GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Brake Fluid Level Indicator Sensor

Right side of the brake fluid reservoir

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Brake Modulator

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

Antilock Brake System Component Views

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Cruise Control Module

Engine compartment, near the left strut tower

Cruise Control Component Views

Cruise Control Connector End Views

Data Link Connector (DLC)

Below the steering column, bottom of the knee bolster

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake Control Module (EBCM)

Lower left side of the engine compartment

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Brake Control Relay

Part of EBCM

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Fuse Block

Right side of the IP, in the right front door opening

Power and Grounding Component Views

Electrical Center Identification Views

Fusible Link Z

Bolted to the starter solenoid

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Instrument Cluster

Left side of the IP

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Left Front Wheel Speed Sensor

Part of the left front hub assembly

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Left Rear Wheel Speed Sensor

Part of the left rear hub assembly

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Powertrain Control Module (PCM)

Engine compartment, secured in the air cleaner assembly

Engine Controls Component Views

Engine Controls Connector End Views

Rear Window Wiper/Washer and Multi-function Switch (Fog Lamp/TCC Switch)

Part of the rear window wiper/washer and multi-function switch

Wiper/Washer Component Views

Lighting Systems Connector End Views

Right Front Wheel Speed Sensor

Part of the right front hub assembly

Antilock Brake System Connector End Views

Antilock Brake System Connector End Views

Right Rear Wheel Speed Sensor

Part of the right rear hub assembly

Antilock Brake System Connector End Views

Antilock Brake System Connector End Views

Splice Pack SP205

Below the steering column, bottom of the knee bolster

Data Link Communications Component Views

Data Link Communications Connector End Views

Stop Lamp Switch

Mounted to the brake pedal support

Cruise Control Component Views

Lighting Systems Connector End Views

Underhood Accessory Wiring Junction Block

Engine compartment, front of the right wheelhouse, above the battery

Power and Grounding Component Views

Power and Grounding Connector End Views

C101 (20 cavities)

IP wiring harness to the engine wiring harness, in the lower left side of the engine compartment, near the EBCM

Harness Routing Views

Inline Harness Connector End Views

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

Inline Harness Connector End Views

C172 (2 cavities)

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

Harness Routing Views

Inline Harness Connector End Views

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

Inline Harness Connector End Views

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

Inline Harness Connector End Views

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

Inline Harness Connector End Views

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

Inline Harness Connector End Views

G114

Engine compartment, left and above the starter, near the starter solenoid

Harness Routing Views

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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

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P100

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

Harness Routing Views

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P101

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

Harness Routing Views

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S108

Engine harness, front left side of the engine compartment approximately 8 cm (3 in) from the PCM breakout

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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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S230

IP harness, right side of the IP approximately 4 cm (2 in) from the rear window wiper/washer and multi-function switch breakout

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S242

IP harness, left side of the IP approximately 14 cm (6 in) from the radio and the rear window wiper/washer and multi-function switch breakout

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