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

Data Link Connector (DLC)

LH side of instrument panel, below the steering column

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-

Electronic Traction/Suspension Control Switch

Center console, between the shifter and storage compartment

Power and Grounding Component Views in Wiring Systems

Body Control System Connector End Views in Body Control Systems

Front/Rear Fog Lamp Switch (export)

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

Power and Grounding Component Views in Wiring Systems

Lighting Systems Connector End Views in Lighting Systems

Fog Lamp\Rear Compartment Lid Release Switch

Left of the steering column, mounted in the instrument panel

Power and Grounding Component Views in Wiring Systems

Lighting Systems Connector End Views in Lighting Systems

Hood Ajar Switch

Engine compartment support bracket

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Body Control System Connector End Views in Body Control Systems

HVAC Control Head (CJ2)

Center of the instrument panel, under the radio

Power and Grounding Component Views in Wiring Systems

HVAC Connector End Views in HVAC - Automatic

Ignition Switch

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

Power and Grounding Component Views in Wiring Systems

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Instrument Panel Electrical Center

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

-

-

Key Resistor Pellet

In the ignition key

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-

LH Door Ajar Indicator Switch

In rear LH door, part of the latch

Theft Deterrent System Component Views in Theft Deterrent System

Theft Deterrent System Connector End Views in Theft Deterrent

LH Door Control Module (DCM)

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

Entertainment Component Views in Entertainment

Power Door Systems Connector End Views in Door Systems

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

Inside the center console, front RH side

Power and Grounding Component Views in Wiring Systems

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RH Door Ajar Indicator Switch

In rear RH door, part of the latch

Theft Deterrent System Component Views in Theft Deterrent System

Theft Deterrent System Connector End Views in Theft Deterrent

RH Door Control Module (DCM)

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

Entertainment Component Views in Entertainment

Power Door Systems Connector End Views in Door Systems

RH Rear Compartment Lid Lock Release Solenoid

RH rear compartment on the RH compartment latch

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Body Rear End Connector End Views in Body Rear End

Star Connector #1

Instrument panel harness, serial data

-

Data Link Communications Connector End Views in Wiring Systems

Star Connector #2

Instrument panel harness, serial data

-

Data Link Communications Connector End Views in Wiring Systems

Steering Wheel Lock

RH side of the steering column behind the Instrument Panel

-

Body Control System Connector End Views in Body Control Systems

Underhood Electrical Center

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

Power and Grounding Component Views in Wiring Systems

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C200 (6 cavities)

Instrument panel harness to RH door harness, in box on A-Pillar on RH Door

Entertainment Component Views in Entertainment

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C201 (6 cavities)

Instrument panel harness to LH door harness, in box on A-Pillar or LH Door

Entertainment Component Views in Entertainment

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C202 (10 cavities)

Instrument panel harness to RH door harness, in box on A-Pillar on RH Door

Entertainment Component Views in Entertainment

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C207 (4 cavities)

Instrument panel harness to steering column harness, at the base of steering column - for steering column lock

-

-

C209 (23 cavities)

Instrument panel harness to steering column harness, at the base of steering column - headlamp and turn signal switches

-

-

P200

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

-

-

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

-

-

P501

In front of the LH door

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-

P600

In front of the RH door

-

-

S205

Instrument panel harness, approximately 12.5 cm left of the Data Link Connector (DLC) breakout (CKT 9)

-

-

S206

Instrument panel harness, approximately 14.0 cm right of the blower motor control module connector breakout (CKT 1132)

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-

S210

Instrument panel harness, approximately 10.0 cm right of the blower motor control module breakout (CKT 159)

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-

S304

Front body harness, approximately 15.0 cm from the RH rear speaker breakout, toward RH rear compartment lamp (CKT 744)

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-

SP201 - Splice Pack #201

Instrument panel harness, part of G201

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-

SP202 - Splice Pack #202

Instrument panel harness, attached to G202

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-

SP208 - Splice Pack #208

Instrument panel harness, RH side of Instrument panel. Grounded at G104

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-

G104

Instrument panel harness, Rear of RH wheelhouse, between battery and U/H electrical center

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G201

Instrument panel harness, at base of LH A-Pillar. SP201 is attached

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-

G202

Instrument panel harness, at base of RH A-Pillar. SP202 is attached

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