GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Battery

Rear RH side of the engine compartment, rearward of the RH wheelhouse.

Engine Controls Component Views in Engine Controls 5.7L

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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

Generator

Front of the LH valve cover

Engine Controls Component Views in Engine Controls 5.7L

Engine Electrical Connector End Views in Engine Electrical

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 Cluster

Top LH side of instrument panel, behind the steering wheel

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

Instrument Panel Electrical Center

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

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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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Star Connector #1

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

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Starter Solenoid

Top of the starter motor

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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

C150 (20 cavities)

Forward lamp harness to Engine harness, RH side rear of engine compartment, below the battery

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Inline Harness Connector End Views in Wiring Systems

P200

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

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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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