GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

RH footwell, mounted to the toe board, behind the carpet

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Body Control System Connector End Views in Body Control Systems

Clutch Pedal Position Switch (MM6)

Under the LH side of the instrument panel, mounted to the bracket behind clutch pedal

Lighting Systems Component Views in Lighting Systems

Engine Controls Connector End Views in Engine Controls 5.7L

Data Link Connector (DLC)

LH side of instrument panel, below the steering column

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Data Link Communications Connector End Views in Data Link Communications

Fog Lamp\Rear Compartment Lid Release Switch (Domestic)

Left of the steering column, mounted in the instrument panel

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Front and Rear Fog Lamp Switch (Export)

LH side of the steering column, mounted in the instrument panel

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Fuel Tank Filler Door Lock Release Switch (Domestic)

Inside center console, front RH side

Lighting Systems Component Views in Lighting Systems

Body Rear End Connector End Views in Body Rear End

Ignition Switch

LH side of the instrument panel between the radio and the steering column

Lighting Systems Component Views in Lighting Systems

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Instrument Panel Electrical Center

RH footwell, mounted on the toe board, behind the carpet

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Key Resistor Pellet

In the ignition key

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LH Door Control Module (DCM)

Behind the LH door trim panel, bottom center of the door, rear of speaker

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Power Door Systems Connector End Views in Door Systems

LH Door Latch

In rear LH door

Lighting Systems Component Views in Lighting Systems

Power Door Systems Connector End Views in Door Systems

Park/Neutral Position (PNP) and Backup Switch

LH side of the transmission

Engine Controls Component Views in Engine Controls 5.7L

Engine Controls Connector End Views in Engine Controls 5.7L

Powertrain Control Module (PCM)

Behind the RF fender, between the wheelhouse and the dash panel, below the battery

Engine Controls Component Views in Engine Controls 5.7L

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Rear Compartment Lid / Fuel Tank Filler Door Lock Release Switch (Export)

Inside the center console, front RH side

Lighting Systems Component Views in Lighting Systems

Body Rear End Connector End Views in Body Rear End

RH Door Control Module (DCM)

Behind the RH door trim panel, bottom center of the door, rear of speaker

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Power Door Systems Connector End Views in Door Systems

RH Door Latch

In rear of RH door

Lighting Systems Component Views in Lighting Systems

Power Door Systems Connector End Views in Door Systems

Star Connector #1

Instrument panel harness, serial data, LH side of the Body Control Module (BCM)

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Theft Deterrent Relay

RH footwell, mounted to the toe board, above the body control module.

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Underhood Electrical Center

RH side of the engine compartment, between the wheelhouse and the dash panel, front of the battery

Engine Controls Component Views in Engine Controls 5.7L

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C102 (20 cavities)

Instrument panel harness to forward lamp harness, RH side rear of engine compartment

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Inline Harness Connector End Views in Wiring Systems

C146 (10 cavities)

Transmission harness to instrument panel harness, RH side rear of engine compartment, below the battery

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Inline Harness Connector End Views in Wiring Systems

C200 (6 cavities)

Instrument panel harness to RH door harness, in the rubber grommet on the RH Door

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (6 cavities)

Instrument panel harness to LH door harness, in the rubber grommet on the LH Door

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

P200

Instrument panel harness, RH side of Instrument panel on dash panel

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P201

Instrument panel harness, LH side of Instrument panel in A-Pillar

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P202

Instrument panel harness, RH side of Instrument panel in A-Pillar

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P501

In front of the LH door

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P600

In front of the RH door

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S201 (CJ2)

Instrument panel harness, approximately 35.0 cm (13.7 in) from the HVAC control head connector (CKT1791)

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S206

Instrument panel harness, approximately 5 cm (1.9 in) from the blower motor control module connector breakout (CKT 1132)

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S210

Instrument panel harness, approximately 10.0 cm (3.9 in) from the blower motor control module breakout (CKT 159)

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S212

Instrument Panel harness, approximately 22.5 cm (8.8 in) from the electronic accessory plug connector.

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SP201 - Splice Pack 201

Instrument panel harness, grounded to G201 (CKT 150)

Power and Grounding Component Views in Wiring Systems

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SP202 - Splice Pack 202

Instrument panel harness, grounded to G202 (CKT 150)

Power and Grounding Component Views in Wiring Systems

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G108

Forward lamp harness, below the battery tray on the frame rail (CKT 1251)

Power and Grounding Component Views in Wiring Systems

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