GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

On the lower left side of the IP below the steering column

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

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

Ignition Switch

Part of the steering column

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Power and Grounding Connector End Views in Wiring Systems

I/P Wiring Harness Junction Block

On the lower right side of the IP

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Power Sunroof Module

In the rear of the sunroof

Power Roof Systems Component Views in Roof Systems

Power Roof Systems Connector End Views in Roof Systems

Radio

In the center of the IP

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Retained Accessory Power (RAP) Relay

In the fuse block

Electrical Center Identification Views in Wiring Systems

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Retained Accessory Power 2 Relay (RAP2)

In the instrument panel wiring harness junction block

Electrical Center Identification Views in Wiring Systems

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Vehicle Interface Unit (VIU) - Onstar

In the right side of IP above the compartment box

Cellular Communication Component Views in Cellular Communications

Cellular Communication Connector End Views in Cellular Communications

C201

On the steering column under the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201B

On the steering column under the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C310A

Between the left rear door and the body

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

On the right upper IP at the "A" pillar

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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P500

Between the left front door and the body

Power and Grounding Component Views in Wiring Systems

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P600

Between the right front door and the body

Power and Grounding Component Views in Wiring Systems

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