GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Automatic Transmission Shift Lock Control Solenoid

Attached to the automatic transmission control base, to the left of the shift lever

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Body Control Module (BCM)

Mounted on the RH A-pillar, behind the trim panel

BCM Component Views

BCM Connector End Views

Cellular Telephone

Center console

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Cellular Communication Connector End Views in Cellular Communication

Data Link Connector (DLC)

Attached to the I/P carrier, to the left of the steering column

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Data Link Communications Connector End Views in Data Link Communications

Daytime Running Lamp (DRL) Relay K133

Lower I/P, to the RH side of the steering column, on the relay box

Power and Grounding Component Views in Wiring Systems

Lighting Systems Connector End Views in Lighting Systems

Door Lock Relay K135

Mounted on the lower RH A-pillar, behind the BCM

BCM Component Views

BCM Connector End Views

Door Lock Switch

Inside the LH front side door near the door lock cylinder

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BCM Connector End Views

Front Side Door Jamb Switch (LH)

Lower LH A-pillar

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Lighting Systems Connector End Views in Lighting Systems

Front Side Door Jamb Switch (RH)

Lower RH A-pillar

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Lighting Systems Connector End Views in Lighting Systems

Front Side Door Lock Switch (LH)

Mounted to the inside LH front side door trim panel

Instrument Cluster Component Views in Instrument Panel, Gauges and Console

Lighting Systems Connector End Views in Lighting Systems

Front Side Door Lock Switch (RH)

Mounted to the inside RH front side door trim panel

Instrument Cluster Component Views in Instrument Panel, Gauges and Console

Lighting Systems Connector End Views in Lighting Systems

Front Side Door Window Switch (LH)

Center console

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Power Door Systems Connector End Views in Doors

Fuel Tank Filler Door Lock Release Switch

Center of the I/P, to the left of the heater and A/C control

Instrument Cluster Component Views in Instrument Panel, Gauges and Console

Body Rear End Connector End Views in Body Rear End

Fuse Block

Mounted to the I/P, lower LH side of the steering column

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Gauge Cluster

LH side of the I/P, to the left and above the heater and A/C control

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Instrument Cluster Connector End Views in Instrument Panel, Gauges and Console

Headlamp Relay (High Beam) (LH) K73

Lower I/P, to the RH side of the steering column, on the relay box

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Lighting Systems Connector End Views in Lighting Systems

Headlamp Relay (High Beam) (RH) K132

Lower I/P, to the RH side of the steering column, on the relay box

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Lighting Systems Connector End Views in Lighting Systems

Headlamp Switch

LH side of the I/P

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Lighting Systems Connector End Views in Lighting Systems

Heater and A/C Control

Center of the I/P, above the radio

Instrument Cluster Component Views in Instrument Panel, Gauges and Console

HVAC Connector End Views in HVAC Systems

Horn Relay K63

Lower I/P, to the RH side of the steering column, on the relay box

Power and Grounding Component Views in Wiring Systems

Horns Connector End Views in Horns

Instrument Cluster

LH side of the I/P, just to the left and above the heater and A/C control

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Instrument Cluster Connector End Views in Instrument Panel, Gauges and Console

Low Beam Relay K131

Lower I/P, to the RH side of the steering column, on the relay box

Power and Grounding Component Views in Wiring Systems

Lighting Systems Connector End Views in Lighting Systems

Multifunction Relay K134

Under the LH side of the I/P

BCM Component Views

Lighting Systems Connector End Views in Lighting Systems

Park Lamp Relay K130

Lower I/P, to the RH side of the steering column, on the relay box

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Lighting Systems Connector End Views in Lighting Systems

Power Distribution Fuse Block

LH front of the engine compartment, attached to the ECM housing, above the battery

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Radio, AM/FM Stereo and Clock and Tape Player and Compact Disk Player

Center of the I/P, below the heater and A/C control

Instrument Cluster Component Views in Instrument Panel, Gauges and Console

Entertainment Connector End Views in Entertainment

Rear Compartment Courtesy Lamp Switch

Attached to the rear compartment lid

Power and Grounding Component Views in Wiring Systems

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Rear Compartment Lid Release Switch

Center of I/P, to the right of the heater and A/C control

Instrument Cluster Component Views in Instrument Panel, Gauges and Console

Body Rear End Connector End Views in Body Rear End

Rear Side Door Jamb Switch (LH)

Lower LH B-pillar

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Lighting Systems Connector End Views in Lighting Systems

Rear Side Door Jamb Switch (RH)

Lower RH B-pillar

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Lighting Systems Connector End Views in Lighting Systems

Relay Box

Lower I/P, to the RH side of the steering column

Power and Grounding Component Views in Wiring Systems

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Stop Lamp Switch

Attached to the brake pedal

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Lighting Systems Connector End Views in Lighting Systems

Sun Roof Actuator

Front center of the roof, above the inside rear view mirror

Power Roof Systems Component Views in Roof

Power Roof Systems Connector End Views in Roof

Transmission Control Selector Switch

Attached to the transmission control lever

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BTSI Connector End Views in Steering Wheel and Column - Tilt

Turn Signal Switch

Attached to the LH side of the steering column

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Lighting Systems Connector End Views in Lighting Systems

Windshield Wiper and Windshield Washer Switch

Attached to the RH side of the steering column

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Wiper/Washer System Connector End Views in Wiper/Washer System

C200A

I/P wiring harness to body wiring harness, at the lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200B

I/P wiring harness to body wiring harness, at the lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C210

I/P wiring harness to rear amplifier wiring harness, at lower RH A-pillar, next to the BCM

BCM Component Views in Body Control System

Inline Harness Connector End Views in Wiring Systems

C301

Body wiring harness to RH courtesy lamp wiring harness, at the base of the RH B-Pillar

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Inline Harness Connector End Views in Wiring Systems

C302

Body wiring harness to LH courtesy lamp wiring harness, at the base of the LH B-Pillar

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Inline Harness Connector End Views in Wiring Systems

G103

Body and I/P wiring harnesses, located at the LH front of the engine compartment, near C102, C105, and C106

Wiper/Washer System Component Views in Wiper/Washer System

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P103

Lower LH A-pillar, forward of G200

Power and Grounding Component Views in Wiring Systems

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P110

Rear LH corner of the engine compartment

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S103

Body wiring harness, approximately 27 cm from P107

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S104

Body wiring harness, approximately 83 cm from P103, near P107

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S140

I/P wiring harness, near the brake fluid minimum capacity sensor connector branch break off

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S200

I/P wiring harness, near the data link connector (DLC) branch break off I/P

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S205

I/P wiring harness, on the headlamp switch connector branch, near the break off

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S208

I/P wiring harness, between the stop lamp and cruise control release switch connectors

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S217

I/P wiring harness, near the multifunction relay K134 connector branch break off

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S241

I/P wiring harness, near the DLC branch break off

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S246

I/P wiring harness, approximately 8 cm from the DLC connector branch break off, towards G201

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S248

I/P wiring harness, near the gauge cluster connector branch break off

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S250

I/P wiring harness, near the gauge cluster connector branch break off

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S251

I/P wiring harness, near the G201 branch break off

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S252

I/P wiring harness, near the G201 branch break off

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S262

I/P wiring harness, near the DLC connector branch break off

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S263

I/P wiring harness, near the multifunction relay K134 connector branch break off

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S308

Body wiring harness, base of the RH A-pillar, just under the conduit

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S309

Body wiring harness, base of the RH A-pillar, just under the conduit

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S317

Body wiring harness, base of the LH A-pillar, just under the conduit

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S319

Body wiring harness, base of the LH A-pillar, just under the conduit

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S326

Body wiring harness, base of the LH A-pillar, just under the conduit

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