GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Auxiliary Underhood Accessory Wiring Junction Block (w/ NC1)

RH side of the engine compartment, mounted to the strut tower, next to the underhood accessory wiring junction block

Power and Grounding Component Views in Wiring Systems

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Brake Pressure Modulator Valve (BPMV)

On the rear LH side of the engine compartment, next to the master cylinder, attached to the electronic brake control module (EBCM)

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Brake Pressure Sensor (w/ JL4)

Mounted on the brake pressure modulator valve (BPMV)

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Antilock Brake System Connector End Views

Data Link Connector (DLC)

Below the LH side of the IP, right of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Communications

Electronic Brake Control Module (EBCM)

Left side of the engine compartment, part of the brake pressure modulator valve (BPMV)

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Traction Control Switch

Center console, behind the automatic transmission control lever handle

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Fuse Block

RH side of the IP, in the RF door opening

Power and Grounding Component Views in Wiring Systems

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Instrument Cluster

Top of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

Magnasteer Actuator

On the RH side of the steering gear

Steering Assist Component Views in Variable Effort Steering

Steering Assist Connector End Views in Variable Effort Steering

Powertrain Control Module (PCM)

Front LH side of the engine compartment, inside the air cleaner assembly

Engine Controls Component Views in Engine Controls - 3.5L

Powertrain Control Module Connector End Views in Engine Controls - 3.5L

Splice Pack SP205

Below the IP, taped in the harness, approximately 10 cm (4 in) from the data link connector (DLC) breakout

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Steering Angle Sensor (w/ JL4)

LH lower side of the IP, on the bottom of the steering column

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Antilock Brake System Connector End Views

Stop Lamp Switch

Below the LH side of the IP, on the right side of the brake pedal bracket

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Vehicle Yaw/Lateral Accelerometer Sensor (w/ JL4)

Inside the center console, between the automatic transaxle gear selector and the console storage compartment

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Underhood Accessory Wiring Junction Block

RH of the engine compartment, mounted to the strut tower

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Wheel Speed Sensor, Front

Inside the front wheel hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor, Rear

Inside the rear wheel hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

C101

IP wiring harness to engine wiring harness, LH side of the engine compartment, near the strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C171

IP wiring harness to LF wheel speed sensor jumper harness, at the LF suspension lower control arm

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C172

IP wiring harness to RF wheel speed sensor jumper harness, at the RF suspension lower control arm

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C183

IP wiring harness to engine wiring harness, LH side of the engine compartment, near the strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

IP wiring harness to body wiring harness, behind the RH side of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C405

Body wiring harness to the fuel tank wiring harness, rear compartment floor, forward of the spare tire well

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G119

LH side of the engine compartment, at the base of the left strut tower

Harness Routing Views in Wiring Systems

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G201

Below the IP, LH side of the steering column

Harness Routing Views in Wiring Systems

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G203

Below the IP, RH side of the steering column

Harness Routing Views in Wiring Systems

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P101

Upper left side of the IP, at the bulkhead

Harness Routing Views in Wiring Systems

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S183

Engine wiring harness, LR side of engine compartment, approximately 8 cm (3 in) from the EBCM harness breakout

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S184

Engine wiring harness, LF side of engine compartment, approximately 9.5 cm (4 in) from the A/C refrigerant pressure sensor harness breakout

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S205

IP wiring harness, near the steering column, approximately 17 cm (7 in) from the C201 breakout

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S211

IP wiring harness, behind the instrument cluster, approximately 8 cm (3 in) from the instrument cluster breakout

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S232

IP wiring harness, approximately 13 cm (5 in.) from the steering column inline C201 harness breakout

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