GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Battery

In the right front corner of the engine compartment, near the right headlamp cover

Engine Electrical Component Views

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Generator

On the right front corner of the engine, near the battery

Engine Electrical Component Views

Engine Electrical Connector End Views

Ignition Switch

Under the left side of the IP, near the base of the steering column

Engine Electrical Component Views

Engine Electrical Connector End Views

Instrument Cluster (IPC)

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)

Left front corner of the engine compartment, under the air cleaner housing

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

RH Underhood Fuse Block

In the left of the engine compartment, near the left strut tower

Power and Grounding Component Views in Wiring Systems

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Starter Motor

In the center of the engine, below the intake manifold

Engine Electrical Component Views

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Starter Solenoid

In the center of the engine, below the intake manifold, on the starter motor

Engine Electrical Component Views

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Theft Deterrent Relay

In the left side of the engine compartment, near the underhood fuse block

Theft Deterrent System Component Views in Theft Detrerrent

Theft Deterrent System Connector End Views in Theft Detrerrent

C101 (23 cavities)

Body harness to the engine harness, on the left side of the engine compartment, near the underhood fuse block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C131 (3 cavities)

Engine harness to the starter harness, on the right rear corner of the engine

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202 (47 cavities)

Body harness to the steering column harness, under the left side of the IP, near the base of the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G100

In the right front corner of the engine compartment, on the radiator support

Power and Grounding Component Views in Wiring Systems

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G105

On the right front corner of the engine, near the generator

Power and Grounding Component Views in Wiring Systems

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P101

In the left rear of the engine compartment, near the strut tower

Harness Routing Views in Wiring Systems

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S121

In the engine harness, approximately 32.5 cm (12.8 in) from the theft deterrent relay

Harness Routing Views in Wiring Systems

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