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

Ignition Lock Cylinder

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

Theft Deterrent System Component Views

--

Ignition Switch

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

Lighting Systems Component Views in Lighting Systems

--

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

LH Door Lock Cylinder Switch

At the rear of the left door, on the door lock cylinder

--

Theft Deterrent System Connector End Views

LH Front Door Lock Actuator

At the rear of the left door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Front Door Lock Switch

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

--

Power Door Systems Connector End Views in Doors

Powertrain Control Module (PCM)

In 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

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

RH Door Lock Cylinder Switch

At the rear of the right door, on the door lock cylinder

--

Theft Deterrent System Connector End Views

RH Front Door Lock Actuator

At the rear of the right door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Front Door Lock Switch

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

--

Power Door Systems Connector End Views in Doors

RH Underhood Fuse Block

On the left rear of the engine compartment, near the underhood fuse block

Power and Grounding Component Views in Wiring Systems

--

Starter Solenoid

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

--

--

Theft Deterrent Relay

On the left side of the engine compartment, near the right underhood fuse block

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Underhood Fuse/Relay Center

On the left rear of the engine compartment,near the theft deterrent relay

Power and Grounding Component Views in Wiring Systems

--

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 (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 steering column

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

--

G205

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

Power and Grounding Component Views in Wiring Systems

--

G400

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

Power and Grounding Component Views in Wiring Systems

--

P101

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

Power and Grounding Component Views in Wiring Systems

--

P500

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

Power and Grounding Component Views in Wiring Systems

--

P600

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

Power and Grounding Component Views in Wiring Systems

--

S121

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

Power and Grounding Component Views in Wiring Systems

--

S128

In the engine harness, approximately 39 cm (15.4 in) from the theft deterent relay.

Harness Routing Views in Wiring Systems

--

S201

In the body harness, approximately 2.5 cm (0.98 in) from the G203 breakout

Power and Grounding Component Views in Wiring Systems

--

S307

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

Power and Grounding Component Views in Wiring Systems

--

S328

In the body harrness, approximately 13 cm(5.1 in) from the end of right seat pan channel.

Power and Grounding Component Views in Wiring Systems

--

S323

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

Power and Grounding Component Views in Wiring Systems

--

S407

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

Power and Grounding Component Views in Wiring Systems

--