GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM) (Luxury)

In the center floor console

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Convenience Center

Under the left side of the IP, on the bulkhead

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Horn Relay

In the Underhood Fuse Relay Center

Horn Component Views

Horn Connector End Views

Horn Switch

At the top of the steering column, under the steering wheel pad

Horn Component Views

Horn Connector End Views

Horn, Left

At the front of the vehicle

Horn Component Views

Horn Connector End Views

Horn, Right

At the front of the vehicle

Horn Component Views

Horn Connector End Views

Remote Control Door Lock Receiver

Under the IP, inside the right of the right steering column support bracket

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Underhood Fuse Block

In the left rear side of the engine compartment, on the fender

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Interface Unit (VIU)

Underneath the Right Rear Seat Assembly

Cellular Communication Component Views in Cellular Communication

Cellular Communication Connector End Views in Cellular Communication

C100

Part of the engine harness to IP harness, in the left rear side of the engine compartment, at the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C102

Part of the forward lamps harness to IP harness, in the left rear side of the engine compartment, near the underhood fuse-relay center, mounted on the fender

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C110

IP harness to FWA lamps harness, LR of engine compartment, near C102

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C220

At the convenience center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C242 (Z56 Police Package/Luxury)

Part of the IP harness, at the left side of the steering column, near the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C266

Part of the IP harness to steering column harness, to the left side of the steering column, near the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304 (Luxury)

IP harness, Inline to Floor Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G112

Right front of the engine compartment, at wheelhousing

Power and Grounding Component Views in Wiring Systems

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S113

Inside L door harness approx. 25 cm (10 in) into outside rearview mirror breakout

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S124

Inside L door harness approx. 25 cm (10 in) into outside rearview mirror breakout

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S128

Inside L door harness approx. 25 cm (10 in) into outside rearview mirror breakout

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S293

Inside L door harness approx. 25 cm (10 in) into outside rearview mirror breakout

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