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

Park Neutral Position (PNP) Switch

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

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Powertrain Control Module (PCM)

On the left front corner of the engine compartment, under the air cleaner housing

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Rear Compartment Relay Center 5

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

Body Control System Component Views in Body Control System

Power and Grounding Connector End Views in Wiring Systems

Shift Interlock Actuator

Under the center of the center console, on the shifter assembly

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Stoplamp/BTSI Switch

Under the left side of the IP, near the top of the brake pedal

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Underhood Fuse Block

On the left side of the engine compartment, near the front strut tower

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End 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

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

C205 (23 cavities)

Body harness to the engine harness, under the right side of the IP, near the IP compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C309 (6 cavities)

Body harness to the center console harness, under the center console compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102

In the left side of the engine compartment, on the engine, beneath the EGR valve

Power and Grounding Component Views in Wiring Systems

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G204

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

Power and Grounding Component Views in Wiring Systems

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G302

Under the left front seat, on the #3 seat pan bar

Power and Grounding Component Views in Wiring Systems

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P100

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

Harness Routing Views in Wiring Systems

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P101

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

Harness Routing Views in Wiring Systems

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S125

In the engine harness, approximately 4 cm (1.57 in) from the throttle position sensor connector breakout

Harness Routing Views in Wiring Systems

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S149

In the engine harness, approximately 10 cm (3.94 in) from the C101 connector breakout

Harness Routing Views in Wiring Systems

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S313

In the body harness, approximately 6.5 cm (2.56 in) from the G302 breakout

Harness Routing Views in Wiring Systems

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S344

In the console harness, approximately 4 cm (1.57 in) from the cigar lighter breakout

Harness Routing Views in Wiring Systems

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S380

In the body harness, approximately 26 cm (10.24 in) into the right seat pan channel

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S434

In the body harness, approximately 32.5 cm (12.8 in) into the right seat pan channel

Harness Routing Views in Wiring Systems

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