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

Body Control System Component Views

Body Control System 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 IP 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 IP, 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

Body Control System Component Views

Body Control System Connector End Views

Door Lock Switch

Inside the LH front side door, near the door lock cylinder

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Body Control System 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 Panel, Gages, and Console 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 Panel, Gages, and Console 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 IP, to the left of the heater-A/C control

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Body Rear End Connector End Views in Body Rear End

Fuse Block

Mounted to the IP, lower LH side of the steering column

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Gauge Cluster

LH side of the IP, to the left and above the heater-A/C control

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

Headlamp Relay (High Beam) (LH) K73

Lower IP, 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 IP, 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 IP

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Lighting Systems Connector End Views in Lighting Systems

Heater-A/C Control

Center of the IP, above the radio

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

HVAC Connector End Views in HVAC Systems

Horn Relay K63

Lower IP, to the RH side of the steering column, on the relay box

Power and Grounding Component Views in Wiring Systems

Horn Connector End Views in Horns

Instrument Cluster

LH side of the IP, just to the left and above the heater-A/C control

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

Low Beam Relay K131

Lower IP, 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 IP

Body Control System Component Views

Lighting Systems Connector End Views in Lighting Systems

Park Lamp Relay K130

Lower IP, 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 IP, below the heater-A/C control

Instrument Panel, Gages, and Console 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 IP, to the right of the heater-A/C control

Instrument Panel, Gages, and Console 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 IP, 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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Tilt Wheel/Column 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 Connector End Views in Wiper/Washer System

C200A

IP 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

IP 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

IP wiring harness to rear amplifier wiring harness, at lower RH A-pillar, next to the BCM

Body Control System Component Views

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 IP wiring harnesses, located at the LH front of the engine compartment, near C102, C105, and C106

Wiper/Washer 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 15 cm (6 in) from branch break off for the LH headlamp, towards the EBTCM branch break off

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S104

Body wiring harness, approximately 71 cm (28 in) from P103, towards the EBTCM branch break off

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S140

IP wiring harness, near the brake fluid minimum capacity sensor connector branch break off

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S200

IP wiring harness, approximately 15 cm (6 in) from cruise release switch and stoplamp switch branch break off, towards G201 branch break off

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S205

IP wiring harness, on the headlamp switch connector branch, near the break off

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S208

IP wiring harness, in stoplamp switch branch break off

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S209

IP wiring harness, approximately 14 cm (6 in) from cruise release switch and stoplamp switch branch break off, to the right of the DLC connector branch break off

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S215

IP wiring harness, approximately 18 cm (7 in) from cruise release switch and stoplamp switch branch break off, to the right of the DLC connector branch break off

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S217

IP wiring harness, near the multifunction relay K134 connector branch break off

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S226

IP wiring harness, approximately 14 cm (6 in) from cruise release switch and stoplamp switch branch break off, to the right of the DLC connector branch break off

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S240

IP wiring harness mounted in harness channel behind RH side of heater-A/C control unit, approximately 35 cm (14 in) from cruise release switch and stoplamp switch branch break off

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S241

IP wiring harness, near the DLC branch break off

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S246

IP wiring harness, approximately 8 cm (3 in) from cruise release switch and stoplamp switch branch break off, towards G201 branch break off

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S248

IP wiring harness, near the gauge cluster connector branch break off

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S250

IP wiring harness, near the gauge cluster connector branch break off

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S251

IP wiring harness, near the G201 branch break off

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S252

IP wiring harness, near the G201 branch break off

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S262

IP wiring harness, near the DLC connector branch break off

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S263

IP 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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