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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Automatic Transmission Shift Lock Park Switch

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

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Body Control Module (BCM)

Mounted on the RH Kick Pad, 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 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

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

Door Lock/Indicator Schematics in Doors

Lighting Systems Connector End Views in Lighting Systems

Front Side Door Lock Switch (RH)

Mounted to the inside RH front side door trim panel

Door Lock/Indicator Schematics in Doors

Lighting Systems Connector End Views in Lighting Systems

Fuel Tank Filler Door Lock Release Switch

Center of the I/P, to the left of the heater and 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 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 Panel, Gages, and Console 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 Panel, Gages, and Console 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

Horn Connector End Views in Horns

Inflatable Restraint Sensing and Diagnostic and Seat Belt Pretensioner Module

Under the center console, near the parking brake lever

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SIR Connector End Views in SIR

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 Panel, Gages, and Console 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

Body Control System 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 Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Entertainment Connector End Views in Entertainment

Rear Compartment Lid Release Switch

Center of I/P, to the right of the heater and 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)

Center LH B-pillar

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Lighting Systems Connector End Views in Lighting Systems

Rear Side Door Jamb Switch (RH)

Center 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

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 Wipers/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

C205

I/P wiring harness to automatic transmission control switches, attached to the automatic transmission control base, to the right of the shift lever

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Inline Harness Connector End Views in Wiring Systems

C207 (blue connector)

Body wiring harness to I/P wiring harness, under the RH side of the center console

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Inline Harness Connector End Views in Wiring Systems

C207A (blue connector)

Body wiring harness to I/P wiring harness, under the RH side of the center console

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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

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

C500

Body wiring harness to the LH front side door wiring harness, at the lower LH A-pillar

Power Door Systems Component Views in Doors

Inline Harness Connector End Views in Wiring Systems

C600

Body wiring harness to the LH front side door wiring harness, at the lower RH A-pillar

Power Door Systems Component Views in Doors

Inline Harness Connector End Views in Wiring Systems

G103

Body and I/P wiring harnesses, located at the LH front of the engine compartment, underneath the battery tray

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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P500

In the LH front side door, near the front side door mirror switch and radio speaker (tweeter) branch break off

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P600

In the RH front side door, near the front side door mirror switch and radio speaker (tweeter) branch break off

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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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S200

I/P wiring harness, approximately 14 cm (6 in) from P110, towards connector C200 branch break off

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S205

I/P wiring harness, approximately 61 cm (24 in) from gauge cluster connector branch break off, between blower control module and TCM branch break offs

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S208

I/P wiring harness, approximately 18 cm (7 in) from cruise release switch and stoplamp switch branch break off, towards the stoplamp switch

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S209

I/P 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

I/P 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

I/P wiring harness, approximately 5 cm (2 in) from cruise release switch and stoplamp switch branch break off, to the left of the DLC connector branch break off

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S226

I/P wiring harness, approximately 22 cm (9 in) from P110, before the power steering control module and multifunction relay (K134) branch break offs

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S240

I/P wiring harness, approximately 35  cm (14 in) from cruise release switch and stoplamp switch branch break off, near G201 branch break off

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S241

I/P wiring harness, approximately 22 cm (9 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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S246

I/P wiring harness, approximately 7 cm (3 in) from cruise release switch and stoplamp switch branch break off, to the left of the DLC connector branch break off

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S248

I/P wiring harness, mounted in harness channel behind LH side of heater and A/C control, approximately 5 cm (2 in) from gauge cluster connector branch break off

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S250

I/P wiring harness, mounted in harness channel behind RH side of heater and A/C control, approximately 22 cm (9 in) from gauge cluster connector branch break off

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S251

I/P 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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S252

I/P wiring harness, approximately 25 cm (10 in) from P110, before the power steering control module and multifunction relay (K134) branch break offs

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S262

I/P wiring harness, approximately 9 cm (4 in) from cruise release switch and stoplamp switch branch break off, to the left of the DLC connector branch break off

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S263

I/P wiring harness, approximately 28 cm (11 in) from P110, before the power steering control module and multifunction relay (K134) branch break offs

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S308

Body wiring harness, approximately 35 cm (14 in) from C200, in conduit routed along LH side of vehicle

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S309

Body wiring harness, approximately 27 cm (11 in) from C200, in conduit routed along LH side of vehicle

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S312

Body wiring harness, approximately 29 cm (11 in) from C200, in conduit routed along LH side of vehicle

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S314

Body wiring harness, approximately 18 cm (7 in) from C200, in conduit routed along LH side of vehicle

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S317

Body wiring harness, approximately 87 cm (34 in) from C200, in cross-car portion of body harness center console area

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S326

Body wiring harness, approximately 46 cm (18 in) from C200, in conduit routed along LH side of vehicle

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S347

Body wiring harness, approximately 27 cm (11 in) from C200, in conduit routed along LH side of vehicle

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