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

Data Link Connector (DLC)

LH side of instrument panel, below the steering column

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Data Link Communications Connector End Views

Electronic Brake Traction Control Module (EBTCM)

Front LH side of the engine compartment, mounted on the frame rail

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Antilock Brake System Connector End Views in Antilock Brakes

Electronic Suspension Control (ESC) Module

Rear compartment, inside the LH storage compartment

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Suspension Controls Connector End Views in Real Time Damping

HVAC Control Assembly (CJ2)

Center of the instrument panel, under the radio

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HVAC Connector End Views in HVAC - Automatic

Inflatable Restraint Sensing and Diagnostic Module

Behind the center of the Instrument Panel, under the HVAC control head

SIR Component Views in SIR

SIR Connector End Views in SIR

Instrument Cluster

Top LH side of instrument panel, behind the steering wheel

Instrument Cluster and HUD Component Views in Instrument Panel Gauges and Console

Instrument Cluster and HUD 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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LH Door Control Module (DCM)

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

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Power Door Systems Connector End Views in Door Systems

LH Seat Control Module (SCM)

Under the front of the LH seat

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Power Seat Connector End Views in Seats

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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Radio

Center of Instrument Panel above the HVAC control Assembly

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Entertainment Connector End Views in Entertainment

Remote Compact Disc Changer

Rear compartment, in the center storage compartment

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Entertainment Connector End Views in Entertainment

Remote Control Door Lock Receiver

LH side of the rear compartment, behind the side trim panel

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Keyless Entry Connector End Views in Keyless Entry

RH Door Control Module (DCM)

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

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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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Star Connector #2

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

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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

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

C301 (6 cavities)

Instrument Panel harness to LH seat harness, under LH seat

Entertainment Component Views in Entertainment

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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P401

Transmission harness, LH rear of vehicle

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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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S206

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

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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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SP208 - Splice Pack 208

Instrument panel harness, RH side of Instrument panel, grounded to G104 (CKT 851)

Power and Grounding Component Views in Wiring Systems

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G104

Instrument panel harness, below the battery tray, on the RH frame rail, ground for SP208 (CKT 851)

Power and Grounding Component Views in Wiring Systems

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G201

Instrument panel harness, at base of LH A-Pillar, ground for SP201 and SP203 (CKT 150 and CKT 351)

Power and Grounding Component Views in Wiring Systems

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