GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (PZM)

In the left rear of the passenger compartment, behind the rear seat, on the electronics bay

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Jamb Switch, Left Front

On the rear of the left front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Jamb Switch, Left Rear

In the left rear of the passenger compartment, on the left rear door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Jamb Switch, Right Front

On the rear of the right front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Jamb Switch, Right Rear

In the right rear of the passenger compartment, in the right rear door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Cylinder Switch, Left Front

On the rear of the left front door, in the door lock cylinder

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Door Lock Cylinder Switch, Right Front

On the rear of the right front door, in the door lock cylinder

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Ignition Switch

Under the left side of the instrument panel (IP), on the base of the steering column

Lighting Systems Component Views in Lighting Systems

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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

MaxiFuse® Block, Right Side

On the left rear of the engine compartment, near the engine compartment fuse/relay center

Power and Grounding Component Views in Wiring Systems

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Park Neutral Position (PNP) Switch

On the left side of the transmission, below the throttle body

Engine Controls Component Views in Engine Controls-4.0L, 4.6L

Engine Controls Connector End Views in Engine Controls-4.0L, 4.6L

Power Door Lock Switch, Left Front

In the left front of the passenger compartment, on the left front door

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Power Door Systems Connector End Views in Doors

Power Door Lock Switch, Left Rear

In the left rear of the passenger compartment, on the left rear door

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Power Door Systems Connector End Views in Doors

Power Door Lock Switch, Right Front

In the right front of the passenger compartment, on the right front door

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Power Door Systems Connector End Views in Doors

Power Door Lock Switch, Right Rear

In the right rear of the passenger compartment, on the right rear door

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Power Door Systems Connector End Views in Doors

Rear Compartment Lid Tamper Switch

On the center rear of the rear compartment lid, on the rear compartment lid latch

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Starter Solenoid

On the top center of the engine, below the intake manifold on the starter

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Steering Column Lock Cylinder

In the left front of the passenger compartment, in the right of the steering column

Theft Deterrent System Component Views

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Theft Deterrent Relay

On the left side of the engine compartment, near the right MaxiFuse® block

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

C101 (23 cavities)

Body harness to the engine harness, on the left side of the engine compartment, near the engine compartment fuse/relay center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C131 (2 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 steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C312 (16 cavities)

Body harness to the upfitter harness, in the right side of the passenger compartment, near the door pillar

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Inline Harness Connector End Views in Wiring Systems

C319 (16 cavities)

Body harness to the upfitter harness, in the left side of the passenger compartment, near the door pillar

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Inline Harness Connector End Views in Wiring Systems

C402 (3 cavities)

Body harness to the body harness, in the right rear of the passenger compartment, tapped in the body harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C502 (2 cavities)

Left front door, behind the lower rear of the door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C602 (2 cavities)

Right front door, behind the lower rear of the door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G203

In the left front of the passenger compartment, behind the kick panel

Power and Grounding Component Views in Wiring Systems

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G205

In the right front of the passenger compartment, behind the kick panel

Power and Grounding Component Views in Wiring Systems

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G400

In the left rear of the passenger compartment, under the rear seat

Power and Grounding Component Views in Wiring Systems

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P500

On the front of the left front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P600

On the front of the right front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P700

On the front of the left rear door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P800

On the front of the right rear door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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S121

In the engine harness, approximately 32.5 cm (12.8 in) from the starter enable relay

Harness Routing Views in Wiring Systems

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S201

In the body harness, approximately 2.5 cm (0.98 in) from the G204 breakout

Harness Routing Views in Wiring Systems

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S307

In the body harness, approximately 1.5 cm (0.59 in) from the rear seat channel breakout

Harness Routing Views in Wiring Systems

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S309

In the body harness, approximately 8 cm (3.15 in) from P700

Harness Routing Views in Wiring Systems

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S323 (DeVille)

In the body harness, approximately 28 cm (11.02 in) from the radio connector breakout

Harness Routing Views in Wiring Systems

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S323 (Eldorado)

In the body harness, approximately 30 cm (11.81 in) from the P600 breakout

Harness Routing Views in Wiring Systems

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S327

In the body harness, approximately 8 cm (3.15 in) from the P800 breakout

Harness Routing Views in Wiring Systems

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S401

In the body harness, approximately 64.5 cm (25.39 in) into the cross car breakout

Harness Routing Views in Wiring Systems

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S407

In the body harness, approximately 77.5 cm (30.51 in) into the cross car breakout

Harness Routing Views in Wiring Systems

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