GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Ignition Switch

Left front of the passenger compartment, in the steering column

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

IP Junction Block

Under the right side of the instrument panel, near the rear of the instrument panel compartment

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Rear Junction Block

Center right rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Remote Function Actuator (RFA) Module

Center rear of the passenger compartment, under the rear shelf trim panel

Keyless Entry Component Views

Keyless Entry Connector End Views

Underhood Junction Block

Right front of the engine compartment, near the battery

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C206 (24 cavities)

IP harness to the steering column harness, under the IP, above the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C310 (24 cavities)

Body harness to the rear shelf harness, in the right front of the rear compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G400

Right of the rear compartment, on the rear of the wheelhouse

Power and Grounding Component Views in Wiring Systems

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S401

In the body harness, approximately 80 cm (31.4 in) from the C305 connector

Harness Routing Views in Wiring Systems

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