2005 Toyota Highlander Electrical Connector Parts

Engine:
2.4L L4

This page lists 101 electrical connector parts for the 2005 Toyota Highlander, across 41 part types, covering the 2.4L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.

On the 2005 Toyota Highlander, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 25 parts of the 101 listed are ABS Wheel Speed Sensor Connector (12 parts), Trailer Connector (8 parts) and Blower Motor Control Module / Resistor Connector (5 parts). The other 38 part types cover the remaining 76 parts.

A/C Compressor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2541
🇺🇸 US 🇨🇦 CA
with 3 Male Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS S2539
🇺🇸 US 🇨🇦 CA
with 3 Female Terminals
View on
Amazon

This table covers the harness connectors at the A/C Compressor. 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 Compressor Relay Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS 37210
🇺🇸 US 🇨🇦 CA
5 Terminal Femalewithout Mounting Tab
Fitment notes — FOUR SEASONS 37210
5 Terminal Femalewithout Mounting TabClutch Control Relay Connector
View on
Amazon
GPD 1711658
🇺🇸 US 🇨🇦 CA
Female 5 Terminalwithout Mounting Tab
Fitment notes — GPD 1711658
Female 5 Terminalwithout Mounting TabClutch Control Relay PigtailClutch Control Relay Connector
View on
Amazon

This table covers the harness connectors at the A/C Compressor 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 Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S1536
🇺🇸 US 🇨🇦 CA
Connector Shape: PolygonWire Gauge (GA): 8, 16
Fitment notes — STANDARD MOTOR PRODUCTS S1536
Connector Shape: PolygonWire Gauge (GA): 8, 16black
View on
Amazon
UNITED MOTOR PRODUCTS CON28
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the ABS 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

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular S3115
🇺🇸 US 🇨🇦 CA
Rear
View on
Amazon
STANDARD MOTOR PRODUCTS Popular S3021
🇺🇸 US 🇨🇦 CA
Harness LengthInches: 18.5
Fitment notes — STANDARD MOTOR PRODUCTS S3021
Harness LengthInches: 18.5
FrontAWD
View on
Amazon
ULTRA-POWER Popular 1P2163
🇺🇸 US 🇨🇦 CA
ABS ConnectorRear Right
Fitment notes — ULTRA-POWER 1P2163
ABS ConnectorRear RightSensor Wire Harness
View on
Amazon
BECK/ARNLEY 0844875
🇺🇸 US 🇨🇦 CA
Rear LeftFWD
View on
Amazon
BECK/ARNLEY 0844876
🇺🇸 US 🇨🇦 CA
Rear RightFWD
View on
Amazon
HOLSTEIN 2ABS3059
🇺🇸 US 🇨🇦 CA
Rear Left
View on
Amazon
HOLSTEIN 2ABS0953
🇺🇸 US 🇨🇦 CA
Rear Right
View on
Amazon
STANDARD MOTOR PRODUCTS ALH142
🇺🇸 US 🇨🇦 CA
Rear RightFWD
View on
Amazon
STANDARD MOTOR PRODUCTS ALH150
🇺🇸 US 🇨🇦 CA
Rear LeftFWD
View on
Amazon
ULTRA-POWER 1P2160
🇺🇸 US 🇨🇦 CA
ABS ConnectorRear Left
Fitment notes — ULTRA-POWER 1P2160
ABS ConnectorRear LeftSensor Wire Harness
View on
Amazon
WELLS 1P2160
🇺🇸 US 🇨🇦 CA
Rear Left
View on
Amazon
WELLS 1P2163
🇺🇸 US 🇨🇦 CA
Rear Right
View on
Amazon

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 S2817
🇺🇸 US 🇨🇦 CA
View on
Amazon

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.

Alternator / Generator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2548
🇺🇸 US 🇨🇦 CA
View on
Amazon

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
STANDARD MOTOR PRODUCTS S986
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P2653
🇺🇸 US 🇨🇦 CA
Externally Mounted
View on
Amazon

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.

Blower Motor Control Module / Resistor Connector

Brand Part Number Markets Notes Buy
WELLS Popular 1P2663
🇺🇸 US 🇨🇦 CA
Frontwithout Automatic Temperature Control
View on
Amazon
FOUR SEASONS 37258
🇺🇸 US 🇨🇦 CA
4 Terminal MaleSquare Connector
View on
Amazon
HOLSTEIN 2HAR0048
🇺🇸 US 🇨🇦 CA
Front
View on
Amazon
STANDARD MOTOR PRODUCTS S2117
🇺🇸 US 🇨🇦 CA
Connector Shape: Square
Fitment notes — STANDARD MOTOR PRODUCTS S2117
Connector Shape: Square
Front
View on
Amazon
WELLS 1P2645
🇺🇸 US 🇨🇦 CA
Frontwith Automatic temperature control
View on
Amazon

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.

Blower Motor Relay Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS 70059
🇺🇸 US 🇨🇦 CA
5 Terminal MaleRelay Harness Connector
View on
Amazon

This table covers the harness connectors at the Blower 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.

Camshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2326
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P3838
🇺🇸 US 🇨🇦 CA
with 2 Terminals
View on
Amazon

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 S2326
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P3838
🇺🇸 US 🇨🇦 CA
with 2 Terminals
View on
Amazon

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.

Defroster Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS HP3810
🇺🇸 US 🇨🇦 CA
HandypackConnector Shape: Polygon
Fitment notes — STANDARD MOTOR PRODUCTS HP3810
HandypackConnector Shape: PolygonLength (In): 1Black
View on
Amazon
STANDARD MOTOR PRODUCTS S654
🇺🇸 US 🇨🇦 CA
Connector Shape: PolygonLength (In): 1
Fitment notes — STANDARD MOTOR PRODUCTS S654
Connector Shape: PolygonLength (In): 1Wire Gauge (GA): 12black
View on
Amazon
UNITED MOTOR PRODUCTS CON123
🇺🇸 US 🇨🇦 CA
Terminal Gender: FemaleTerminal Type: Spade
View on
Amazon

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 Lock Actuator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2828
🇺🇸 US 🇨🇦 CA
Rear
View on
Amazon

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.

Fog / Driving Lamp Connector

Brand Part Number Markets Notes Buy
ROSTRA 610004
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 6S1046
🇺🇸 US 🇨🇦 CA
View on
Amazon

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 5188
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS S2328
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangular, OvalTerminal Quantity: 2
View on
Amazon

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
STANDARD MOTOR PRODUCTS 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
View on
Amazon
UNITED MOTOR PRODUCTS CON30
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P4004
🇺🇸 US 🇨🇦 CA
View on
Amazon

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 Tank Pressure Sensor Connector

Brand Part Number Markets Notes Buy
ROSTRA 610604
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P2658
🇺🇸 US 🇨🇦 CA
View on
Amazon

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
STANDARD MOTOR PRODUCTS F90008
🇺🇸 US 🇨🇦 CA
High Temperature
Fitment notes — STANDARD MOTOR PRODUCTS F90008
High Temperature
with 9005 Bulb
View on
Amazon
STANDARD MOTOR PRODUCTS F90009
🇺🇸 US 🇨🇦 CA
High Temperature
Fitment notes — STANDARD MOTOR PRODUCTS F90009
High Temperature
with 9006 or 9006XS Bulb
View on
Amazon
STANDARD MOTOR PRODUCTS LWH106
🇺🇸 US 🇨🇦 CA
Blue StreakHigh Temperature
Fitment notes — STANDARD MOTOR PRODUCTS LWH106
Blue StreakHigh Temperature
with 9005 Bulb
View on
Amazon
STANDARD MOTOR PRODUCTS LWH107
🇺🇸 US 🇨🇦 CA
Blue StreakHigh Temperature
Fitment notes — STANDARD MOTOR PRODUCTS LWH107
Blue StreakHigh Temperature
with Bulb # 9006
View on
Amazon

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.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular S2527
🇺🇸 US 🇨🇦 CA
Complete Assembly
View on
Amazon
FVP UF333F
🇺🇸 US 🇨🇦 CA
Built in Japan
View on
Amazon
STANDARD MOTOR PRODUCTS S3291
🇺🇸 US 🇨🇦 CA
with Housing
View on
Amazon
UNITED MOTOR PRODUCTS CON208
🇺🇸 US 🇨🇦 CA
For Vehicle Built In Japan
View on
Amazon
WALKER PRODUCTS 2701082
🇺🇸 US 🇨🇦 CA
View on
Amazon

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.

Knock / Detonation Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2328
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangular, OvalTerminal Quantity: 2
View on
Amazon

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.

Mass Air Flow (MAF) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S935
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangle
View on
Amazon
UNITED MOTOR PRODUCTS CON192
🇺🇸 US 🇨🇦 CA
View on
Amazon

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 1P1143
🇺🇸 US 🇨🇦 CA
Terminal Quantity: 5Wiring Harness Length: 12.0 In
Fitment notes — WELLS 1P1143
Terminal Quantity: 5Wiring Harness Length: 12.0 In
with 5 Terminals, with T shaped Connector Plug-In
View on
Amazon

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.

Oil Pressure Sender / Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2538
🇺🇸 US 🇨🇦 CA
Graywith 1 Female Terminals
View on
Amazon

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
WELLS 1P1474
🇺🇸 US 🇨🇦 CA
Universal Type
View on
Amazon

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.

Parking / Turn Signal Lamp Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2537
🇺🇸 US 🇨🇦 CA
Front
View on
Amazon

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.

Radiator Fan Relay Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS 37210
🇺🇸 US 🇨🇦 CA
5 Terminal Femalewithout Mounting Tab
View on
Amazon
STANDARD MOTOR PRODUCTS HP3810
🇺🇸 US 🇨🇦 CA
HandypackConnector Shape: Polygon
Fitment notes — STANDARD MOTOR PRODUCTS HP3810
HandypackConnector Shape: PolygonLength (In): 1Black
View on
Amazon
STANDARD MOTOR PRODUCTS S654
🇺🇸 US 🇨🇦 CA
Connector Shape: PolygonLength (In): 1
Fitment notes — STANDARD MOTOR PRODUCTS S654
Connector Shape: PolygonLength (In): 1Wire Gauge (GA): 12black
View on
Amazon
UNITED MOTOR PRODUCTS CON123
🇺🇸 US 🇨🇦 CA
Terminal Gender: FemaleTerminal Type: Spade
View on
Amazon

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 Popular 701761
🇺🇸 US 🇨🇦 CA
TURBOWireWire Harness
Fitment notes — METRA 701761
TURBOWireWire HarnessFor Aftermarket Radio
Plugs Into Car Harness At RadioFor Power/4-Speaker
View on
Amazon
METRA 708113
🇺🇸 US 🇨🇦 CA
TURBOWireAmp Integration Wire Harness
Fitment notes — METRA 708113
TURBOWireAmp Integration Wire HarnessIncludes RCA PlugsFor Aftermarket Radio
Plugs Into Car Harness At Radio
View on
Amazon
METRA 711761
🇺🇸 US 🇨🇦 CA
TURBOWireRepair Wire Harness
Fitment notes — METRA 711761
TURBOWireRepair Wire HarnessFor OEM Radio
Plugs Into OEM RadioFor Power/4-Speaker
View on
Amazon
METRA 708114
🇺🇸 US 🇨🇦 CA
TURBOWireWire Harness
Fitment notes — METRA 708114
TURBOWireWire Harness
SWC Harnesswith RCA Plugs
View on
Amazon
METRA 708116
🇺🇸 US 🇨🇦 CA
TurbowireAmp Bypass Wire Harness
Fitment notes — METRA 708116
TurbowireAmp Bypass Wire HarnessIncludes Part Number 70-8113, Power WiresFor Aftermarket Radio
without RCA Plugs204" Long
View on
Amazon

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.

Shift Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S3266
🇺🇸 US 🇨🇦 CA
3 Way Solenoid No. 1
View on
Amazon

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.

Speaker Connector

Brand Part Number Markets Notes Buy
METRA 728104
🇺🇸 US 🇨🇦 CA
TURBOWireSpeaker Harness
Fitment notes — METRA 728104
TURBOWireSpeaker Harness
Requires 1 Kit Per Pair Speakers
View on
Amazon

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
STANDARD MOTOR PRODUCTS S1530
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1530
Connector Shape: OvalHarness LengthInches: 17Splice Connectors Included: Noblack
Transmission Output
View on
Amazon
UNITED MOTOR PRODUCTS CON26
🇺🇸 US 🇨🇦 CA
Transmission Output
View on
Amazon
WELLS 1P1876
🇺🇸 US 🇨🇦 CA
Fits with 2 Terminal(s)Transmission Outputor Keyway On Bottom Right of Connector
Fitment notes — WELLS 1P1876
Fits:
with 2 Terminal(s)Transmission Outputor Keyway On Bottom Right of Connectorwith 2 Terminal(s)Blackwith Female ConnectorTransmission SpeedAutomatic trans.
View on
Amazon

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 S2549
🇺🇸 US 🇨🇦 CA
View on
Amazon

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.

Tail Lamp Assembly Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S3143
🇺🇸 US 🇨🇦 CA
View on
Amazon

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
WELLS Popular 1P1562
🇺🇸 US 🇨🇦 CA
View on
Amazon
FOUR SEASONS 37288
🇺🇸 US 🇨🇦 CA
2 Terminal Male
View on
Amazon
ROSTRA 610189
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS S1923
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleWiring Harness Length (mm): 508
View on
Amazon
UNITED MOTOR PRODUCTS CON171
🇺🇸 US 🇨🇦 CA
Terminal Gender: Female
View on
Amazon

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 S2817
🇺🇸 US 🇨🇦 CA
View on
Amazon

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.

Trailer Connector

Brand Part Number Markets Notes Buy
ACDELCO Popular TC177
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO TC177
Gold
with 7 Way
View on
Amazon
STANDARD MOTOR PRODUCTS Popular TC424
🇺🇸 US 🇨🇦 CA
Trailer/Vehicle Side: Vehicle and Trailer Side
Fitment notes — STANDARD MOTOR PRODUCTS TC424
Trailer/Vehicle Side: Vehicle and Trailer Side
with 7 Way
View on
Amazon
CURT 55245
🇺🇸 US 🇨🇦 CA
Custom Wiring Connector4-Way Flat
Fitment notes — CURT 55245
Custom Wiring Connector4-Way Flat
2-Wire System
View on
Amazon
CURT 56107
🇺🇸 US 🇨🇦 CA
Custom Wiring Connector4-Way Flat
Fitment notes — CURT 56107
Custom Wiring Connector4-Way FlatCircuit Protected And Powered
3-Wire System
View on
Amazon
CURT 55400
🇺🇸 US 🇨🇦 CA
Custom Wiring Harness4-Way Flat
Fitment notes — CURT 55400
Custom Wiring Harness4-Way FlatCircuit Protected And Powered
3-Wire SystemConnects Behind Driver/Passenger Side Rear Access Panel
View on
Amazon
STANDARD MOTOR PRODUCTS TC423
🇺🇸 US 🇨🇦 CA
6 Way
View on
Amazon
WELLS 4T1185
🇺🇸 US 🇨🇦 CA
Taillight Converter, Used on vehicles which have a separate bulb for turn signals.
Fitment notes — WELLS 4T1185
Taillight Converter, Used on vehicles which have a separate bulb for turn signals.
4 Pin, Universal Connector with Taillight Converter
View on
Amazon
WELLS 4T1165
🇺🇸 US 🇨🇦 CA
7 Pin RV Type to 4 Pin Flat Adapter48" Lead Wire
Fitment notes — WELLS 4T1165
7 Pin RV Type to 4 Pin Flat Adapter48" Lead Wire
7 Pin RV Type to 4 Pin Flat Adapter
View on
Amazon

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.

Trailer Wire Converter

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS TC466
🇺🇸 US 🇨🇦 CA
with Converterwith 4 Way
View on
Amazon

This table covers the Trailer Wire converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.

Turn Signal Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2537
🇺🇸 US 🇨🇦 CA
Front
View on
Amazon

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
STANDARD MOTOR PRODUCTS S1530
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S1530
Connector Shape: OvalHarness LengthInches: 17Splice Connectors Included: Noblack
View on
Amazon
UNITED MOTOR PRODUCTS CON26
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P1876
🇺🇸 US 🇨🇦 CA
Keyway On Bottom Right Of Connectorwith 2 Terminals
Fitment notes — WELLS 1P1876
Keyway On Bottom Right Of Connectorwith 2 TerminalsBlackwith Female Connector
View on
Amazon

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.

Variable Valve Timing (VVT) Solenoid Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S1716
🇺🇸 US 🇨🇦 CA
Connector Shape: OvalWire Gauge (GA): 14
View on
Amazon
WALKER PRODUCTS 2701102
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P1680
🇺🇸 US 🇨🇦 CA
View on
Amazon

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 S3083
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangle
View on
Amazon

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 S1423
🇺🇸 US 🇨🇦 CA
Front Unit
View on
Amazon

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 2005 Toyota Highlander

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

  • Confirm you have the 2.4L L4 engine — every part on this page is matched to it.
  • 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 Trailer Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2005 Toyota Highlander?

Our catalog currently lists 101 electrical connector parts for the 2005 Toyota Highlander across 41 subcategories and 15 brands, covering the 2.4L L4 engine. Each part is matched to the engine(s) it fits.

What are the signs of electrical connector problems on a 2005 Toyota Highlander?

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 Toyota Highlander 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 Toyota Highlander?

Every part on this page is matched to the 2.4L L4 engine. 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 Toyota Highlander

Electrical Connector Parts for Other Toyota Highlander Years

Switch vehicle or jump to a subcategory

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.