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

ALC Suspension Component Views in Automatic Level Control

ALC Suspension Connector End Views in Automatic Level Control

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 Brakes System Component Views in Antilock Brakes

Antilock Brakes System Connector End Views in Antilock Brakes

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 Cluster Connector End Views in Instrument Panel, Gauges and Console

Rear Suspension Leveling Air Compressor

RH front of the vehicle, attached beneath the fascia

ALC Suspension Component Views in Automatic Level Control

ALC Suspension Connector End Views in Automatic Level Control

Rear Suspension Leveling Air Compressor Relay K19

Lower I/P, to the RH side of the steering column, on the relay box, ay position 2

Power and Grounding Component Views in Wiring Systems

ALC Suspension Connector End Views in Automatic Level Control

Relay Box

Lower I/P, to the RH side of the steering column

Power and Grounding Component Views in Wiring Systems

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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 harness, located at the LH front of the engine compartment, near C102, C105, and C106

Wiper/Washer System Component Views in Wiper/Washer System

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P103

Lower LH A-pillar, forward of G200

Power and Grounding Component Views in Wiring Systems

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P302

In the passenger compartment, underneath the rear seat

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S103

Body wiring harness, approximately 27 cm (11 in) from P107 branch break off

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S136

Body wiring harness, approximately 5 cm (2 in) from the C200 branch breakoff

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S200

I/P wiring harness, near data link connector (DLC) branch break off

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S226

I/P wiring harness, near G201 branch break off

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S267

Body wiring harness, near G200 branch break off

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S308

Body wiring harness, base of RH A-pillar, just under the conduit

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S319

Body wiring harness, base of LH A-pillar, just under conduit

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