GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Automatic Level Control Sensor

Attached to the RH side of the rear differential

Automatic Level Control Component Views in Automatic Level Control

Automatic Level Control Connector End Views in Automatic Level Control

Battery

LH front of the engine compartment

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Data Link Connector (DLC)

Attached to the I/P carrier, to the left of the steering column

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Power and Grounding Connector End Views in Wiring Systems

Electronic Brake/Traction Control Module (EBTCM)

LH front of the engine compartment, mounted to the lower rail

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Traction Control Switch

Center of the I/P, to the right of the heater and A/C control

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Engine Control Module (ECM)

LH front of the engine compartment, in the ECM housing, at position 1

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Front Wheel Speed Sensor (LH)

Attached to the LH steering knuckle

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Front Wheel Speed Sensor (RH)

Attached to the RH steering knuckle

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Fuse Block

Mounted to the I/P, lower LH side of the steering column

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Gauge Cluster

LH side of the I/P, just to the left and above the heater and A/C control

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

Heater and A/C Control

Center of the I/P, above the radio

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

HVAC Connector End Views in HVAC Systems

Instrument Cluster

LH side of the I/P, above the steering column

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

Power Distribution Fuse Block

LH front of the engine compartment, attached to the ECM housing, above the battery

Power and Grounding Component Views in Wiring Systems

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Power Steering Control Module

Underneath the LH side of the I/P

Power and Grounding Component Views in Wiring Systems

Steering Assist Connector End Views in Variable Effort Steering

Rear Wheel Speed Sensor (LH)

Mounted inboard on the LH side of the rear axle differential

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Rear Wheel Speed Sensor (RH)

Mounted inboard on the RH side of the rear axle differential

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Stop Lamp Switch

Attached to the brake pedal

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Lighting Systems Connector End Views in Lighting Systems

Sun Roof Actuator

Front center of the roof, above the inside rear view mirror

Power Roof Systems Component Views in Roof

Power Roof Systems Connector End Views in Roof

Theft Deterrent Module

Mounted to the ignition switch on the upper RH side of the steering column

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Theft Deterrent System Connector End Views in Theft Deterrent

C200A

I/P wiring harness to body wiring harness, at lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200B

I/P wiring harness to body wiring harness, at lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103

Body and I/P wiring harnesses, located at the LH front of the engine compartment, near C102, C105, and C106

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P101

Approximately 31 cm (13 in) from the RH front wheel speed sensor

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P102

Lower RH corner of the engine compartment

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P103

Lower LH A-pillar, forward of G200

Power and Grounding Component Views in Wiring Systems

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P104

In the LH engine compartment, in the ECM housing

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P106

RH rear engine compartment

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P107

Approximately 34 cm (14 in) from the LH front wheel speed sensor

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P108

In the LH engine compartment, at the rear of the ECM housing

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P110

Rear LH corner of the engine compartment

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P302

In the passenger compartment, underneath rear seats

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P400

Approximately 30 cm (12 in) from the RH rear wheel speed sensor

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S105

Body wiring harness, approximately 83 cm (33 in) from P103, near P107

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S107

Body wiring harness, at the electronic brake/traction control module connector C2 branch breakoff

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S140

I/P wiring harness, near the brake fluid minimum capacity sensor connector branch breakoff

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S206

I/P wiring harness, approximately 22 cm (9 in) from P110, towards connector C200 branch breakoff

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S210

I/P wiring harness, near the multifunction relay K134 connector branch breakoff

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S213

I/P wiring harness, near the data link connector (DLC) branch breakoff

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S222

I/P wiring harness, near the G201 branch breakoff

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S229

I/P wiring harness mounted in harness channel behind LH side of heater and A/C control unit, approximately 25 cm (10 in) from cruise release switch and stoplamp switch branch breakoff

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S248

I/P wiring harness, near the gauge cluster connector branch breakoff

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S250

I/P wiring harness, near the gauge cluster connector branch breakoff

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S251

I/P wiring harness, near the G201 branch breakoff

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S252

I/P wiring harness, near the G201 branch breakoff

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S265

Body wiring harness, near the G200 branch breakoff

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S267

Body wiring harness, near the G200 branch breakoff

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S268

Body wiring harness, near the G200 branch breakoff

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