2005 Buick Lacrosse Electrical Connector Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 592 electrical connector parts for the 2005 Buick Lacrosse, across 143 part types, covering both the 3.6L V6 and the 3.8L V6. Every part shows its brand, manufacturer part number and fitment notes.

On the 2005 Buick Lacrosse, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 57 parts of the 592 listed are Blower Motor Control Module / Resistor Connector (26 parts), Camshaft Position Sensor Connector (16 parts) and Fuel Injector Connector (15 parts). The other 140 part types cover the remaining 535 parts.

A/C Compressor Clutch Coil Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT209
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT209
Gray2-Way Femalewith Leads
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ROSTRA Popular Fits: 3.8L V6 610062
🇺🇸 US
with Oval Connectorwith 2 Terminal(s)
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ACDELCO Fits: 3.8L V6 PT2311
🇺🇸 US 🇨🇦 CA
GoldColor: Gray
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FOUR SEASONS Fits: 3.8L V6 70048
🇺🇸 US
2 Terminal Malewithout Diode
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4490
🇺🇸 US
HandypackTerminal Type: Blade
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S588
🇺🇸 US
Attachment Method: Push OnConnector Shape: Oval
Fitment notes — STANDARD MOTOR PRODUCTS S588
Attachment Method: Push OnConnector Shape: OvalTerminal Type: Blade
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON97
🇺🇸 US
Terminal Type: Blade
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WELLS Fits: 3.8L V6 1P1239
🇺🇸 US
Wiring Harness Length: 8.25 In
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This table covers the harness connectors at the A/C Compressor Clutch Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

A/C Refrigerant Pressure Switch Connector

Brand Part Number Markets Notes Buy
ROSTRA Popular Fits: 3.8L V6 610021
🇺🇸 US
with 3 Terminal(s)with 1 Male Connectors
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP4440
🇺🇸 US
Handypack
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ACDELCO Fits: 3.8L V6 PT2319
🇺🇸 US 🇨🇦 CA
GoldTerminal Gender: Female
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FOUR SEASONS Fits: 3.8L V6 37236
🇺🇸 US
3 Terminal Male
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GM GENUINE Fits: 3.8L V6 PT3829
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3829
Black
Black3-Way Femalewith Leads0.75MM
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ROSTRA Fits: 3.8L V6 610225
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S619
🇺🇸 US
Connector Shape: RoundTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS S619
Connector Shape: RoundTerminal Type: BladeWeather Resistant: YESWire Gauge (GA): 18
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON110
🇺🇸 US
with Round Connector
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WELLS Fits: 3.8L V6 1P1065
🇺🇸 US
Terminal Gender: Female
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This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

ABS Control Module Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 15776487
🇺🇸 US 🇨🇦 CA
Rear, Includes Speed Sensor Connectors
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This table covers the harness connectors at the ABS Control Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

ABS Modulator Relay Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1205
🇺🇸 US 🇨🇦 CA
GrayExc. Lamp Group(TR9)
Fitment notes — GM GENUINE PT1205
GrayExc. Lamp Group(TR9)5-Way Femalewith Leads
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This table covers the harness connectors at the ABS Modulator Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

ABS Wheel Speed Sensor Connector

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.8L V6 SK970040
🇺🇸 US
Fits Front Right
Fitment notes — SKP SK970040
Fits:
Front Right
or:
Front Left
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SKP Fits: 3.8L V6 SKS811
🇺🇸 US
Fits Position-Outeror Not Adjustable1 Chain Row
Fitment notes — SKP SKS811
Fits:
Position-Outeror Not Adjustable1 Chain Row24 Teeth
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Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 12167117
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE 12167117
Gray2-Way Femalewith Leadswith Terminal Position Assurance2 Locking Features
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Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.8L V6 970040
🇺🇸 US
ABS Harness
Fitment notes — DORMAN 970040
ABS Harness
Fits:
Front Right
or:
Front Left
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HOLSTEIN Popular Fits: 3.8L V6 2ABS0485
🇺🇸 US
Front
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ACDELCO Fits: 3.8L V6 PT2309
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO PT2309
Gold
Front
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ACDELCO Fits: 3.8L V6 PT1373
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO PT1373
GM Original Equipment
GRAY4-WAY MALEwith Leads
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FAMOUS BRAND Fits: 3.8L V6 NBC1001
🇺🇸 US 🇨🇦 CA
Front LeftABS Connector
Fitment notes — FAMOUS BRAND NBC1001
Front LeftABS ConnectorSensor Wire Harness
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GM GENUINE Fits: 3.8L V6 10340318
🇺🇸 US 🇨🇦 CA
Front Right
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4750
🇺🇸 US
HandypackConnector Shape: Oval
Fitment notes — STANDARD MOTOR PRODUCTS HP4750
HandypackConnector Shape: OvalHarness Lengthinches: 12Front
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S578
🇺🇸 US
Connector Shape: OvalGauge: 18
Fitment notes — STANDARD MOTOR PRODUCTS S578
Connector Shape: OvalGauge: 18Harness Lengthinches: 12Terminal Gender: FemaleFront
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 ALH73
🇺🇸 US
Rear
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WELLS Fits: 3.8L V6 1P2244
🇺🇸 US
Front Left
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WELLS Fits: 3.8L V6 1P1570
🇺🇸 US
Rear
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This table covers the harness connectors at each ABS wheel-speed sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Accelerator Pedal Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1479
🇺🇸 US
Connector Shape: OvalLength (In): 1.125
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON23
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1599
🇺🇸 US
with 6 Terminals
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This table covers the harness connectors at the Accelerator Pedal Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Accessory Delay Relay Connector

Brand Part Number Markets Notes Buy
UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON164
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON164
Terminal Gender: FemaleTerminal Quantity: 5Terminal Type: Blade
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ACDELCO Fits: 3.8L V6 PT2371
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4655
🇺🇸 US
HandypackConnector Shape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S803
🇺🇸 US
Connector Shape: SquareWire Gauge (GA): 12, 14
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WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
Fitment notes — WELLS 1P1184
Wiring Harness Length: 7.0 In
with 5 Terminals
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This table covers the harness connectors at the Accessory Delay Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Accessory Power Outlet Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3865
🇺🇸 US 🇨🇦 CA
Gray4.0MM2
Fitment notes — GM GENUINE PT3865
Gray4.0MM23-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610518
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1919
🇺🇸 US
with 3 TerminalsGray
Fitment notes — WELLS 1P1919
with 3 TerminalsGraywith Female Connector
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This table covers the harness connectors at the Accessory Power Outlet. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

AIR / Smog Pump Check Valve Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P4038
🇺🇸 US
with 6 Terminal(s)Shutoff Valve
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This table covers the harness connectors at the AIR / Smog Pump Check Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

AIR / Smog Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1273
🇺🇸 US
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This table covers the harness connectors at the AIR / Smog Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

AIR / Smog Pump Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S947
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1609
🇺🇸 US
with 4 Terminals
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This table covers the relays that control the AIR / Smog Pump circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Air Bag Clockspring Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1295
🇺🇸 US
Gender: FemaleWiring Harness Length (In): 18
Fitment notes — STANDARD MOTOR PRODUCTS S1295
Gender: FemaleWiring Harness Length (In): 18
Yellowwith 4 Male Terminals
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WELLS Fits: 3.8L V6 1P1603
🇺🇸 US
with 4 Terminals
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This table covers the harness connectors at the Air Bag Clockspring. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Air Bag Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT1500
🇺🇸 US 🇨🇦 CA
Arming Sensor ConnectorYellow
Fitment notes — GM GENUINE PT1500
Arming Sensor ConnectorYellowwith Gray TipTop Right Guide, Bottom Left Guide2-Way Femalewith Leads
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GM GENUINE Popular Fits: 3.8L V6 PT2038
🇺🇸 US 🇨🇦 CA
Yellow4-Way Male
Fitment notes — GM GENUINE PT2038
Yellow4-Way MaleMetri-Pack 280with Leads
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GM GENUINE Fits: 3.8L V6 PT1745
🇺🇸 US 🇨🇦 CA
Yellow2-Way Male
Fitment notes — GM GENUINE PT1745
Yellow2-Way Malewith LeadsMating Connector with Leads Use 12126498
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1259
🇺🇸 US
Weather Resistant: YES
Fitment notes — STANDARD MOTOR PRODUCTS S1259
Weather Resistant: YES
Yellow with Purple Tipwith 2 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1261
🇺🇸 US
Yellow and Graywith Lock Tab At Top, Index Guides At Top Right and Bottom Left
Fitment notes — STANDARD MOTOR PRODUCTS S1261
Yellow and Graywith Lock Tab At Top, Index Guides At Top Right and Bottom Leftwith 2 Female Terminals
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WELLS Fits: 3.8L V6 1P2610
🇺🇸 US
Arming Sensor Connector2 Terminal, Yellow with Gray Tip, Female Connector
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This table covers the harness connectors at the Air Bag. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Air Bag Module Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P2015
🇺🇸 US
Fits Reserve Power Module Connectoror with 8 Terminals
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This table covers the harness connectors at the Air Bag Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Air Injection Relay Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT1384
🇺🇸 US 🇨🇦 CA
Gray4-Way Female
Fitment notes — GM GENUINE PT1384
Gray4-Way Femalewith Leads
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ACDELCO Fits: 3.8L V6 PT1642
🇺🇸 US
GM Original Equipment
Fitment notes — ACDELCO PT1642
GM Original Equipment
2-WAY FEMALE BLACK
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GM GENUINE Fits: 3.8L V6 PT3831
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3831
Black
Black4mm2-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610655
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1609
🇺🇸 US
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This table covers the harness connectors at the Air Injection Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Air Injection Solenoid Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2265
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2265
Black
BLACK6-WAY FEMALEwith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1266
🇺🇸 US
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This table covers the harness connectors at the Air Injection Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Air Intake / Charge Temperature Sensor Connector

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.8L V6 SKS556
🇺🇸 US
Fits Grayor 2 Terminal Female
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WELLS Popular Fits: 3.8L V6 1P1016
🇺🇸 US
Connector Shape: Rectangular
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ACDELCO Fits: 3.8L V6 PT2301
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO PT2301
Gold
Intake Air
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GM GENUINE Fits: 3.8L V6 PT307
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT307
Gray2-Way Femalewith Leads
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HOLSTEIN Fits: 3.8L V6 2HAR0050
🇺🇸 US
Located On Intake Air
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ROSTRA Fits: 3.8L V6 610194
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4420
🇺🇸 US
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP4420
Handypack
Intake Air
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S556
🇺🇸 US
Intake Air
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON81
🇺🇸 US
Connector Shape: SquareTerminal Quantity: 2
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This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Alternator / Generator Connector

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.8L V6 645906
🇺🇸 US
Black
Fitment notes — DORMAN 645906
Black
4 WireOval
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UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON22
🇺🇸 US
Connector Shape: Oval
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ACDELCO Fits: 3.8L V6 84941154
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — ACDELCO 84941154
Black
Rectangle2-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT2971
🇺🇸 US 🇨🇦 CA
Gender: MaleTerminal Type: Blade
Fitment notes — GM GENUINE PT2971
Gender: MaleTerminal Type: BladeBlack
Rectangle2-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610177
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1437
🇺🇸 US
Terminal Type: BladeWiring Harness Length (mm): 438.15
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WELLS Fits: 3.8L V6 1P2043
🇺🇸 US
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This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ambient Air Temperature Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2830
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2830
Black
BlackAccepts 1.5mm Terms2-Way FemaleMetri-Pack 150 Serieswith Leads
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GM GENUINE Popular Fits: 3.8L V6 PT248
🇺🇸 US 🇨🇦 CA
Green2-Way Female
Fitment notes — GM GENUINE PT248
Green2-Way Femalewith Leads
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ACDELCO Fits: 3.8L V6 PT2321
🇺🇸 US 🇨🇦 CA
Gold
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ROSTRA Fits: 3.8L V6 610285
🇺🇸 US
Interior Air Temperature
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S634
🇺🇸 US
Connector Shape: OvalTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS S634
Connector Shape: OvalTerminal Type: BladeWiring Harness Length (mm): 266.7black
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WELLS Fits: 3.8L V6 1P1364
🇺🇸 US
Internal Mounted
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WELLS Fits: 3.8L V6 1P1018
🇺🇸 US
Externally Mounted
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This table covers the harness connectors at the Ambient Air Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Antenna Module Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2645
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2645
Black
Black1-Way Femalewith Leads
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This table covers the harness connectors at the Antenna Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Anti-Theft Control Module Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT240
🇺🇸 US 🇨🇦 CA
Red2-Way Female
Fitment notes — GM GENUINE PT240
Red2-Way Femalewith LeadsLamp Connector
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This table covers the harness connectors at the Anti-Theft Control Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Anti-Theft Disable Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2726
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2726
Black
with Leads, Square2-Way Malewith LeadsSquare
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This table covers the harness connectors at the Anti-Theft Disable Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Automatic Headlamp Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT146
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT146
Black
Black2-Way Femalewith LeadsSquare
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WELLS Fits: 3.8L V6 1P1663
🇺🇸 US
Gender: Male
Fitment notes — WELLS 1P1663
Gender: Male
4 Terminal, Also Used as Automatic Headlight Sensor Connector
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This table covers the harness connectors at the Automatic Headlamp Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Back Up / Reverse Lamp Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S767
🇺🇸 US
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON158
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1482
🇺🇸 US
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This table covers the harness connectors at the Back Up / Reverse Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Back Up / Reverse Lamp Relay Connector

Brand Part Number Markets Notes Buy
UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON164
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON164
Terminal Gender: FemaleTerminal Quantity: 5Terminal Type: Blade
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ACDELCO Fits: 3.8L V6 PT2371
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4655
🇺🇸 US
HandypackConnector Shape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S803
🇺🇸 US
Connector Shape: SquareWire Gauge (GA): 12, 14
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WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
Fitment notes — WELLS 1P1184
Wiring Harness Length: 7.0 In
with 5 Terminals
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This table covers the harness connectors at the Back Up / Reverse Lamp Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Back Up / Reverse Lamp Switch Connector

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: 3.8L V6 PTA1173
🇺🇸 US 🇨🇦 CA
Backup Light Switch Connector
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This table covers the harness connectors at the Back Up / Reverse Lamp Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Barometric Pressure Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3043
🇺🇸 US 🇨🇦 CA
Black with Blue Lock3-Way Female
Fitment notes — GM GENUINE PT3043
Black with Blue Lock3-Way Femalewith Leads
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This table covers the harness connectors at the Barometric Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Battery Current Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3855
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3855
Black
3-Way Femalewith Leads1.5MM2
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ROSTRA Fits: 3.8L V6 610106
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1025
🇺🇸 US
Connector Shape: Oval
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WELLS Fits: 3.8L V6 1P2388
🇺🇸 US
Mounting Hardware Included: No
Fitment notes — WELLS 1P2388
Mounting Hardware Included: No
with 3 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Battery Current Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular Fits: 3.8L V6 70056
🇺🇸 US
2 Terminal MaleRectangular Connector
Fitment notes — FOUR SEASONS 70056
2 Terminal MaleRectangular Connectorto Blower Motor
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UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON29
🇺🇸 US
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GM GENUINE Fits: 3.8L V6 PT1431
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1431
Black
BLACK2-WAY MALEwith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP3865
🇺🇸 US
Handypack
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1591
🇺🇸 US
Gender: MaleLength (In): 1.25
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WELLS Fits: 3.8L V6 1P2281
🇺🇸 US
with 2 TerminalsBlack
Fitment notes — WELLS 1P2281
with 2 TerminalsBlackwith Male Connector
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This table covers the harness connectors at the Blower Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Control Module / Resistor Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular Fits: 3.8L V6 70050
🇺🇸 US
7 Terminal MaleHigh Temperature
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GM GENUINE Popular Fits: 3.8L V6 PT1231
🇺🇸 US 🇨🇦 CA
MP 280Gray
Fitment notes — GM GENUINE PT1231
MP 280GrayAir Conditioning Front Automatic/Auxiliary Control(CJ2)4-Way Femalewith LeadsFlat
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GM GENUINE Popular Fits: 3.8L V6 PT2195
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2195
Black
7-Way Femalewith Leads
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GPD Popular Fits: 3.8L V6 1712774
🇺🇸 US
Blower Motor Resistor Pigtail
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SKP Popular Fits: 3.8L V6 SKS1352
🇺🇸 US
Fits Grayor 4 Terminal Female
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WELLS Popular Fits: 3.8L V6 1P1644
🇺🇸 US
with 5 Terminals
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ACDELCO Fits: 3.8L V6 PT2485
🇺🇸 US 🇨🇦 CA
GoldShape: Rectangle
Fitment notes — ACDELCO PT2485
GoldShape: Rectangle
Black7 Terminal Female
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DORMAN Fits: 3.8L V6 645512
🇺🇸 US
Black, 5 Way Female with Leads
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DORMAN Fits: 3.8L V6 645702
🇺🇸 US
Female
Fitment notes — DORMAN 645702
Female
7 Way Female Connector with LeadsExcept Electronic Control
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DORMAN Fits: 3.8L V6 973300
🇺🇸 US
Harness
Fitment notes — DORMAN 973300
Harness
7 Way Female Connector with LeadsExcept Electronic Control
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FAMOUS BRAND Fits: 3.8L V6 PTA1039
🇺🇸 US 🇨🇦 CA
Blower Resistor Connectorwith 5 Terminal(s)
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FOUR SEASONS Fits: 3.8L V6 37242
🇺🇸 US
7 Terminal MaleStandard Temperature
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FOUR SEASONS Fits: 3.8L V6 37266
🇺🇸 US
5 Terminal Male
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FOUR SEASONS Fits: 3.8L V6 70056
🇺🇸 US
2 Terminal Male
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HOLSTEIN Fits: 3.8L V6 2HAR0047
🇺🇸 US
with Automatic Temperature ControlMultiple Connectors Required
Fitment notes — HOLSTEIN 2HAR0047
with Automatic Temperature ControlMultiple Connectors Required5 Terminals
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HOLSTEIN Fits: 3.8L V6 2HAR0044
🇺🇸 US
with Automatic Temperature ControlMultiple Connectors Required
Fitment notes — HOLSTEIN 2HAR0044
with Automatic Temperature ControlMultiple Connectors Required5 Terminals
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ROSTRA Fits: 3.8L V6 610026
🇺🇸 US
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SKP Fits: 3.8L V6 SKS1619
🇺🇸 US
with Automatic Temp Control
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP3865
🇺🇸 US
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP3865
Handypack
with Automatic Temperature Controlwith 2 Terminal(s)
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S916HT
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S916HT
Black
Front and Rearwith High Temperature
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4652
🇺🇸 US
Handy PackBlack
Fitment notes — STANDARD MOTOR PRODUCTS HP4652
Handy PackBlack
with Automatic Temperature Controlwith 5 Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1619
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1619
Black
with Automatic Temperature Controlwith 5 Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1591
🇺🇸 US
Gender: MaleLength (In): 1.25
Fitment notes — STANDARD MOTOR PRODUCTS S1591
Gender: MaleLength (In): 1.25
with Automatic Temperature Controlwith 2 Terminal(s)
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1619HT
🇺🇸 US
Blue Streak
Fitment notes — STANDARD MOTOR PRODUCTS S1619HT
Blue Streak
Front and Rearwith Automatic Temperature Controlwith 5 Blade Terminalswith High Temperature
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON31
🇺🇸 US
with Multiple Connectors Requiredwith 5 Terminals
Fitment notes — UNITED MOTOR PRODUCTS CON31
with Multiple Connectors Requiredwith 5 Terminalswith Automatic Temperature Control You Can Set a specific numeric temperature
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON29
🇺🇸 US
with Multiple Connectors Requiredwith 2 Terminals
Fitment notes — UNITED MOTOR PRODUCTS CON29
with Multiple Connectors Requiredwith 2 Terminalswith Automatic Temperature Control You Can Set a specific numeric temperature
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This table covers the connectors at the blower resistor or control module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Body Control Module (BCM) Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT150
🇺🇸 US 🇨🇦 CA
Natural10-Way Female
Fitment notes — GM GENUINE PT150
Natural10-Way FemaleMetri-Pack 150with Leads
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GM GENUINE Fits: 3.8L V6 PT224
🇺🇸 US 🇨🇦 CA
Blue10-Way Female
Fitment notes — GM GENUINE PT224
Blue10-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610823
🇺🇸 US
with 16 Terminal(s)with 1 Female Connectors
Fitment notes — ROSTRA 610823
with 16 Terminal(s)with 1 Female ConnectorsPurple
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1065
🇺🇸 US
Connector Shape: RectangleNumber of Splice Connectors Included: 10
Fitment notes — STANDARD MOTOR PRODUCTS S1065
Connector Shape: RectangleNumber of Splice Connectors Included: 10Weather Resistant: NoWire Gauge (GA): 18
BCMwhitewith 10 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1651
🇺🇸 US
Wire Gauge (GA): 16, 18
Fitment notes — STANDARD MOTOR PRODUCTS S1651
Wire Gauge (GA): 16, 18
BCMBluewith 9 Female Terminals
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This table covers the harness connectors at the Body Control Module (BCM). Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Body Wiring Harness / Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2623
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2623
Black
Black2-Way Malewith LeadsOval
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GM GENUINE Popular Fits: 3.8L V6 PT1346
🇺🇸 US 🇨🇦 CA
BlackConnector
Fitment notes — GM GENUINE PT1346
BlackConnector
For Quarter and Courtesy Reading Lamp, Metri-Pack 2808-Way Femalewith Leads7-12GA and 4-18GA as Required
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GM GENUINE Popular Fits: 3.8L V6 PT2869
🇺🇸 US 🇨🇦 CA
Length: 2.3 InBlack
Fitment notes — GM GENUINE PT2869
Length: 2.3 InBlack
BLACK8-WAY MALEwith Leads
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DORMAN Fits: 3.8L V6 645622
🇺🇸 US
Yellow
Fitment notes — DORMAN 645622
Yellow
4 Way Female with Leads
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GM GENUINE Fits: 3.8L V6 PT1344
🇺🇸 US 🇨🇦 CA
Yellow4-Way Female
Fitment notes — GM GENUINE PT1344
Yellow4-Way Femalewith LeadsMetri-Pack 280
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GM GENUINE Fits: 3.8L V6 PT1025
🇺🇸 US 🇨🇦 CA
Metri-Pack 150Gray
Fitment notes — GM GENUINE PT1025
Metri-Pack 150Gray4-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT3907
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3907
Black
Square6-Way Malewith LeadsMetri-Pack 280
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1406
🇺🇸 US
with Offset Index SlotsYellow
Fitment notes — STANDARD MOTOR PRODUCTS S1406
with Offset Index SlotsYellowwith 4 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1202
🇺🇸 US
Whitewith 4 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1200
🇺🇸 US
Attachment Method: Push OnGender: Female
Fitment notes — STANDARD MOTOR PRODUCTS S1200
Attachment Method: Push OnGender: Female
with 1 Locking TabColor Code Black and Bluewith 6 Male Terminals
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WELLS Fits: 3.8L V6 1P1841
🇺🇸 US
with 2 TerminalsMale End
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WELLS Fits: 3.8L V6 1P1898
🇺🇸 US
with 4 TerminalsGray
Fitment notes — WELLS 1P1898
with 4 TerminalsGraywith Female Connector
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This table covers the body-harness connectors and pigtails. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Brake Fluid Level Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1798
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT1798
Gray2-Way FemaleGT150 Sealedwith Leads
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WELLS Fits: 3.8L V6 1P1006
🇺🇸 US
Connector Shape: OblongWiring Harness Length: 9.5 In
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This table covers the harness connectors at the Brake Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Brake Light Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT1411
🇺🇸 US 🇨🇦 CA
Blue4-Way Female
Fitment notes — GM GENUINE PT1411
Blue4-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610391
🇺🇸 US
with 2 Terminal(s)
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ROSTRA Fits: 3.8L V6 610519
🇺🇸 US
with 4 Terminal(s)with 1 Male Connectors
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1041
🇺🇸 US
Length (In): 0.875Wire Gauge (GA): 12, 16
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WELLS Fits: 3.8L V6 1P1678
🇺🇸 US
with 4 Terminals
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This table covers the harness connectors at the Brake Light Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Brake Pedal Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S2374
🇺🇸 US
with 3 Blade TerminalsPedal Position Sensor Connector
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This table covers the harness connectors at the Brake Pedal. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Brake Pedal Position Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3837
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3837
Black
3-Way Femalewith LeadsGT1501.5MM2
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This table covers the harness connectors at the Brake Pedal Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Brake Pressure Warning Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2692
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2692
Black
BLACK3-WAY FEMALEwith Leads
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WELLS Fits: 3.8L V6 1P2032
🇺🇸 US
For Pressure Differential Switch
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This table covers the harness connectors at the Brake Pressure Warning Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Brake Proportioning / Differential Valve Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S2309
🇺🇸 US
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WELLS Fits: 3.8L V6 1P2032
🇺🇸 US
with 3 Terminals
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This table covers the harness connectors at the Brake Proportioning / Differential Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Cabin Air Temperature Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT146
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT146
Black
Black2-Way Femalewith LeadsSquareDuct Air Temp Sensor Connector
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S717
🇺🇸 US
Attachment Method: Push OnIncludes Interior Lamp Switch
Fitment notes — STANDARD MOTOR PRODUCTS S717
Attachment Method: Push OnIncludes Interior Lamp SwitchConnector Shape: SquareGender: MaleWire Gauge (GA): 18Black
with 2 Terminal(s)
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1667
🇺🇸 US
with 6 Pin Terminals
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This table covers the harness connectors at the Cabin Air Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Camshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.8L V6 645785
🇺🇸 US
3 Way Female Connector, Black
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GM GENUINE Popular Fits: 3.8L V6 PT1369
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1369
Black
with LeadsHas Index Notch Between Cavities A and B3-Way Female
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SKP Popular Fits: 3.8L V6 SKS577
🇺🇸 US
with 3 Female Terminals
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WELLS Popular Fits: 3.8L V6 1P1893
🇺🇸 US
with 2 TerminalsBlack
Fitment notes — WELLS 1P1893
with 2 TerminalsBlackwith Female Connector
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ACDELCO Fits: 3.8L V6 PT2308
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO PT2308
Gold
with 3 Female Terminals
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GM GENUINE Fits: 3.8L V6 84937218
🇺🇸 US 🇨🇦 CA
BlackLength: 7.5 In
Fitment notes — GM GENUINE 84937218
BlackLength: 7.5 InWidth: 6.5 In
3-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT2046
🇺🇸 US 🇨🇦 CA
Terminal Type: Blade PinBlack
Fitment notes — GM GENUINE PT2046
Terminal Type: Blade PinBlack
2-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610135
🇺🇸 US
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ROSTRA Fits: 3.8L V6 610158
🇺🇸 US
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SKP Fits: 3.8L V6 SKS1716
🇺🇸 US
Fits Black and Greenor 2 Terminal Female
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4335
🇺🇸 US
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP4335
Handypack
with 3 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S577
🇺🇸 US
Wire Gauge (GA): 16
Fitment notes — STANDARD MOTOR PRODUCTS S577
Wire Gauge (GA): 16
with 3 Female Terminals
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ULTRA-POWER Fits: 3.8L V6 2701039
🇺🇸 US 🇨🇦 CA
Includes O-Ring
Fitment notes — ULTRA-POWER 2701039
Includes O-Ring
Cam Position Sensor Connector
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON91
🇺🇸 US
with 3 Female Terminals
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WALKER PRODUCTS Fits: 3.8L V6 2701039
🇺🇸 US
Includes O-Ring
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WELLS Fits: 3.8L V6 1P1020
🇺🇸 US
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This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Chassis Wiring Harness / Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P2561
🇺🇸 US
with 4 TerminalsBlack
Fitment notes — WELLS 1P2561
with 4 TerminalsBlackwith Female Connector
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This table covers the wiring-harness connectors at the Chassis. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Cigarette Lighter Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3865
🇺🇸 US 🇨🇦 CA
Gray4.0MM2
Fitment notes — GM GENUINE PT3865
Gray4.0MM23-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610518
🇺🇸 US
with 3 Terminal(s)with 1 Female Connectors
Fitment notes — ROSTRA 610518
with 3 Terminal(s)with 1 Female ConnectorsGray
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1167
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1919
🇺🇸 US
with 3 TerminalsGray
Fitment notes — WELLS 1P1919
with 3 TerminalsGraywith Female Connector
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This table covers the harness connectors at the Cigarette Lighter. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Climate Control Sun Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P1663
🇺🇸 US
Gender: Male
Fitment notes — WELLS 1P1663
Gender: Male
with 4 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Climate Control Sun Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Communication Interface Module (VCIM) Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1502
🇺🇸 US 🇨🇦 CA
Natural12-Way Female
Fitment notes — GM GENUINE PT1502
Natural12-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT1404
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1404
Black
Black16-Way Femalewith Leads
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WELLS Fits: 3.8L V6 1P2084
🇺🇸 US
with 12 TerminalsWhite
Fitment notes — WELLS 1P2084
with 12 TerminalsWhiteFemale End
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WELLS Fits: 3.8L V6 1P2613
🇺🇸 US
with 16 TerminalsNatural or White
Fitment notes — WELLS 1P2613
with 16 TerminalsNatural or WhiteFemale End
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This table covers the harness connectors at the Communication Interface Module (VCIM). Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Crankshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT420
🇺🇸 US 🇨🇦 CA
BlackLength: 11.4 In
Fitment notes — GM GENUINE PT420
BlackLength: 11.4 InShape: OvalTerminal Type: Pin
Oval, Unshrouded, Side Tabs3-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP4485
🇺🇸 US
HandypackWiring Harness Length (mm): 304.8
Fitment notes — STANDARD MOTOR PRODUCTS HP4485
HandypackWiring Harness Length (mm): 304.8
Graywith 4 Female Terminals
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ACDELCO Fits: 3.8L V6 PT2368
🇺🇸 US 🇨🇦 CA
GoldShape: Rectangle
Fitment notes — ACDELCO PT2368
GoldShape: Rectangle
with 4 Female TerminalsGray
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GM GENUINE Fits: 3.8L V6 PT1174
🇺🇸 US 🇨🇦 CA
Gray4-Way Female
Fitment notes — GM GENUINE PT1174
Gray4-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT2183
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2183
Black
Black2-Way Femalewith Leads2.8 Series
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ROSTRA Fits: 3.8L V6 610125
🇺🇸 US
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SKP Fits: 3.8L V6 SKS1024
🇺🇸 US
Fits Black and Orang
Fitment notes — SKP SKS1024
Fits:
Black and Orang
or:
2 Terminal Female
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S761
🇺🇸 US
Wiring Harness Length (mm): 304.8
Fitment notes — STANDARD MOTOR PRODUCTS S761
Wiring Harness Length (mm): 304.8
Graywith 4 Female Terminals
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WALKER PRODUCTS Fits: 3.8L V6 2701040
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1264
🇺🇸 US
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This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Cruise Control Module Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1147
🇺🇸 US
Connector Shape: RectangleWire Gauge (GA): 16, 20
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This table covers the harness connectors at the Cruise Control Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Deck Lid / Liftgate Ajar Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S972
🇺🇸 US
Connector Shape: Rectangleblack
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WELLS Fits: 3.8L V6 1P1594
🇺🇸 US
with 3 Terminals
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This table covers the harness connectors at the Deck Lid / Liftgate Ajar Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Defroster Relay Connector

Brand Part Number Markets Notes Buy
ACDELCO Fits: 3.8L V6 PT2371
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4655
🇺🇸 US
HandypackConnector Shape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S803
🇺🇸 US
Connector Shape: SquareWire Gauge (GA): 12, 14
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON164
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON164
Terminal Gender: FemaleTerminal Quantity: 5Terminal Type: Blade
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This table covers the harness connectors at the Defroster Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Door Jamb Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2902
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2902
Black
Black4-Way Femalewith Leads
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This table covers the harness connectors at the Door Jamb Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Door Lock Actuator Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 88952463
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 88952463
Black
10-Way Femalewithout Leads
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ROSTRA Popular Fits: 3.8L V6 610065
🇺🇸 US
with 4 Terminal(s)
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GM GENUINE Fits: 3.8L V6 PT1571
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1571
Black
6-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610658
🇺🇸 US
with 2 Terminal(s)
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WELLS Fits: 3.8L V6 1P3911
🇺🇸 US
with 10 Terminals
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WELLS Fits: 3.8L V6 1P1026
🇺🇸 US
Terminal Type: BladeWiring Harness Length: 9.25 In
Fitment notes — WELLS 1P1026
Terminal Type: BladeWiring Harness Length: 9.25 In
with 4 Terminals
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WELLS Fits: 3.8L V6 1P1146
🇺🇸 US
with 2 Terminals
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WELLS Fits: 3.8L V6 1P3394
🇺🇸 US
Terminal Quantity: 6
Fitment notes — WELLS 1P3394
Terminal Quantity: 6
with 6 Terminals
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This table covers the harness connectors at the Door Lock Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Door Lock Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT796
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT796
Black
5-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1618
🇺🇸 US
Connector Shape: RectangleWire Gauge (GA): 20
Fitment notes — STANDARD MOTOR PRODUCTS S1618
Connector Shape: RectangleWire Gauge (GA): 20Black
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WELLS Fits: 3.8L V6 1P2190
🇺🇸 US
Fits Leftwith 5 Terminals
Fitment notes — WELLS 1P2190
Fits:
Leftwith 5 TerminalsBlackwith Female Connector90 Degree End
or:
Rightwith 5 TerminalsBlackwith Female Connector90 Degree End
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This table covers the harness connectors at the Door Lock Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

EGR Valve Connector

Brand Part Number Markets Notes Buy
UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON9
🇺🇸 US
Color: BlackTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON9
Color: BlackTerminal Quantity: 5Terminal Type: Blade
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GM GENUINE Fits: 3.8L V6 PT1154
🇺🇸 US 🇨🇦 CA
LT Gray5-Way Female
Fitment notes — GM GENUINE PT1154
LT Gray5-Way Femalewith Leadswith Cover
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ROSTRA Fits: 3.8L V6 610284
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1054
🇺🇸 US
Terminal Type: Blade
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WELLS Fits: 3.8L V6 1P1590
🇺🇸 US
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This table covers the harness connectors at the EGR Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Engine Wiring Harness / Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT3910
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT3910
Gray2-Way Femalewith Leads
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WELLS Popular Fits: 3.8L V6 1P1044
🇺🇸 US
Connector Shape: OblongTerminal Quantity: 2
Fitment notes — WELLS 1P1044
Connector Shape: OblongTerminal Quantity: 2Wiring Harness Length: 9.0 In
with 2 Terminals
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GM GENUINE Fits: 3.8L V6 19181245
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 19181245
Black
BLACK16-WAY MALEwithout LEADS2IN WIDE
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GM GENUINE Fits: 3.8L V6 PT1320
🇺🇸 US 🇨🇦 CA
Gray4-Way Male
Fitment notes — GM GENUINE PT1320
Gray4-Way Malewith LeadsMetri-Pack 280
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GM GENUINE Fits: 3.8L V6 PT996
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT996
Black
Black4-Way Malewith Leads
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GM GENUINE Fits: 3.8L V6 PT1116
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1116
Black
Black2-Way Femalewith LeadsMetri-Pack 480
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1340
🇺🇸 US
Gauge: 10 GAWiring Harness Length (mm): 457.2
Fitment notes — STANDARD MOTOR PRODUCTS S1340
Gauge: 10 GAWiring Harness Length (mm): 457.2
Graywith 4 Male Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1337
🇺🇸 US
Connector Shape: Oval
Fitment notes — STANDARD MOTOR PRODUCTS S1337
Connector Shape: Oval
Color Code Black and Redwith 2 Female Terminals
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WELLS Fits: 3.8L V6 1P2060
🇺🇸 US
with 16 TerminalsBlack
Fitment notes — WELLS 1P2060
with 16 TerminalsBlackFemale End
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This table covers the wiring-harness connectors at the Engine. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Fog / Driving Lamp Connector

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.8L V6 SKS553
🇺🇸 US
Fits Black and Blu
Fitment notes — SKP SKS553
Fits:
Black and Blu
or:
2 Terminal Female
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP3835
🇺🇸 US
HandypackConnector Shape: Oval
Fitment notes — STANDARD MOTOR PRODUCTS HP3835
HandypackConnector Shape: OvalWiring Harness Length (mm): 311.15
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 S553
🇺🇸 US
Connector Shape: OvalContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S553
Connector Shape: OvalContact Terminal Material: MetalNumber of Splice Connectors Included: 0Wiring Harness Length (In): 12.25Wiring Harness Length (mm): 311.15
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ACDELCO Fits: 3.8L V6 PT2298
🇺🇸 US 🇨🇦 CA
GoldHeight (In): 1.5 in
Fitment notes — ACDELCO PT2298
GoldHeight (In): 1.5 inShape: Rectangle
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DORMAN Fits: 3.8L V6 85855
🇺🇸 US
2-WireFog Lamp Socket Bulbs 881 & 889
Fitment notes — DORMAN 85855
2-WireFog Lamp Socket Bulbs 881 & 889
2 Way Female with LeadsBlack Oval
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GM GENUINE Fits: 3.8L V6 PT189
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT189
Black
Black12GA Wires2-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT3800
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3800
Black
Black2-Way Femalewith LeadsM/P280Two Release Tabs On The Side2.5MM2
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ROSTRA Fits: 3.8L V6 610003
🇺🇸 US
with Side Mount Bulb
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ROSTRA Fits: 3.8L V6 610001
🇺🇸 US
with Top Mount Bulb
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON78
🇺🇸 US
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WELLS Fits: 3.8L V6 1P2076
🇺🇸 US
with Top Mount Bulb
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WELLS Fits: 3.8L V6 1P1032
🇺🇸 US
with Side Mount Bulb
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This table covers the harness connectors at the Fog / Driving Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Injector Connector

Brand Part Number Markets Notes Buy
GB REMANUFACTURING Popular Fits: 3.8L V6 5191
🇺🇸 US
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP3945
🇺🇸 US
HandypackConnector Shape: Square
Fitment notes — STANDARD MOTOR PRODUCTS HP3945
HandypackConnector Shape: SquareIncludes Wheel Speed Sensor Wiring HarnessBlackIncludes ABS Wheel Speed Sensor Wire Harness
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 S824
🇺🇸 US
Connector Shape: SquareHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S824
Connector Shape: SquareHarness LengthIncludes ABS Wheel Speed Sensor Wire HarnessIncludes Wheel Speed Sensor Wiring Harnessinches: 7Length (In): 1.25Wiring Harness Length (mm): 209.55Black
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ACDELCO Fits: 3.8L V6 PT2160
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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ACDELCO Fits: 3.8L V6 PT1846
🇺🇸 US 🇨🇦 CA
2-WAY FEMALE GRAY
Fitment notes — ACDELCO PT1846
2-WAY FEMALE GRAY
CONNECTOR,INJR-FUEL
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GM GENUINE Fits: 3.8L V6 PT2135
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2135
Black
2-Way Femalewith LeadsMicro 0641In
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GM GENUINE Fits: 3.8L V6 PT382
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT382
Black
Square4-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT3765
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT3765
Gray2-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT1401
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1401
Black
Black16-Way Femalewith Leads4 End Terminals Are 2.8MM Wide and 12 Middle Terminals Are 1.5MM Wide
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HOLSTEIN Fits: 3.8L V6 2HAR0035
🇺🇸 US
Includes ABS Wheel Speed Sensor Wire Harness
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ROSTRA Fits: 3.8L V6 610309
🇺🇸 US
View on
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SKP Fits: 3.8L V6 SKS824
🇺🇸 US
Includes ABS Wheel Speed Sensor Wire Harness
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1243
🇺🇸 US
Connector Shape: RectangleGauge: 18-12 Gauge
Fitment notes — STANDARD MOTOR PRODUCTS S1243
Connector Shape: RectangleGauge: 18-12 GaugeLength (In): 1.125
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON176
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1592
🇺🇸 US
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This table covers the harness connectors at the Fuel Injector. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Pump / Circuit Opening Relay Connector

Brand Part Number Markets Notes Buy
CARTER Fits: 3.8L V6 888700
🇺🇸 US
Fuel Pump Wiring Harness
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GMB Fits: 3.8L V6 5001023
🇺🇸 US
Fuel Pump Wiring Harness
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This table covers the harness connectors at the Fuel Pump / Circuit Opening Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Sending Unit Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1265
🇺🇸 US
Black
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This table covers the harness connectors at the Fuel Sending Unit. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Tank Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1377
🇺🇸 US
Gray
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This table covers the harness connectors at the Fuel Tank. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Tank Pressure Sensor Connector

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.8L V6 SKS656
🇺🇸 US
Fits Black and Purpl
Fitment notes — SKP SKS656
Fits:
Black and Purpl
or:
3 Terminal Female
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP4240
🇺🇸 US
HandypackConnector Shape: Oval
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ACDELCO Fits: 3.8L V6 PT1910
🇺🇸 US 🇨🇦 CA
GoldTerminal Type: Pin
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ROSTRA Fits: 3.8L V6 610018
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S656
🇺🇸 US
Connector Shape: OvalGauge: 18
Fitment notes — STANDARD MOTOR PRODUCTS S656
Connector Shape: OvalGauge: 18Wiring Harness Length (mm): 254
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON124
🇺🇸 US
Terminal Quantity: 3
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WALKER PRODUCTS Fits: 3.8L V6 2701038
🇺🇸 US
Includes O-Ring, Seal
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WELLS Fits: 3.8L V6 1P1209
🇺🇸 US
Gender: MaleWiring Harness Length: 9.5 In
Fitment notes — WELLS 1P1209
Gender: MaleWiring Harness Length: 9.5 In
with 3 Terminals
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This table covers the harness connectors at the Fuel Tank Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuse Connector

Brand Part Number Markets Notes Buy
ROSTRA Fits: 3.8L V6 610863
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1899
🇺🇸 US
with 2 TerminalsGray
Fitment notes — WELLS 1P1899
with 2 TerminalsGrayFemale End
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This table covers the harness connectors at the Fuse. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Glove Box Lamp Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT146
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT146
Black
Black2-Way Femalewith LeadsSquare
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This table covers the harness connectors at the Glove Box Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Headlamp Dimmer Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1399
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1399
Black
with 5 Female TerminalsHeadlamp Dimmer
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1598
🇺🇸 US
Connector Shape: Rectangleblack
Fitment notes — STANDARD MOTOR PRODUCTS S1598
Connector Shape: Rectangleblack
with 8 Female TerminalsHeadlamp Dimmer
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This table covers the harness connectors at the Headlamp Dimmer Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Headlamp Relay Connector

Brand Part Number Markets Notes Buy
UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON164
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON164
Terminal Gender: FemaleTerminal Quantity: 5Terminal Type: Blade
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ACDELCO Fits: 3.8L V6 PT2371
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4655
🇺🇸 US
HandypackConnector Shape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S803
🇺🇸 US
Connector Shape: SquareWire Gauge (GA): 12, 14
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WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
Fitment notes — WELLS 1P1184
Wiring Harness Length: 7.0 In
with 5 Terminals
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This table covers the harness connectors at the Headlamp Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Headlamp Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1158
🇺🇸 US
Connector Shape: RectangleWire Gauge (GA): 12
Fitment notes — STANDARD MOTOR PRODUCTS S1158
Connector Shape: RectangleWire Gauge (GA): 12Wiring Harness Length (In): 18.5
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WELLS Fits: 3.8L V6 1P1950
🇺🇸 US
with 2 TerminalsBlack
Fitment notes — WELLS 1P1950
with 2 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Headlamp Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Headlamp Wiring Harness / Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3910
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT3910
Gray2-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 84779454
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 84779454
Black
6-Way Malewith Leads1.5MM2
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This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Headliner Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P2004
🇺🇸 US
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This table covers the harness connectors at the Headliner. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Heater Air Door Actuator Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: 3.8L V6 37283
🇺🇸 US
Fits 2 Terminal MaleBlendor 2 Terminal Male
Fitment notes — FOUR SEASONS 37283
Fits:
2 Terminal MaleBlendor 2 Terminal MaleRecirculation
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S722
🇺🇸 US
Wiring Harness Length (mm): 209.55
Fitment notes — STANDARD MOTOR PRODUCTS S722
Wiring Harness Length (mm): 209.55
Fits:
Recirculationor Blend
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This table covers the harness connectors at the Heater Air Door Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

High Mount Brake Light Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT456
🇺🇸 US 🇨🇦 CA
Blue2-Way Female
Fitment notes — GM GENUINE PT456
Blue2-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1624
🇺🇸 US
Wiring Harness Length (mm): 425.45
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WELLS Fits: 3.8L V6 1P1886
🇺🇸 US
Wiring Harness Length: 16.0 In
Fitment notes — WELLS 1P1886
Wiring Harness Length: 16.0 In
with 2 Terminals
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This table covers the harness connectors at the High Mount Brake Light. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Hood Ajar Indicator Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2629
🇺🇸 US 🇨🇦 CA
OVAL2-WAY FEMALE BLACK
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GM GENUINE Fits: 3.8L V6 87815146
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 87815146
Black
Oval2-Way Femalewith Leads
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This table covers the harness connectors at the Hood Ajar Indicator Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Horn Connector

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 PT1846
🇺🇸 US 🇨🇦 CA
2-WAY FEMALE GRAY
Fitment notes — ACDELCO PT1846
2-WAY FEMALE GRAY
CONNECTOR,HORN SQUARE
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GM GENUINE Fits: 3.8L V6 PT1718
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1718
Black
Square Shaped2-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT3765
🇺🇸 US 🇨🇦 CA
SquareGray
Fitment notes — GM GENUINE PT3765
SquareGray2-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610309
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1592
🇺🇸 US
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This table covers the harness connectors at the Horn. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

HVAC Control Switch / Panel Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT590
🇺🇸 US 🇨🇦 CA
Gray6-Way Female
Fitment notes — GM GENUINE PT590
Gray6-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT1346
🇺🇸 US 🇨🇦 CA
BlackConnector
Fitment notes — GM GENUINE PT1346
BlackConnector
8-Way Femalewith Leads7-12GA and 4-18GA as Required
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1148
🇺🇸 US
Connector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS S1148
Connector Shape: Rectangle
Whitewith 6 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1059
🇺🇸 US
Wire Gauge (GA): 16, 20
Fitment notes — STANDARD MOTOR PRODUCTS S1059
Wire Gauge (GA): 16, 20
Color Code Black and Bluewith 12 Female Terminals
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This table covers the harness connectors at the HVAC Control Switch / Panel. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Hybrid Battery Voltage Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1025
🇺🇸 US
Connector Shape: Oval
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON6
🇺🇸 US
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This table covers the harness connectors at the Hybrid Battery Voltage Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Idle Air Control (IAC) Valve Connector

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 PT2296
🇺🇸 US 🇨🇦 CA
GoldTerminal Quantity: 4
Fitment notes — ACDELCO PT2296
GoldTerminal Quantity: 4Terminal Type: Pressure Contact
Black and Blue4 Terminal Female
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP3895
🇺🇸 US
HandypackLength (In): 1.125
Fitment notes — STANDARD MOTOR PRODUCTS HP3895
HandypackLength (In): 1.125Black
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DORMAN Fits: 3.8L V6 645405
🇺🇸 US
4 Way Female with Leads
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GM GENUINE Fits: 3.8L V6 PT2902
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2902
Black
Black4-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S551
🇺🇸 US
Connector Shape: OvalLength (In): 1.125
Fitment notes — STANDARD MOTOR PRODUCTS S551
Connector Shape: OvalLength (In): 1.125Terminal Type: BladeBlack
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON76
🇺🇸 US
Terminal Quantity: 4
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WELLS Fits: 3.8L V6 1P1026
🇺🇸 US
Terminal Type: BladeWiring Harness Length: 9.25 In
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This table covers the harness connectors at the Idle Air Control (IAC) Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2040
🇺🇸 US 🇨🇦 CA
4-WAY FEMALE BLACK
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This table covers the harness connectors at the Ignition Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ignition Control Module (ICM) Connector

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.8L V6 SKTX3A
🇺🇸 US
Fits Blackor 2 Terminal Female
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GM GENUINE Fits: 3.8L V6 PT787
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT787
Black
6-Way Female with LeadsWire Cavities Can be Plugged with 12065266
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GM GENUINE Fits: 3.8L V6 PT789
🇺🇸 US 🇨🇦 CA
Gray14-Way Female
Fitment notes — GM GENUINE PT789
Gray14-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1026
🇺🇸 US
Gray
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WELLS Fits: 3.8L V6 1P1598
🇺🇸 US
with 14 Terminals
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This table covers the harness connectors at the Ignition Control Module (ICM). Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Inline Connector

Brand Part Number Markets Notes Buy
WELLS Popular Fits: 3.8L V6 1P1886
🇺🇸 US
Wiring Harness Length: 16.0 In
Fitment notes — WELLS 1P1886
Wiring Harness Length: 16.0 In
To high mount stop lights
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WELLS Popular Fits: 3.8L V6 1P2070
🇺🇸 US
To Rear Object Sensor Harnesswith 8 Terminals
Fitment notes — WELLS 1P2070
To Rear Object Sensor Harnesswith 8 TerminalsBlackwith Female Connector
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WELLS Fits: 3.8L V6 1P1932
🇺🇸 US
To Power Steeringwith 2 Terminals
Fitment notes — WELLS 1P1932
To Power Steeringwith 2 TerminalsYellowMale End
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WELLS Fits: 3.8L V6 1P1992
🇺🇸 US
To Instrument Panel Harnesswith 2 Terminals
Fitment notes — WELLS 1P1992
To Instrument Panel Harnesswith 2 TerminalsBlackwith Male Connector
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WELLS Fits: 3.8L V6 1P2017
🇺🇸 US
To Body Harnesswith 4 Terminals
Fitment notes — WELLS 1P2017
To Body Harnesswith 4 TerminalsYellowwith Female Connector
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WELLS Fits: 3.8L V6 1P2007
🇺🇸 US
To Engine Harnesswith 4 Terminals
Fitment notes — WELLS 1P2007
To Engine Harnesswith 4 TerminalsGraywith Male Connector
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WELLS Fits: 3.8L V6 1P2613
🇺🇸 US
To Interi
Fitment notes — WELLS 1P2613
To Interi
or:
Rear View Mirrorwith 16 TerminalsNatural or WhiteFemale End
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WELLS Fits: 3.8L V6 1P2060
🇺🇸 US
To Fuel Injector Harnesswith 16 Terminals
Fitment notes — WELLS 1P2060
To Fuel Injector Harnesswith 16 TerminalsBlackFemale End
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WELLS Fits: 3.8L V6 1P2092
🇺🇸 US
To Headliner Harnesswith 16 Terminals
Fitment notes — WELLS 1P2092
To Headliner Harnesswith 16 TerminalsBlackMale EndRectangular Connector
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This table covers the harness connectors at the Inline. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Inside Rear View Mirror Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1404
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1404
Black
16-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1244
🇺🇸 US
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This table covers the harness connectors at the Inside Rear View Mirror. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Instrument Panel Connector

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 PT2834
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO PT2834
GM Original Equipment
Black3-Way Femalewith LeadsJunction Block Connector
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GM GENUINE Popular Fits: 3.8L V6 PT1008
🇺🇸 US 🇨🇦 CA
Gray14-Way Female
Fitment notes — GM GENUINE PT1008
Gray14-Way Femalewith LeadsActually 20-Way with 6 Cavities Molded
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GM GENUINE Fits: 3.8L V6 PT3833
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3833
Black
Black4-Way Femalewith Leads1.5MM
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1199
🇺🇸 US
Gray
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WELLS Fits: 3.8L V6 1P1864
🇺🇸 US
Theft Deterrent IndicatorInstrument Lamp Connector
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WELLS Fits: 3.8L V6 1P1950
🇺🇸 US
with 2 Terminal(s)Black
Fitment notes — WELLS 1P1950
with 2 Terminal(s)Blackwith Female ConnectorJunction Block Connector
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This table covers the harness connectors at the Instrument Panel. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Knock / Detonation Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 S1214
🇺🇸 US
Contact Terminal Material: Metal
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GM GENUINE Fits: 3.8L V6 PT1233
🇺🇸 US 🇨🇦 CA
GrayBlue Seal
Fitment notes — GM GENUINE PT1233
GrayBlue Seal1-Way Femalewith LeadsMetri-Pack 150 Sealed
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ROSTRA Fits: 3.8L V6 610157
🇺🇸 US
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON15
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1432
🇺🇸 US
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This table covers the harness connectors at the Knock / Detonation Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

License Plate Lamp Connector

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.8L V6 645534
🇺🇸 US
2 Way Female with Leads
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GM GENUINE Fits: 3.8L V6 PT2629
🇺🇸 US 🇨🇦 CA
OVAL2-WAY FEMALE BLACK
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GM GENUINE Fits: 3.8L V6 87815146
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 87815146
Black
Oval2-Way Femalewith Leads
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This table covers the harness connectors at the License Plate Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Liftgate Harness Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2719
🇺🇸 US 🇨🇦 CA
BlackLength: 8.5 In
Fitment notes — GM GENUINE PT2719
BlackLength: 8.5 In
BLACK8-WAY MALEwith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1097
🇺🇸 US
Connector Shape: RectangleGender: Male
Fitment notes — STANDARD MOTOR PRODUCTS S1097
Connector Shape: RectangleGender: MaleLength (In): 0.5Wire Gauge (GA): 16Wiring Harness Length (mm): 431.8Black
blackwith 8 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1105
🇺🇸 US
BlackConnector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS S1105
BlackConnector Shape: Rectangle
8 Terminal Male
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This table covers the harness connectors at the Liftgate Harness. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Liftgate Object Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3707
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3707
Black
Rear8-Way Femalewith Leads
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This table covers the harness connectors at the Liftgate Object Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Manifold Pressure (MAP) Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT1799
🇺🇸 US 🇨🇦 CA
GRAY3-WAY FEMALE
Fitment notes — GM GENUINE PT1799
GRAY3-WAY FEMALEwith Leads
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UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON199
🇺🇸 US
with 3 Female Terminalswith Gray Connector
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SKP Fits: 3.8L V6 SKS595
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4155
🇺🇸 US
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP4155
Handypack
Graywith 3 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S952
🇺🇸 US
Graywith 3 Female Terminals
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WALKER PRODUCTS Fits: 3.8L V6 2701044
🇺🇸 US
Includes O-Ring, Seal
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WELLS Fits: 3.8L V6 1P1544
🇺🇸 US
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This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Mass Air Flow (MAF) Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2785
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2785
Black
5-Way Femalewith Leads
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GM GENUINE Popular Fits: 3.8L V6 PT2782
🇺🇸 US 🇨🇦 CA
Terminal Type: Blade PinWidth: 3 In
Fitment notes — GM GENUINE PT2782
Terminal Type: Blade PinWidth: 3 InBlack
3-Way Femalewith Leads
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DORMAN Fits: 3.8L V6 645500
🇺🇸 US
Wiring Harness Length: 17.25 InBlack
Fitment notes — DORMAN 645500
Wiring Harness Length: 17.25 InBlack
5 WireRound Connector
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ROSTRA Fits: 3.8L V6 610122
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4796
🇺🇸 US
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP4796
Handypack
Color Code Black and Purplewith 5 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1262
🇺🇸 US
Terminal Quantity: 5
Fitment notes — STANDARD MOTOR PRODUCTS S1262
Terminal Quantity: 5
Color Code Black and Purplewith 5 Female Terminals
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON17
🇺🇸 US
with 5 Female Terminalswith Black and Purple Connector
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WALKER PRODUCTS Fits: 3.8L V6 2701134
🇺🇸 US
Black and Purple5 Terminal Female
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WELLS Fits: 3.8L V6 1P2072
🇺🇸 US
with 5 TerminalsBlack
Fitment notes — WELLS 1P2072
with 5 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Mass Air Flow (MAF) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Multi-Function Relay Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
Fitment notes — WELLS 1P1184
Wiring Harness Length: 7.0 In
with 5 Terminals
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This table covers the harness connectors at the Multi-Function Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Multi-Function Switch Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P1651
🇺🇸 US
with 8 Terminals
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This table covers the harness connectors at the Multi-Function Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Neutral Safety Switch / Range Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S2028
🇺🇸 US
Color Code Black and Redwith 10 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1076
🇺🇸 US
Greenwith 6 Female Terminals
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WELLS Fits: 3.8L V6 1P3374
🇺🇸 US
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This table covers the harness connectors at the Neutral Safety Switch / Range Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oil Level Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2830
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2830
Black
BlackAccepts 1.5mm Terms2-Way FemaleMetri-Pack 150 Serieswith Leads
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ROSTRA Popular Fits: 3.8L V6 610108
🇺🇸 US
with 2 Terminal(s)with 1 Female Connectors
Fitment notes — ROSTRA 610108
with 2 Terminal(s)with 1 Female ConnectorsBlack
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GM GENUINE Fits: 3.8L V6 PT3855
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3855
Black
Black3-Way Femalewith Leads1.5MM2
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ROSTRA Fits: 3.8L V6 610106
🇺🇸 US
with 3 Terminal(s)with 1 Female Connectors
Fitment notes — ROSTRA 610106
with 3 Terminal(s)with 1 Female ConnectorsBlack
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WELLS Fits: 3.8L V6 1P1362
🇺🇸 US
Connector Shape: OblongTerminal Quantity: 2
Fitment notes — WELLS 1P1362
Connector Shape: OblongTerminal Quantity: 2Terminal Type: BladeWiring Harness Length: 7.0 In
with 2 TerminalsBlackwith Female Connector
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WELLS Fits: 3.8L V6 1P2388
🇺🇸 US
Mounting Hardware Included: No
Fitment notes — WELLS 1P2388
Mounting Hardware Included: No
with 3 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Oil Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oil Pressure Gauge Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT3829
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3829
Black
Black3-Way Femalewith Leads0.75MM
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This table covers the harness connectors at the Oil Pressure Gauge. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oil Pressure Sender / Switch Connector

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 PT2319
🇺🇸 US 🇨🇦 CA
GoldTerminal Gender: Female
Fitment notes — ACDELCO PT2319
GoldTerminal Gender: Female
with 3 Female TerminalsColor Code Black and Purple
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP4440
🇺🇸 US
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP4440
Handypack
Color Code Black and Purplewith 3 Female Terminals
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GM GENUINE Fits: 3.8L V6 PT100
🇺🇸 US 🇨🇦 CA
Gray1-Way Female
Fitment notes — GM GENUINE PT100
Gray1-Way Femalewith Leads4-Way Base
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GM GENUINE Fits: 3.8L V6 PT2783
🇺🇸 US 🇨🇦 CA
LT Green4-Way Female
Fitment notes — GM GENUINE PT2783
LT Green4-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S955
🇺🇸 US
Greenwith 2 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S619
🇺🇸 US
Connector Shape: RoundTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS S619
Connector Shape: RoundTerminal Type: BladeWeather Resistant: YESWire Gauge (GA): 18
Color Code Black and Purplewith 3 Female Terminals
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This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

On-Board Diagnostic (OBD) Port Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1101
🇺🇸 US 🇨🇦 CA
Gray12-Way Female
Fitment notes — GM GENUINE PT1101
Gray12-Way Femalewith Leads and CapGT150
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1796
🇺🇸 US
Black
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WELLS Fits: 3.8L V6 1P1474
🇺🇸 US
Universal Type
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This table covers the harness connectors at the On-Board Diagnostic (OBD) Port. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Outside Mirror & Glass Assembly Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P3984
🇺🇸 US
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This table covers the harness connectors at the Outside Mirror & Glass Assembly. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Outside Mirror Drive Motor Connector

Brand Part Number Markets Notes Buy
ACDELCO Fits: 3.8L V6 PT1811
🇺🇸 US
GM Original Equipment
Fitment notes — ACDELCO PT1811
GM Original Equipment
DRIVER & PASS Front Seat INFLATABLE RESTRAINT SYS (AK5), DRIVER & PASS SEAT Inflatable Restraint (AY1)6-WAY MALE BLACK
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GM GENUINE Fits: 3.8L V6 PT3838
🇺🇸 US 🇨🇦 CA
Driver & Passenger Front Seat Inflatable Restraint System (AK5), Driver & Passenger Seat Inflatable Restraint (AY1)
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This table covers the harness connectors at the Outside Mirror Drive Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Outside Mirror Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT150
🇺🇸 US 🇨🇦 CA
Natural10-Way Female
Fitment notes — GM GENUINE PT150
Natural10-Way FemaleMetri-Pack 150with Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1065
🇺🇸 US
Connector Shape: RectangleNumber of Splice Connectors Included: 10
Fitment notes — STANDARD MOTOR PRODUCTS S1065
Connector Shape: RectangleNumber of Splice Connectors Included: 10Weather Resistant: NoWire Gauge (GA): 18
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This table covers the harness connectors at the Outside Mirror Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oxygen (O2) Sensor Connector

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.8L V6 PT1373
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO PT1373
GM Original Equipment
GRAY4-WAY MALEwith Leads
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UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON14
🇺🇸 US
with 4 Female Terminalswith Gray and Blue Connector
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GM GENUINE Fits: 3.8L V6 PT2786
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2786
Black
5-Way Malewith Leads
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GM GENUINE Fits: 3.8L V6 PT1069
🇺🇸 US 🇨🇦 CA
Inline To Engine HarnessGray
Fitment notes — GM GENUINE PT1069
Inline To Engine HarnessGray4-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S912
🇺🇸 US
Upstream SensorColor Code Black and Blue
Fitment notes — STANDARD MOTOR PRODUCTS S912
Upstream SensorColor Code Black and Bluewith 4 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S926
🇺🇸 US
Downstream Sensorwhite
Fitment notes — STANDARD MOTOR PRODUCTS S926
Downstream Sensorwhitewith 4 Male Terminals
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WELLS Fits: 3.8L V6 1P1677
🇺🇸 US
4 Terminal, Gray Housing, Square Shape, Male Connector, Body Side
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This table covers the harness connectors at the Oxygen (O2) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Park Assist (PAS) Camera Module Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S908
🇺🇸 US
Connector Shape: SquareWiring Harness Length (mm): 457.2
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This table covers the harness connectors at the Park Assist (PAS) Camera Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Parking / Turn Signal Lamp Connector

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.8L V6 645131
🇺🇸 US
Black
Fitment notes — DORMAN 645131
Black
3 Way Female with Leads
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GM GENUINE Fits: 3.8L V6 PT3833
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3833
Black
Black4-Way Femalewith Leads1.5MM
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GM GENUINE Fits: 3.8L V6 PT114
🇺🇸 US 🇨🇦 CA
Shape: RectangularBlack
Fitment notes — GM GENUINE PT114
Shape: RectangularBlack
BLACK3-WAY FEMALEwith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S569
🇺🇸 US
Connector Shape: OvalWiring Harness Length (In): 8
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WELLS Fits: 3.8L V6 1P1050
🇺🇸 US
Wiring Harness Length: 8.38 In
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This table covers the harness connectors at the Parking / Turn Signal Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Parking Aid Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 84999471
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 84999471
Black
Rear3-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT2626
🇺🇸 US 🇨🇦 CA
Rear3-WAY FEMALE BLACK
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WELLS Fits: 3.8L V6 1P2024
🇺🇸 US
Wiring Harness Length: 16.0 In
Fitment notes — WELLS 1P2024
Wiring Harness Length: 16.0 In
with 3 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Parking Aid Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Power Distribution Block Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P3959
🇺🇸 US
with 8 Terminals
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This table covers the harness connectors at the Power Distribution Block. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Power Seat Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1387
🇺🇸 US
Yellowwith 2 Male Terminals
Fitment notes — STANDARD MOTOR PRODUCTS S1387
Yellowwith 2 Male TerminalsConnects to Power Seat Harness
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1104
🇺🇸 US
Connector Shape: RectangleGender: Female
Fitment notes — STANDARD MOTOR PRODUCTS S1104
Connector Shape: RectangleGender: FemaleLength (In): 1
Color Code Black and Bluewith 4 Male TerminalsConnects to Power Seat Harness
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This table covers the harness connectors at the Power Seat Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Power Seat Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1793
🇺🇸 US
Black
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This table covers the harness connectors at the Power Seat Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Power Steering Pressure Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2830
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2830
Black
BlackAccepts 1.5mm Terms2-Way FemaleMetri-Pack 150 Serieswith Leads
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This table covers the harness connectors at the Power Steering Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Power Window Switch Connector

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.8L V6 645702
🇺🇸 US
Female
Fitment notes — DORMAN 645702
Female
7 Way Female Connector with Leads
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GM GENUINE Popular Fits: 3.8L V6 PT1346
🇺🇸 US 🇨🇦 CA
BlackConnector
Fitment notes — GM GENUINE PT1346
BlackConnector
Rectangle, Metri-Pack 2808-Way Femalewith Leads7-12GA and 4-18GA as Required
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GM GENUINE Popular Fits: 3.8L V6 PT2195
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2195
Black
Black7-Way Femalewith Leads
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ACDELCO Fits: 3.8L V6 PT2372
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO PT2372
Gold
with 8 Female Terminals
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DORMAN Fits: 3.8L V6 973300
🇺🇸 US
Harness
Fitment notes — DORMAN 973300
Harness
7 Way Female Connector with Leads
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GM GENUINE Fits: 3.8L V6 PT1208
🇺🇸 US 🇨🇦 CA
RightBrown
Fitment notes — GM GENUINE PT1208
RightBrown8-Way FemaleGT280with Leads
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HOLSTEIN Fits: 3.8L V6 2HAR0047
🇺🇸 US
5 Terminals
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SKP Fits: 3.8L V6 SKS1619
🇺🇸 US
Fits Grayor 5 Terminal Female
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4652
🇺🇸 US
Handy PackBlack
Fitment notes — STANDARD MOTOR PRODUCTS HP4652
Handy PackBlack
with 5 Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1619
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1619
Black
with 5 Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S804
🇺🇸 US
Length (In): 0.875Wire Gauge (GA): 14
Fitment notes — STANDARD MOTOR PRODUCTS S804
Length (In): 0.875Wire Gauge (GA): 14Wiring Harness Length (mm): 215.9
with 8 Female Terminals
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON31
🇺🇸 US
with 2 Terminals
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WELLS Fits: 3.8L V6 1P4008
🇺🇸 US
with 6 Terminals
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This table covers the harness connectors at the Power Window Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Powertrain Control Module (PCM) Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 167504
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 167504
Black
73-Way Femalewithout Leads
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WELLS Fits: 3.8L V6 1P3960
🇺🇸 US
without 73 Terminalswith 73 Terminals
Fitment notes — WELLS 1P3960
without 73 Terminalswith 73 Terminalswithout Leads
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This table covers the harness connectors at the Powertrain Control Module (PCM). Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radiator Fan Motor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT1231
🇺🇸 US 🇨🇦 CA
MP 280Gray
Fitment notes — GM GENUINE PT1231
MP 280Gray4-Way Femalewith LeadsFlat
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ROSTRA Popular Fits: 3.8L V6 610045
🇺🇸 US
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SKP Popular Fits: 3.8L V6 SKS1352
🇺🇸 US
Fits Grayor 4 Terminal Female
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ACDELCO Fits: 3.8L V6 PT2304
🇺🇸 US 🇨🇦 CA
Gold
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GM GENUINE Fits: 3.8L V6 PT189
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT189
Black
12GA Wires2-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4430
🇺🇸 US
Handypack
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S568
🇺🇸 US
Connector Shape: OvalWiring Harness Length (mm): 196.85
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4795
🇺🇸 US
HandypackWeather Resistant: YES
Fitment notes — STANDARD MOTOR PRODUCTS HP4795
HandypackWeather Resistant: YES
with 4 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1352
🇺🇸 US
Contact Terminal Material: MetalWeather Resistant: YES
Fitment notes — STANDARD MOTOR PRODUCTS S1352
Contact Terminal Material: MetalWeather Resistant: YESWiring Harness Length (mm): 438.15
with 4 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1340
🇺🇸 US
Gauge: 10 GAWiring Harness Length (mm): 457.2
Fitment notes — STANDARD MOTOR PRODUCTS S1340
Gauge: 10 GAWiring Harness Length (mm): 457.2
Graywith 4 Male Terminals
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON87
🇺🇸 US
with 2 Wires
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WELLS Fits: 3.8L V6 1P1028
🇺🇸 US
Wiring Harness Length: 8.25 In
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This table covers the harness connectors at the Radiator Fan Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radiator Fan Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 S803
🇺🇸 US
Connector Shape: SquareWire Gauge (GA): 12, 14
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UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON164
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON164
Terminal Gender: FemaleTerminal Quantity: 5Terminal Type: Blade
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ACDELCO Fits: 3.8L V6 PT2371
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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FOUR SEASONS Fits: 3.8L V6 37232
🇺🇸 US
5 Terminal MaleMini Terminal
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ROSTRA Fits: 3.8L V6 610138
🇺🇸 US
View on
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4655
🇺🇸 US
HandypackConnector Shape: Square
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This table covers the harness connectors at the Radiator Fan Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radio Connector

Brand Part Number Markets Notes Buy
METRA Fits: 3.8L V6 7120031
🇺🇸 US
OEM Radio HarnessFor OEM Radio
Fitment notes — METRA 7120031
OEM Radio HarnessFor OEM Radio
Plugs Into OEM Radio24-PinPower 4-SpeakersFully Terminated
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1059
🇺🇸 US
Wire Gauge (GA): 16, 20
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This table covers the harness connectors at the Radio. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Repair Harness

Brand Part Number Markets Notes Buy
ROSTRA Popular Fits: 3.8L V6 610825
🇺🇸 US
with 8 Terminal(s)with 1 Female Connectors
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ATP Fits: 3.8L V6 JE25
🇺🇸 US
Round
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ATP Fits: 3.8L V6 JE34
🇺🇸 US
External Repair/Test Harness (20 Pins, White Wires)
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ROSTRA Fits: 3.8L V6 610724
🇺🇸 US
with 10 Terminal(s)with 1 Female Connectors
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WELLS Fits: 3.8L V6 1P1584
🇺🇸 US
with 10 TerminalsFemale End
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WELLS Fits: 3.8L V6 1P1591
🇺🇸 US
with 8 Terminalswith Female Connector
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This table covers the Repair harnesses.

Roof Accessory Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1570
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1570
Black
Black8-Way Malewith LeadsUnsealed
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WELLS Fits: 3.8L V6 1P3379
🇺🇸 US
with 8 Terminalswith Male Connector
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This table covers the harness connectors at the Roof Accessory. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Seat Heater Switch Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1071
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1071
Black
Right6-Way Femalewith Leads
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WELLS Fits: 3.8L V6 1P1906
🇺🇸 US
Right
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WELLS Fits: 3.8L V6 1P1949
🇺🇸 US
Left
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This table covers the harness connectors at the Seat Heater Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Shift Interlock Control Module Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1097
🇺🇸 US
Connector Shape: RectangleGender: Male
Fitment notes — STANDARD MOTOR PRODUCTS S1097
Connector Shape: RectangleGender: MaleLength (In): 0.5Wire Gauge (GA): 16Wiring Harness Length (mm): 431.8Black
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This table covers the harness connectors at the Shift Interlock Control Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Shift Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S633
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S633
Black
Shift Control Solenoid
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This table covers the harness connectors at the Shift Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Side Marker Lamp Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT247
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT247
Black
Sealed2-Way Femalewith Leads
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WELLS Fits: 3.8L V6 1P3903
🇺🇸 US
with 2 Terminals
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This table covers the harness connectors at the Side Marker Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Speaker Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT3835
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3835
Black
index tab center cavity And2-Way Femalewith Leads1.5MM2
View on
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METRA Popular Fits: 3.8L V6 724568
🇺🇸 US
TURBOWireSpeaker Harness
Fitment notes — METRA 724568
TURBOWireSpeaker Harness
2-Pin Speaker ConnectorRequires 1 Kit Per Pair Speakers
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GM GENUINE Fits: 3.8L V6 PT146
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT146
Black
Black2-Way Femalewith LeadsSquare
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GM GENUINE Fits: 3.8L V6 PT3836
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3836
Black
Black4-Way Femalewith Leads
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WELLS Fits: 3.8L V6 1P1012
🇺🇸 US
Terminal Gender: Female
Fitment notes — WELLS 1P1012
Terminal Gender: Female
with Center Cavity Index Tabwith 2 TerminalsBlackwith Female Connector
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WELLS Fits: 3.8L V6 1P1663
🇺🇸 US
Gender: Male
Fitment notes — WELLS 1P1663
Gender: Male
4 Terminal, with Insert Tab on Right Side
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This table covers the harness connectors at the Speaker. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Speed Sensor Connector

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.8L V6 SKTX3A
🇺🇸 US
Fits Blackor 2 Terminal Female
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 TX3A
🇺🇸 US
Wiring Harness Length (mm): 158.75Black
Fitment notes — STANDARD MOTOR PRODUCTS TX3A
Wiring Harness Length (mm): 158.75Black
Transmission Output
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WELLS Popular Fits: 3.8L V6 1P1006
🇺🇸 US
Connector Shape: OblongWiring Harness Length: 9.5 In
Fitment notes — WELLS 1P1006
Connector Shape: OblongWiring Harness Length: 9.5 In
Fits:
with 2 Terminal(s)Transmission Outputor for Output SensorTransmission SpeedAutomatic trans.
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ACDELCO Fits: 3.8L V6 PT2386
🇺🇸 US 🇨🇦 CA
GoldShape: Square
Fitment notes — ACDELCO PT2386
GoldShape: Square
Transmission Output
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DORMAN Fits: 3.8L V6 645782
🇺🇸 US
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GM GENUINE Fits: 3.8L V6 PT2437
🇺🇸 US 🇨🇦 CA
Terminal Type: PinBlack
Fitment notes — GM GENUINE PT2437
Terminal Type: PinBlack
2-Way Femalewith Leads
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GM GENUINE Fits: 3.8L V6 PT1798
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT1798
Gray2-Way FemaleGT150 Sealedwith LeadsTransmission Output
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP3840
🇺🇸 US
HandypackWiring Harness Length (mm): 158.75
Fitment notes — STANDARD MOTOR PRODUCTS HP3840
HandypackWiring Harness Length (mm): 158.75black
Transmission Output
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1487
🇺🇸 US
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON203
🇺🇸 US
Transmission Output
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WALKER PRODUCTS Fits: 3.8L V6 2111500
🇺🇸 US
Terminal Quantity: 2Includes O-Ring
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This table covers the harness connectors at the Speed Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Starter Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1056
🇺🇸 US
Connector Shape: Rectangleblack
Fitment notes — STANDARD MOTOR PRODUCTS S1056
Connector Shape: Rectangleblack
blackwith 7 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1131
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1131
Black
blackwith 7 Terminal Connector
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This table covers the harness connectors at the Starter Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Steering Column Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 86532982
🇺🇸 US 🇨🇦 CA
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This table covers the harness connectors at the Steering Column. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Steering Wheel Position Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P4208
🇺🇸 US
Angle Sensor
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This table covers the harness connectors at the Steering Wheel Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Sunroof / Sunshade Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1618
🇺🇸 US
Connector Shape: RectangleWire Gauge (GA): 20
Fitment notes — STANDARD MOTOR PRODUCTS S1618
Connector Shape: RectangleWire Gauge (GA): 20Black
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This table covers the harness connectors at the Sunroof / Sunshade Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Sunroof Motor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT126
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT126
Black
BLACK3-WAY FEMALEwith Leads
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This table covers the harness connectors at the Sunroof Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Tail Lamp Assembly Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2623
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2623
Black
Black2-Way Malewith LeadsOval
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WELLS Popular Fits: 3.8L V6 1P1050
🇺🇸 US
Wiring Harness Length: 8.38 In
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FAMOUS BRAND Fits: 3.8L V6 PTA1448
🇺🇸 US 🇨🇦 CA
Tail Lamp Repair Connector
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GM GENUINE Fits: 3.8L V6 PT267
🇺🇸 US 🇨🇦 CA
Gray6-Way Male
Fitment notes — GM GENUINE PT267
Gray6-Way Malewith Leads
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GM GENUINE Fits: 3.8L V6 PT3833
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3833
Black
Black4-Way Femalewith Leads1.5MM
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1639
🇺🇸 US
Connector Shape: RectangleWiring Harness Length (In): 16.5
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1491
🇺🇸 US
Connector Shape: Oval
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WELLS Fits: 3.8L V6 1P3996
🇺🇸 US
Terminal Type: BladeWiring Harness Length: 17.75 In
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This table covers the harness connectors at the Tail Lamp Assembly. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Temperature Sender / Sensor Connector

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.8L V6 SKTX3A
🇺🇸 US
Black2 Terminal Female
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STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 TX3A
🇺🇸 US
Wiring Harness Length (mm): 158.75Black
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WELLS Popular Fits: 3.8L V6 1P1006
🇺🇸 US
Connector Shape: OblongWiring Harness Length: 9.5 In
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ACDELCO Fits: 3.8L V6 PT2386
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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FOUR SEASONS Fits: 3.8L V6 37231
🇺🇸 US
2 Terminal Malewith Oval Connector
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GM GENUINE Fits: 3.8L V6 PT1798
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT1798
Gray2-Way FemaleGT150 Sealedwith Leads
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GM GENUINE Fits: 3.8L V6 PT2183
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2183
Black
Black2-Way Femalewith Leads2.8 Series
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ROSTRA Fits: 3.8L V6 610011
🇺🇸 US
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SKP Fits: 3.8L V6 SKS1024
🇺🇸 US
Fits Black and Orang
Fitment notes — SKP SKS1024
Fits:
Black and Orang
or:
2 Terminal Female
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP3840
🇺🇸 US
HandypackWiring Harness Length (mm): 158.75
Fitment notes — STANDARD MOTOR PRODUCTS HP3840
HandypackWiring Harness Length (mm): 158.75black
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON5
🇺🇸 US
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WALKER PRODUCTS Fits: 3.8L V6 2111500
🇺🇸 US
Terminal Quantity: 2Includes O-Ring
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This table covers the harness connectors at the Temperature Sender / Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Throttle Position Sensor (TPS) Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 HP4440
🇺🇸 US
Handypack
Fitment notes — STANDARD MOTOR PRODUCTS HP4440
Handypack
Color Code Black and Purplewith 3 Female Terminals
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WELLS Popular Fits: 3.8L V6 1P1065
🇺🇸 US
Terminal Gender: Female
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ACDELCO Fits: 3.8L V6 PT2319
🇺🇸 US 🇨🇦 CA
GoldTerminal Gender: Female
Fitment notes — ACDELCO PT2319
GoldTerminal Gender: Female
with 3 Female TerminalsColor Code Black and Purple
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GM GENUINE Fits: 3.8L V6 PT3751
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3751
Black
Black6-Way Femalewith Leads1.0MM2
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S619
🇺🇸 US
Connector Shape: RoundTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS S619
Connector Shape: RoundTerminal Type: BladeWeather Resistant: YESWire Gauge (GA): 18
Color Code Black and Purplewith 3 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1419
🇺🇸 US
Connector Shape: OvalGender: Female
Fitment notes — STANDARD MOTOR PRODUCTS S1419
Connector Shape: OvalGender: FemaleLength (In): 1.125
Color Code Black and Yellowwith 6 Female Terminals
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON110
🇺🇸 US
with 3 Female Terminalswith Black and Purple Connector
Fitment notes — UNITED MOTOR PRODUCTS CON110
with 3 Female Terminalswith Black and Purple Connectorwith Round Connector
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This table covers the harness connectors at the Throttle Position Sensor (TPS). Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trailer Connector

Brand Part Number Markets Notes Buy
CURT Fits: 3.8L V6 56340
🇺🇸 US
Custom Wiring Harness4-Way Flat
Fitment notes — CURT 56340
Custom Wiring Harness4-Way Flat
2-Wire System
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This table covers the trailer-lighting connectors at the hitch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Transmission Fluid Temperature Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P1364
🇺🇸 US
Fits with 2 Terminalsor with 2 Terminal(s)Manual Trans
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This table covers the harness connectors at the Transmission Fluid Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Transmission-Automatic Wiring Harness / Connector

Brand Part Number Markets Notes Buy
ROSTRA Popular Fits: 3.8L V6 3500083
🇺🇸 US
GM Universal External Repair & Test Harness 20 Pins & White Wires
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ATP Fits: 3.8L V6 JE24
🇺🇸 US
with 7-Pin Clip InPosition: Internal
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ATP Fits: 3.8L V6 JE31
🇺🇸 US
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PIONEER Fits: 3.8L V6 772036
🇺🇸 US
with 7-Pin Clip InInternal
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ROSTRA Fits: 3.8L V6 3500075
🇺🇸 US
Universal Internal Wire Harness
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This table covers the wiring-harness connectors at the Transmission-Automatic. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Trunk / Cargo Area Lamp Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT146
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT146
Black
Black2-Way Femalewith LeadsSquare
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This table covers the harness connectors at the Trunk / Cargo Area Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trunk Lock Actuator Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT3835
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT3835
Black
index tab center cavity And2-Way Femalewith Leads1.5MM2
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GM GENUINE Fits: 3.8L V6 PT2719
🇺🇸 US 🇨🇦 CA
BlackLength: 8.5 In
Fitment notes — GM GENUINE PT2719
BlackLength: 8.5 In
BLACK8-WAY MALEwith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1097
🇺🇸 US
Connector Shape: RectangleGender: Male
Fitment notes — STANDARD MOTOR PRODUCTS S1097
Connector Shape: RectangleGender: MaleLength (In): 0.5Wire Gauge (GA): 16Wiring Harness Length (mm): 431.8Black
blackwith 8 Female Terminals
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WELLS Fits: 3.8L V6 1P1620
🇺🇸 US
Connector Gender: Female
Fitment notes — WELLS 1P1620
Connector Gender: Female
with 8 TerminalsFemale End
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WELLS Fits: 3.8L V6 1P1695
🇺🇸 US
Wiring Harness Length: 16.5 In
Fitment notes — WELLS 1P1695
Wiring Harness Length: 16.5 In
with 8 TerminalsMale End
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This table covers the harness connectors at the Trunk Lock Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trunk Release Relay Connector

Brand Part Number Markets Notes Buy
WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
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This table covers the harness connectors at the Trunk Release Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Turn Signal Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 S1399
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1399
Black
with 5 Blade Terminals
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FAMOUS BRAND Fits: 3.8L V6 PTA1448
🇺🇸 US 🇨🇦 CA
Turn Signal Lamp Connector
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ROSTRA Fits: 3.8L V6 610390
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1050
🇺🇸 US
Wiring Harness Length: 8.38 In
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WELLS Fits: 3.8L V6 1P1651
🇺🇸 US
with 8 Terminals
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This table covers the harness connectors at the Turn Signal Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Vapor Canister Purge Valve / Solenoid Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2784
🇺🇸 US 🇨🇦 CA
Red2-Way Female
Fitment notes — GM GENUINE PT2784
Red2-Way Femalewith Leads
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WELLS Popular Fits: 3.8L V6 1P1479
🇺🇸 US
Gender: MaleWiring Harness Length: 15.5 In
Fitment notes — WELLS 1P1479
Gender: MaleWiring Harness Length: 15.5 In
with 2 TerminalsOval
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DORMAN Fits: 3.8L V6 645631
🇺🇸 US
Red
Fitment notes — DORMAN 645631
Red
2 Way with Leads
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GM GENUINE Fits: 3.8L V6 PT2044
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2044
Black
2-Way Femalewith LeadsSealed2.8 BDK Series
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4625
🇺🇸 US
HandypackTerminal Type: Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1350
🇺🇸 US
Length (In): 1.125Terminal Type: Blade Terminals
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON19
🇺🇸 US
Color: Gray/BlueTerminal Gender: Female
Fitment notes — UNITED MOTOR PRODUCTS CON19
Color: Gray/BlueTerminal Gender: FemaleTerminal Type: Blade
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This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Vapor Canister Vent Valve / Solenoid Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2784
🇺🇸 US 🇨🇦 CA
Red2-Way Female
Fitment notes — GM GENUINE PT2784
Red2-Way Femalewith Leads
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WELLS Popular Fits: 3.8L V6 1P1479
🇺🇸 US
Gender: MaleWiring Harness Length: 15.5 In
Fitment notes — WELLS 1P1479
Gender: MaleWiring Harness Length: 15.5 In
Repair Connector for Vehicles with Oval Connector
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DORMAN Fits: 3.8L V6 645631
🇺🇸 US
Red
Fitment notes — DORMAN 645631
Red
2 Way with Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4625
🇺🇸 US
HandypackTerminal Type: Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1350
🇺🇸 US
Length (In): 1.125Terminal Type: Blade Terminals
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON19
🇺🇸 US
Color: Gray/BlueTerminal Gender: Female
Fitment notes — UNITED MOTOR PRODUCTS CON19
Color: Gray/BlueTerminal Gender: FemaleTerminal Type: Blade
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WELLS Fits: 3.8L V6 1P1793
🇺🇸 US
Gender: Male FemaleWiring Harness Length: 5.5 In
Fitment notes — WELLS 1P1793
Gender: Male FemaleWiring Harness Length: 5.5 In
Jumper for OEM Vent Solenoid Redesign2 Terminal, 6" Leads with Male and Female Connector Ends
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This table covers the harness connectors at the Vapor Canister Vent Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Variable Power Steering Solenoid Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2830
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2830
Black
BlackAccepts 1.5mm Terms2-Way FemaleMetri-Pack 150 Serieswith Leads
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This table covers the harness connectors at the Variable Power Steering Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Variable Valve Timing (VVT) Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1716
🇺🇸 US
Connector Shape: OvalWire Gauge (GA): 14
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This table covers the harness connectors at the Variable Valve Timing (VVT) Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Washer Fluid Level Sensor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT1798
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT1798
Gray2-Way FemaleGT150 Sealedwith Leads
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GM GENUINE Fits: 3.8L V6 PT1780
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1780
Black
BLACK2-WAY FEMALEwith Leads
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ROSTRA Fits: 3.8L V6 610108
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1362
🇺🇸 US
Connector Shape: OblongTerminal Quantity: 2
Fitment notes — WELLS 1P1362
Connector Shape: OblongTerminal Quantity: 2Terminal Type: BladeWiring Harness Length: 7.0 In
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This table covers the harness connectors at the Washer Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Washer Pump Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2830
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2830
Black
Accepts 1.5mm Terms2-Way FemaleMetri-Pack 150 Serieswith Leads
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ROSTRA Fits: 3.8L V6 610108
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1330
🇺🇸 US
Black
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WELLS Fits: 3.8L V6 1P1362
🇺🇸 US
Connector Shape: OblongTerminal Quantity: 2
Fitment notes — WELLS 1P1362
Connector Shape: OblongTerminal Quantity: 2Terminal Type: BladeWiring Harness Length: 7.0 In
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This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Washer Pump Relay Connector

Brand Part Number Markets Notes Buy
UNITED MOTOR PRODUCTS Popular Fits: 3.8L V6 CON164
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON164
Terminal Gender: FemaleTerminal Quantity: 5Terminal Type: Blade
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ACDELCO Fits: 3.8L V6 PT2371
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4655
🇺🇸 US
HandypackConnector Shape: Square
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S803
🇺🇸 US
Connector Shape: SquareWire Gauge (GA): 12, 14
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WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
Fitment notes — WELLS 1P1184
Wiring Harness Length: 7.0 In
with 5 Terminals
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This table covers the harness connectors at the Washer Pump Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Window Defroster Motor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.8L V6 PT2645
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2645
Black
1-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1329
🇺🇸 US
Length (In): 1Wiring Harness Length (In): 17.5
Fitment notes — STANDARD MOTOR PRODUCTS S1329
Length (In): 1Wiring Harness Length (In): 17.5Black
RearRear Window Module Connector
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WELLS Fits: 3.8L V6 1P2077
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
Fitment notes — WELLS 1P1184
Wiring Harness Length: 7.0 In
with 5 Terminal(s)Rear Window Defogger Relay Connector
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This table covers the harness connectors at the Window Defroster Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Window Motor Connector

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.8L V6 645200
🇺🇸 US
Gray
Fitment notes — DORMAN 645200
Gray
2 Way with Leads
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GM GENUINE Fits: 3.8L V6 PT2072
🇺🇸 US 🇨🇦 CA
Gray2-Way Female
Fitment notes — GM GENUINE PT2072
Gray2-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1416
🇺🇸 US
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WELLS Fits: 3.8L V6 1P1587
🇺🇸 US
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This table covers the harness connectors at the Window Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Wiper / Washer Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1399
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1399
Black
with 5 Blade Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1598
🇺🇸 US
Connector Shape: Rectangleblack
Fitment notes — STANDARD MOTOR PRODUCTS S1598
Connector Shape: Rectangleblack
with 8 Terminal(s)
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This table covers the harness connectors at the Wiper / Washer Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Wiper Motor Connector

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.8L V6 PT2116
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2116
Black
5-Way Femalewith Leads
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GM GENUINE Popular Fits: 3.8L V6 PT2887
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2887
Black
Black4-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 HP4655
🇺🇸 US
HandypackConnector Shape: Square
Fitment notes — STANDARD MOTOR PRODUCTS HP4655
HandypackConnector Shape: Square
Relay Connector
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S803
🇺🇸 US
Connector Shape: SquareWire Gauge (GA): 12, 14
Fitment notes — STANDARD MOTOR PRODUCTS S803
Connector Shape: SquareWire Gauge (GA): 12, 14
Relay Connector
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1265
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS S1265
Black
blackwith 4 Female Terminals
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1451
🇺🇸 US
Blackwith 5 Female Terminals
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON18
🇺🇸 US
with 4 Female Terminalswith Black Connector
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WELLS Fits: 3.8L V6 1P2604
🇺🇸 US
with 4 TerminalsBlack
Fitment notes — WELLS 1P2604
with 4 TerminalsBlackwith Female Connector
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WELLS Fits: 3.8L V6 1P2571
🇺🇸 US
with 6 TerminalsBlack
Fitment notes — WELLS 1P2571
with 6 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Wiper Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Wiper Motor Relay Connector

Brand Part Number Markets Notes Buy
ACDELCO Fits: 3.8L V6 PT2371
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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UNITED MOTOR PRODUCTS Fits: 3.8L V6 CON164
🇺🇸 US
Terminal Gender: FemaleTerminal Quantity: 5
Fitment notes — UNITED MOTOR PRODUCTS CON164
Terminal Gender: FemaleTerminal Quantity: 5Terminal Type: Blade
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WELLS Fits: 3.8L V6 1P1184
🇺🇸 US
Wiring Harness Length: 7.0 In
Fitment notes — WELLS 1P1184
Wiring Harness Length: 7.0 In
with 5 Terminals
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This table covers the harness connectors at the Wiper Motor Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Yaw Sensor Connector

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.8L V6 645234
🇺🇸 US
6 Cavity
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GM GENUINE Fits: 3.8L V6 PT1475
🇺🇸 US 🇨🇦 CA
Terminal Type: Blade PinBlack
Fitment notes — GM GENUINE PT1475
Terminal Type: Blade PinBlack
6-Way Femalewith Leads
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ROSTRA Fits: 3.8L V6 610709
🇺🇸 US
with 6 Terminal(s)with 1 Female Connectors
Fitment notes — ROSTRA 610709
with 6 Terminal(s)with 1 Female ConnectorsBlack
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STANDARD MOTOR PRODUCTS Fits: 3.8L V6 S1057
🇺🇸 US
Connector Shape: OvalLength (In): 1
Fitment notes — STANDARD MOTOR PRODUCTS S1057
Connector Shape: OvalLength (In): 1Black
with 6 Female Terminals
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WELLS Fits: 3.8L V6 1P2399
🇺🇸 US
with 6 TerminalsBlack
Fitment notes — WELLS 1P2399
with 6 TerminalsBlackwith Female Connector
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This table covers the harness connectors at the Yaw Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Buying Electrical Connector Parts for a 2005 Buick Lacrosse

On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.

  • Match the engine first. Every electrical connector part here is engine-specific; each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Blower Motor Control Module / Resistor Connector and Camshaft Position Sensor Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2005 Buick Lacrosse?

Our catalog currently lists 592 electrical connector parts for the 2005 Buick Lacrosse across 143 subcategories and 21 brands, covering both the 3.6L V6 and the 3.8L V6. Each part is matched to the engine(s) it fits.

Do electrical connector parts differ between 2005 Buick Lacrosse engines?

Yes. Every electrical connector part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of electrical connector problems on a 2005 Buick Lacrosse?

Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2005 Buick Lacrosse was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2005 Buick Lacrosse?

First match the engine — each row shows which engine(s) the part fits. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2005 Buick Lacrosse

Electrical Connector Parts for Other Buick Lacrosse Years

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