GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Below the left side IP, left of the steering column

Body Control Module Components in Body Control System

Body Control System Connector End Views in Body Control System

Brake Fluid Level Indicator Switch

Mounted in the right side of the brake fluid reservoir

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

Brake Pressure Modulator Valve

Rear left side of engine compartment, near the master cylinder

Antilock Brake System Component Views

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Data Link Connector (DLC)

Below the left 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 Link Communications

Electronic Brake Control Module/Electronic Brake Traction Control Module (EBCM/EBTCM)

Rear left side of engine compartment, combined with the brake pressure modulator valve (BPMV), that is connected in the front of the brake master cylinder

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Traction Control and Fog Lamp Switch Assembly

Front of the IP, left side of the steering column, below the headlamp switch assembly

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Fuse Block

Right side of the IP, in the right front 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 System

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

Powertrain Control Module (PCM)

Front left side of the engine, inside the air cleaner assembly

Engine Controls Component Views in Engine Controls - 2.5L (LB8) and 3.0L (L46)

Powertrain Control Module Connector End Views in Engine Controls - 2.5L (LB8) and 3.0L (L46)

Splice Pack SP205

Below the IP, right side of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Stop Lamp Switch

Below the left 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

Underhood Accessory Wiring Junction Block

Right side 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, Left Front

Inside the left front wheel hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor, Left Rear

Inside the left rear wheel hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor, Right Front

Inside the right front wheel hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor, Right Rear

Inside the right rear wheel hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

C101 (20 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C171 (2 cavities)

Engine wiring harness to the left front electronic brake control wiring harness, left front lower control arm

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C172 (2 cavities)

Engine wiring harness to the right front electronic brake control wiring harness, right front lower control arm

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (56 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C371 (2 cavities)

Body wiring harness to the left rear electronic brake control wiring harness, below the vehicle forward of the left rear wheel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C372 (2 cavities)

Body wiring harness to the right rear electronic brake control wiring harness, below the vehicle, forward of the right rear wheel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G119

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

Harness Routing Views in Wiring Systems

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G203

Below the IP, right side of the steering column

Harness Routing Views in Wiring Systems

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P100

Lower right side of the dash panel

Harness Routing Views in Wiring Systems

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P101

Upper left side of the dash panel

Harness Routing Views in Wiring Systems

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P371

Behind the lower left side of the rear seat

Harness Routing Views in Wiring Systems

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P372

Behind the lower right side of the rear seat

Harness Routing Views in Wiring Systems

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S205

IP wiring harness, left side of the steering column, approximately 8 cm (3 in) from the stop lamp switch breakout

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S211

IP wiring harness, left side of the steering column, approximately 20 cm (8 in) from the instrument cluster breakout

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