GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Brake Modulator

Left side of the engine compartment, mounted to the brake master cylinder

Antilock Brake System Component Views in ABS/Traction Control

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Brake Motor

Left side of the engine compartment, part of the brake modulator, mounted to the brake master cylinder

Antilock Brake System Component Views in ABS/Traction Control

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Data Link Connector (DLC)

Below the steering column, bottom of the knee bolster

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)

Left side of the IP, above the parking cable bracket

Antilock Brake System Component Views in ABS/Traction Control

Antilock Brake System Connector End Views in ABS/Traction Control

Electronic Brake Control Relay

Above the park brake cable bracket, mounted to the electronic brake control module/electronic brake traction control module

Antilock Brake System Component Views in ABS/Traction Control

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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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Fusible Link Z

Bolted to the starter solenoid

Automatic Transmission Electronic Component Views in Automatic Transmission

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Instrument Cluster

Left side of the IP

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

Left Front Brake Solenoid Valve

Left side of the engine compartment, part of the brake modulator, mounted to the brake master cylinder

Antilock Brake System Component Views in ABS/Traction Control

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Left Front Wheel Speed Sensor

Part of the left front hub assembly

Antilock Brake System Component Views in ABS/Traction Control

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Left Rear Wheel Speed Sensor

Part of the left rear hub assembly

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Malfunction Indicator Lamp Traction Control Module

Behind the park brake cable bracket

Antilock Brake System Component Views in ABS/Traction Control

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Powertrain Control Module (PCM)

Engine compartment, secured in the air cleaner assembly

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Rear Window Wiper/Washer and Multi-function Switch

Center of the IP, below the radio

Wiper/Washer Component Views in Wipers/Washer Systems

Wiper/Washer Connector End Views in Wipers/Washer Systems

Right Front Brake Solenoid Valve

Left side of the engine compartment, part of the brake modulator, mounted to the brake master cylinder

Antilock Brake System Component Views in ABS/Traction Control

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Right Front Wheel Speed Sensor

Part of the right front hub assembly

Antilock Brake System Component Views in ABS/Traction Control

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Right Rear Wheel Speed Sensor

Part of the right rear hub assembly

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Starter Motor

Lower front of the engine

Automatic Transmission Electronic Component Views in Automatic Transmission

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Starter Solenoid

Lower front of the engine, part of the starter motor assembly

Automatic Transmission Electronic Component Views in Automatic Transmission

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Stop Lamp Switch

Mounted to the brake pedal support

Antilock Brake System Component Views in ABS/Traction Control

Cruise Control Connector End Views in Cruise Control

Traction Control Motor Pack

Left side of the engine compartment, behind the air cleaner assembly

Antilock Brake System Component Views in ABS/Traction Control

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Traction Control Switch (TCS)

Part of the rear window wiper/washer and multi-function switch, center of the IP, below the radio

Wiper/Washer Component Views in Wipers/Washer Systems

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C101 (10 cavities)

IP wiring harness to the engine wiring harness, in the lower left side of the engine compartment, next to C103 and C181

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C103 (2 cavities)

IP wiring harness to the engine wiring harness, in the lower left side of the engine compartment, next to C101 and C181

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C171 (2 cavities)

IP wiring harness to the left wheel speed sensor wiring harness, below the air cleaner assembly, mounted to the left inner fender

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C172 (2 cavities)

IP wiring harness to the right wheel speed sensor wiring harness, below the windshield fluid reservoir

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (56 cavities)

IP wiring harness to the left side of the body wiring harness, left side of the steering column, below P101

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (12 cavities)

Body wiring harness to the electronic brake control wiring harness and fuel sender wiring harness, mounted as a pass through, beneath the vehicle behind the driver seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C306 (2 cavities)

Electronic brake control wiring harness to the right rear wheel speed sensor wiring harness, under the right side of the vehicle, front of the right rear wheel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C309 (2 cavities)

Electronic Brake control wiring harness to the left rear wheel speed sensor wiring harness, under the left side of the vehicle, front of the left rear wheel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

Right side of the IP, secured on the underside of the cross car beam, left of the heater-A/C vent

Harness Routing Views in Wiring Systems

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G201

Left side of the IP, secured on the underside of the cross car beam, above the park brake assembly

Harness Routing Views in Wiring Systems

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P100

On the right side of the bulkhead, left of the right strut tower

Harness Routing Views in Wiring Systems

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P101

On the left side of the bulkhead, right of the left strut tower

Harness Routing Views in Wiring Systems

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S205

IP harness, left side of the IP approximately 8 cm (3 in) from the hazard lamp/turn signal flasher breakout

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S207

IP harness, left side of IP approximately 4 cm (2 in) from the hazard lamp/turn signal flasher breakout

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S209

IP harness, center of the IP approximately 8 cm (3 in) from the security indicator lamp breakout

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S211

IP harness, left side of the IP approximately 18 cm (7 in) from the radio and the rear window wiper/washer and multi-function switch breakout

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S230

IP harness, right side of the IP approximately 4 cm (2 in) from the radio breakout

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S235

IP harness, left side of the IP approximately 21 cm (8 in) from P101

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S236

Below left side of IP, near park brake

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S237

IP harness, right side of the IP approximately 4 cm (2 in) from the C203 breakout

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S239

IP harness, right side of the IP approximately 8 cm (3 in) from the C203 breakout

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S279

IP harness, RH side of IP approximately 12 cm (5 in) from hazard lamp/turn signal flasher breakout

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