2015 Cadillac XTS Electrical Connector Parts

Engine:

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

This page lists 115 electrical connector parts for the 2015 Cadillac XTS, across 50 part types, covering both the 3.6L V6 and the 3.6L V6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.

On the 2015 Cadillac XTS, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 20 parts of the 115 listed are ABS Wheel Speed Sensor Connector (7 parts), Fuel Injector Connector (7 parts) and Fuel Injection Pressure Sensor Connector (6 parts). The other 47 part types cover the remaining 95 parts.

A/C Refrigerant Pressure Switch Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: all 2015 XTS engines 37236
🇺🇸 US 🇨🇦 CA
3 Terminal Male
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ROSTRA Fits: all 2015 XTS engines 610225
🇺🇸 US 🇨🇦 CA
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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 Wheel Speed Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2015 XTS engines HP3945
🇺🇸 US 🇨🇦 CA
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: all 2015 XTS engines S824
🇺🇸 US 🇨🇦 CA
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: all 2015 XTS engines PT2160
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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GM GENUINE Fits: 3.6L V6 23278473
🇺🇸 US 🇨🇦 CA
FrontVariable Time Damping Chassis (F55)
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HOLSTEIN Fits: all 2015 XTS engines 2HAR0035
🇺🇸 US 🇨🇦 CA
Includes ABS Wheel Speed Sensor Wire Harness
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WELLS Fits: all 2015 XTS engines 1P3377
🇺🇸 US 🇨🇦 CA
Includes Butt Connectors
Fitment notes — WELLS 1P3377
Includes Butt Connectors
Fits:
Rear
or:
Front
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WELLS Fits: all 2015 XTS engines 1P3407
🇺🇸 US 🇨🇦 CA
Terminal Type: Blade Pin
Fitment notes — WELLS 1P3407
Terminal Type: Blade Pin
FrontRPO Code F45 Real Time Damping Chassis
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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: all 2015 XTS engines S1048
🇺🇸 US 🇨🇦 CA
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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 Power Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1600
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1600
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 17.75Wiring Harness Length (mm): 450.85Black
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This table covers the harness connectors at the Accessory Power 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 Bag Clockspring Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2015 XTS engines 1P3942
🇺🇸 US 🇨🇦 CA
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
WELLS Fits: all 2015 XTS engines 1P3978
🇺🇸 US 🇨🇦 CA
with 2 Terminals
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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 Intake / Charge Temperature Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2894
🇺🇸 US 🇨🇦 CA
Air Charge
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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
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1477
🇺🇸 US 🇨🇦 CA
without Wiring Harness
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WELLS Fits: all 2015 XTS engines 1P3341
🇺🇸 US 🇨🇦 CA
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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.

Brake Fluid Level Sensor Connector

Brand Part Number Markets Notes Buy
ROSTRA Fits: all 2015 XTS engines 610108
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2015 XTS engines 1P1362
🇺🇸 US 🇨🇦 CA
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 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 Pedal Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2506
🇺🇸 US 🇨🇦 CA
Terminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS S2506
Terminal Type: Blade
Pedal 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.

Cabin Air Temperature Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S717
🇺🇸 US 🇨🇦 CA
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
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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
SKP Popular Fits: 3.6L V6 SKS577
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1458
🇺🇸 US 🇨🇦 CA
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ULTRA-POWER Fits: 3.6L V6 2701089
🇺🇸 US 🇨🇦 CA
Cam Position Sensor Connector
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WALKER PRODUCTS Fits: all 2015 XTS engines 2701089
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2015 XTS engines 1P2565
🇺🇸 US 🇨🇦 CA
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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.

Crankshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1497
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2015 XTS engines 1P2557
🇺🇸 US 🇨🇦 CA
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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.

Flex Fuel Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2015 XTS engines 1P3387
🇺🇸 US 🇨🇦 CA
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This table covers the harness connectors at the Flex Fuel 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.

Fuel Injection Pressure Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 HP4335
🇺🇸 US 🇨🇦 CA
Handypack
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STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 S577
🇺🇸 US 🇨🇦 CA
Wire Gauge (GA): 16
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ACDELCO Fits: 3.6L V6 PT2308
🇺🇸 US 🇨🇦 CA
Gold
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ROSTRA Fits: all 2015 XTS engines 610135
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2015 XTS engines 1P1020
🇺🇸 US 🇨🇦 CA
Located on Fuel Rail
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WELLS Fits: all 2015 XTS engines 1P3409
🇺🇸 US 🇨🇦 CA
Located in Fuel Line
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This table covers the harness connectors at the Fuel Injection 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.

Fuel Injector Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2015 XTS engines HP3945
🇺🇸 US 🇨🇦 CA
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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WELLS Popular Fits: all 2015 XTS engines 1P1344
🇺🇸 US 🇨🇦 CA
Terminal Type: BladeWiring Harness Length: 8.5 In
Fitment notes — WELLS 1P1344
Terminal Type: BladeWiring Harness Length: 8.5 In
with 2 Terminals
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ACDELCO Fits: all 2015 XTS engines PT2160
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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GB REMANUFACTURING Fits: 3.6L V6 5191
🇺🇸 US 🇨🇦 CA
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HOLSTEIN Fits: all 2015 XTS engines 2HAR0035
🇺🇸 US 🇨🇦 CA
Includes ABS Wheel Speed Sensor Wire Harness
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SKP Fits: all 2015 XTS engines SKS824
🇺🇸 US 🇨🇦 CA
Includes ABS Wheel Speed Sensor Wire Harness
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STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S824
🇺🇸 US 🇨🇦 CA
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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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 Sending Unit Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2904
🇺🇸 US 🇨🇦 CA
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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
GM GENUINE Popular Fits: all 2015 XTS engines PT2612
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2612
Black
2-Way Femalewith Leads
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GM GENUINE Fits: all 2015 XTS engines PT2391
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT2391
Black
Black3-Way FemaleGT150 Serieswith Leads
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GM GENUINE Fits: all 2015 XTS engines PT2877
🇺🇸 US 🇨🇦 CA
Natural4-Way Female
Fitment notes — GM GENUINE PT2877
Natural4-Way Femalewith Leads
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GM GENUINE Fits: all 2015 XTS engines PT1401
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1401
Black
Black16-Way Femalewith Leads
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STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1243
🇺🇸 US 🇨🇦 CA
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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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
ROSTRA Fits: all 2015 XTS engines 610022
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2015 XTS engines 1P1475
🇺🇸 US 🇨🇦 CA
Gender: Female
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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.

Headlamp Wiring Harness / Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 23151393
🇺🇸 US 🇨🇦 CA
Base ModelVariable Time Damping Chassis (F55)
Fitment notes — GM GENUINE 23151393
Base ModelVariable Time Damping Chassis (F55)Exc. Stretch Livery Equip(W30),Armored Body Equipment(B05),Hearse Conversion(B9Q), Limo Package (V4U)Built Before 01SEPT20141st Design
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GM GENUINE Fits: 3.6L V6 23151394
🇺🇸 US 🇨🇦 CA
LuxuryVariable Effort Power Steering (NXC)
Fitment notes — GM GENUINE 23151394
LuxuryVariable Effort Power Steering (NXC)Built Before 01SEPT20141st Design
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GM GENUINE Fits: 3.6L V6 23151395
🇺🇸 US 🇨🇦 CA
LuxuryBuilt Before 01SEPT2014
Fitment notes — GM GENUINE 23151395
LuxuryBuilt Before 01SEPT2014Belt Drive Electric Steering (NJ2)1st Design
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GM GENUINE Fits: 3.6L V6 23151396
🇺🇸 US 🇨🇦 CA
Livery or Platinum or PremiumVariable Effort Power Steering (NXC), Collision Imminent Brake Assist Sensor (UGN)
Fitment notes — GM GENUINE 23151396
Livery or Platinum or PremiumVariable Effort Power Steering (NXC), Collision Imminent Brake Assist Sensor (UGN)Built Before 01SEPT20141st Design
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GM GENUINE Fits: 3.6L V6 23151397
🇺🇸 US 🇨🇦 CA
Livery or PremiumVariable Effort Power Steering (NXC)
Fitment notes — GM GENUINE 23151397
Livery or PremiumVariable Effort Power Steering (NXC)Except Collision Imminent Brake Assist Sensor (UGN)Built Before 01SEPT20141st Design
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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.

Horn Connector

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2015 XTS engines 645215
🇺🇸 US 🇨🇦 CA
2 Cavity Female
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ROSTRA Fits: all 2015 XTS engines 610059
🇺🇸 US 🇨🇦 CA
Terminal Gender: Female
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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.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1589
🇺🇸 US 🇨🇦 CA
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UNITED MOTOR PRODUCTS Fits: all 2015 XTS engines CON215
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2015 XTS engines 1P3295
🇺🇸 US 🇨🇦 CA
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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 Starter Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2425
🇺🇸 US 🇨🇦 CA
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This table covers the harness connectors at the Ignition Starter 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.

Inline Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2015 XTS engines 1P3409
🇺🇸 US 🇨🇦 CA
To Fuel Tank Harness3 Terminal, Black Housing, Purple Insert, Female Connector
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WELLS Fits: all 2015 XTS engines 1P3647
🇺🇸 US 🇨🇦 CA
Body Harness to Middle Windowwith 8 Terminal(s)
Fitment notes — WELLS 1P3647
Body Harness to Middle Windowwith 8 Terminal(s)Graywith Female 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.

Instrument Panel Cluster Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S3068
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangular
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This table covers the harness connectors at the Instrument Panel Cluster 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.

Knock / Detonation Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S934
🇺🇸 US 🇨🇦 CA
Contact Terminal Material: Metal
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UNITED MOTOR PRODUCTS Fits: all 2015 XTS engines CON191
🇺🇸 US 🇨🇦 CA
Terminal Gender: Female
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WELLS Fits: all 2015 XTS engines 1P1571
🇺🇸 US 🇨🇦 CA
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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.

Manifold Pressure (MAP) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2015 XTS engines S1038
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS S1038
Connector Shape: Rectangle
Located on Air Box
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STANDARD MOTOR PRODUCTS Popular Fits: all 2015 XTS engines S2316
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalNumber of Splice Connectors Included: 3
Fitment notes — STANDARD MOTOR PRODUCTS S2316
Connector Shape: OvalNumber of Splice Connectors Included: 3
on Intake Manifold
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DORMAN Fits: all 2015 XTS engines 645325
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — DORMAN 645325
Black
3 Way Female with LeadsSi Electrical Code B74
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HOLSTEIN Fits: all 2015 XTS engines 2HAR0060
🇺🇸 US 🇨🇦 CA
Located on Intake Manifold
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UNITED MOTOR PRODUCTS Fits: all 2015 XTS engines CON62
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 3.6L V6 1P2218
🇺🇸 US 🇨🇦 CA
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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
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2507
🇺🇸 US 🇨🇦 CA
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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.

Oil Level Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines HP4325
🇺🇸 US 🇨🇦 CA
HandypackConnector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS HP4325
HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade
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STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1024
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1024
Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade
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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 Sender / Switch Connector

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2015 XTS engines 645325
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — DORMAN 645325
Black
3 Way Female with LeadsSi Electrical Code B37B
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ROSTRA Fits: 3.6L V6 Turbocharged 610271
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 3.6L V6 Turbocharged 1P1534
🇺🇸 US 🇨🇦 CA
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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.

Park Assist (PAS) Camera Module Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2015 XTS engines 1P4156
🇺🇸 US 🇨🇦 CA
Rearwith 8 Terminals
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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 Aid Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2269
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleNumber of Splice Connectors Included: 3
Fitment notes — STANDARD MOTOR PRODUCTS S2269
Connector Shape: RectangleNumber of Splice Connectors Included: 3Front And Rear
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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 Brake Booster Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1445
🇺🇸 US 🇨🇦 CA
Wiring Harness Length (In): 17Wiring Harness Length (mm): 431.8
Fitment notes — STANDARD MOTOR PRODUCTS S1445
Wiring Harness Length (In): 17Wiring Harness Length (mm): 431.8
Sensor Connector
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WELLS Fits: all 2015 XTS engines 1P4099
🇺🇸 US 🇨🇦 CA
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This table covers the harness connectors at the Power Brake Booster. 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 Assist Motor / Module Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 20916705
🇺🇸 US 🇨🇦 CA
Luxury or Platinum or PremiumVariable Effort Power Steering (NXC)
Fitment notes — GM GENUINE 20916705
Luxury or Platinum or PremiumVariable Effort Power Steering (NXC)Except Stretch Livery Equipment (W30), Armored Body Equipment (B05), Hearse Conversion (B9Q), Limo Package (V4U)
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GM GENUINE Fits: all 2015 XTS engines 23233038
🇺🇸 US 🇨🇦 CA
CODE G5YKBelt Drive Electric Steering (NJ2)
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This table covers the harness connectors at the Power Steering Assist Motor / 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.

Power Window Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1481
🇺🇸 US 🇨🇦 CA
Rear
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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.

Radiator Fan Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1288
🇺🇸 US 🇨🇦 CA
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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.

Seat Belt Pretensioner Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2015 XTS engines 1P3978
🇺🇸 US 🇨🇦 CA
with 2 Terminals
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This table covers the harness connectors at the Seat Belt Pretensioner. 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 Amplifier Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2015 XTS engines 1P3938
🇺🇸 US 🇨🇦 CA
with 8 Terminals
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This table covers the harness connectors at the Speaker Amplifier. 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
ACDELCO Fits: all 2015 XTS engines PT2915
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO PT2915
GM Original Equipment
RearCOLLISION ALERT INDICATORSSI Electric Code: P434-WAY FEMALE BLACK
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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.

Starter Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1029
🇺🇸 US 🇨🇦 CA
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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 Wheel Position Sensor Connector

Brand Part Number Markets Notes Buy
WELLS Fits: all 2015 XTS engines 1P3383
🇺🇸 US 🇨🇦 CA
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
WELLS Fits: all 2015 XTS engines 1P3941
🇺🇸 US 🇨🇦 CA
with 6 Terminal(s)Sunshade
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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.

Temperature Sender / Sensor Connector

Brand Part Number Markets Notes Buy
HOLSTEIN Fits: all 2015 XTS engines 2HAR0036
🇺🇸 US 🇨🇦 CA
Includes ABS Wheel Speed Sensor Wire Harness
Fitment notes — HOLSTEIN 2HAR0036
Includes ABS Wheel Speed Sensor Wire Harness
Located on water outlet
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STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1686
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalBlack
Fitment notes — STANDARD MOTOR PRODUCTS S1686
Connector Shape: OvalBlackIncludes Wheel Speed Sensor Wiring Harness, ABS Wheel Speed Sensor Wire Harness
On Water Outlet
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ULTRA-POWER Fits: 3.6L V6 2111500
🇺🇸 US 🇨🇦 CA
Coolant Temperature Sensor Connector
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WALKER PRODUCTS Fits: 3.6L V6 2111500
🇺🇸 US 🇨🇦 CA
Terminal Quantity: 2Includes O-Ring
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WELLS Fits: 3.6L V6 Turbocharged 1P3395
🇺🇸 US 🇨🇦 CA
Located in Radiator
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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 Control Actuator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2409
🇺🇸 US 🇨🇦 CA
Gender: MaleHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S2409
Gender: MaleHarness Lengthinches: 12.5
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This table covers the harness connectors at the Throttle Control 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.

Vapor Canister Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2015 XTS engines HP3945
🇺🇸 US 🇨🇦 CA
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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ACDELCO Fits: all 2015 XTS engines PT2160
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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HOLSTEIN Fits: all 2015 XTS engines 2HAR0035
🇺🇸 US 🇨🇦 CA
Includes ABS Wheel Speed Sensor Wire Harness
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STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S824
🇺🇸 US 🇨🇦 CA
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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WELLS Fits: all 2015 XTS engines 1P1344
🇺🇸 US 🇨🇦 CA
Terminal Type: BladeWiring Harness Length: 8.5 In
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This table covers the harness connectors at the Vapor Canister. 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
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1414
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleTerminal Type: Blade
Fitment notes — STANDARD MOTOR PRODUCTS S1414
Connector Shape: RectangleTerminal Type: BladeWiring Harness Length (mm): 476.25
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WELLS Fits: all 2015 XTS engines 1P2045
🇺🇸 US 🇨🇦 CA
Wiring Harness Length: 17.0 In
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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
STANDARD MOTOR PRODUCTS Popular Fits: all 2015 XTS engines HP3945
🇺🇸 US 🇨🇦 CA
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: all 2015 XTS engines S824
🇺🇸 US 🇨🇦 CA
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: all 2015 XTS engines PT2160
🇺🇸 US 🇨🇦 CA
GoldShape: Square
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HOLSTEIN Fits: all 2015 XTS engines 2HAR0035
🇺🇸 US 🇨🇦 CA
Includes ABS Wheel Speed Sensor Wire Harness
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ROSTRA Fits: all 2015 XTS engines 610294
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2015 XTS engines 1P2038
🇺🇸 US 🇨🇦 CA
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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 Valve Timing (VVT) Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1716
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalWire Gauge (GA): 14
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WALKER PRODUCTS Fits: all 2015 XTS engines 2701102
🇺🇸 US 🇨🇦 CA
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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 Pump Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S2279
🇺🇸 US 🇨🇦 CA
Front
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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.

Wiper Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2015 XTS engines S1423
🇺🇸 US 🇨🇦 CA
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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.

Buying Electrical Connector Parts for a 2015 Cadillac XTS

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. Some electrical connector parts fit every engine; others are 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: ABS Wheel Speed Sensor Connector and Fuel Injector Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2015 Cadillac XTS?

Our catalog currently lists 115 electrical connector parts for the 2015 Cadillac XTS across 50 subcategories and 13 brands, covering both the 3.6L V6 and the 3.6L V6 Turbocharged. Each part is matched to the engine(s) it fits.

Do electrical connector parts differ between 2015 Cadillac XTS engines?

Some do. 96 parts fit every engine; the other 19 are engine-specific. Each row (and the filter at the top) shows which. 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 2015 Cadillac XTS?

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 2015 Cadillac XTS 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 2015 Cadillac XTS?

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 2015 Cadillac XTS

Electrical Connector Parts for Other Cadillac XTS Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.