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

Brake Transmission Shift Interlock (BTSI) Control Solenoid

Center console, part of the shifter

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Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Brake Transmission Shift Interlock (BTSI) Switch

Mounted on the bracket in front of the brake pedal

Lighting Systems Component Views in Lighting Systems

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

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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LH Seat Control Module (SCM)

Under the front of the LH seat

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Power Seat Connector End Views in Seats

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

Steering Column Lock

RH side of the steering column, inside steering column shroud

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Steering Column Lock Relay

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

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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

C207 (4 cavities)

Instrument panel harness to steering column harness, LH side of the steering column, attached to the lower instrument panel bar - for steering column lock.

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Inline Harness Connector End Views in Wiring Systems

C208 (3 cavities)

Instrument panel harness to steering column harness, LH side of the steering column attached to the instrument panel lower beam.

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Inline Harness Connector End Views in Wiring Systems

C210 (2 cavities)

Instrument panel harness to steering column harness, LH side of the steering column attached to the instrument panel lower beam.

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Inline Harness Connector End Views in Wiring Systems

C212 (3 cavities)

Instrument panel harness to steering column harness, LH side of the steering column attached to the instrument panel lower beam

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Inline Harness Connector End Views in Wiring Systems

C303 (8 cavities)

Instrument panel harness to LH seat harness, under LH seat

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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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S210

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

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S391

LH power seat harness,

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S392

LH power seat harness,

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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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G201

Instrument panel harness, at base of LH A-Pillar, ground for SP201 and SP203 (CKT150 and CKT 351)

Power and Grounding Component Views in Wiring Systems

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G202

Instrument panel harness, at base of RH A-Pillar, ground for SP202 (CKT 150)

Power and Grounding Component Views in Wiring Systems

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