GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Wiring Harness Junction Block

Under the left side of the instrument panel near the left kick panel

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Clutch Pedal Position (CPP) Switch

On the top of the clutch pedal assembly near the reservoir

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Cruise Control Module

On the left front of the dash in the engine compartment

Cruise Control Component Views

Cruise Control Connector End Views

Cruise Control Switch

On the left side of the column on the multifunction switch

Tilt Wheel/Column Component Views in Steering Wheel and Column - Tilt

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Data Link Connector (DLC)

On the left lower dash below the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Engine Wiring Harness Junction Block

At the left side of the engine compartment near the battery

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Fuse Block

On the lower left side of the IP

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster

On the left side of the IP above the steering column

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

Powertrain Control Module (PCM)

Near the left front inside the engine compartment

Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L

Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L

Stoplamp Switch

At the top of the brake pedal

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Vehicle Control Module (VCM)

On the left front of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

Engine Controls Connector End Views in Engine Controls - 4.3L

C100

Under the Engine Wiring Harness Junction Block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201

On the steering column under the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201A

On the steering column under the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202

On the left side of the IP on the back of the cluster

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103

On the right rear of the engine block

Power and Grounding Component Views in Wiring Systems

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P100

At the left rear of the engine compartment in the front of the dash

Power and Grounding Component Views in Wiring Systems

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Splice Pack 205 (SP205)

On the left side of the IP behind the headlamp switch

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications