GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Cellular Telephone

Lower RH A-pillar just below the BCM.

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Cellular Communication Connector End Views in Cellular Communication

Compact Disk Changer

RH side of the rear compartment, behind the trim panel

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Entertainment Connector End Views

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

Fuse Block

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

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Headlamp Switch

LH side of the I/P

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Lighting Systems Connector End Views in Lighting Systems

Heated Outside Rear View Mirror and Rear Window Defogger Relay K35

Lower I/P, to the RH side of the steering column, on the relay box (roman numeral III)

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Stationary Windows Connector End Views in Stationary Windows

Inflatable Restraint Steering Wheel Module Coil

Mounted on the steering column, beneath the inflatable restraint steering wheel module

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SIR Connector End Views in SIR

Multifunction Relay K134

Under the LH side of the I/P

Body Control System Component Views in Wiring Systems

Lighting Systems Connector End Views in Lighting Systems

Radio Antenna Amplifier

On top of the rear deck, under the trim panel

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Radio Front Side Door Speaker (LH)

Attached to the lower RH corner of the LH front side door

Power Door Systems Component Views in Doors

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Radio Front Side Door Speaker (RH)

Attached to the lower LH corner of the RH front side door

Power Door Systems Component Views in Doors

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Radio Front Side Door Speaker (tweeter) (LH)

Attached to the upper RH corner of the LH front side door

Power Door Systems Component Views in Doors

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Radio Front Side Door Speaker (tweeter) (RH)

Attached to the upper LH corner of the RH front side door

Power Door Systems Component Views in Doors

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Radio Rear Side Door Speaker (LH)

Attached to the lower RH corner of the LH front side door

Power Door Systems Component Views in Doors

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Radio Rear Side Door Speaker (RH)

Attached to the lower LH corner of the RH front side door

Power Door Systems Component Views in Doors

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Radio Rear Side Door Speaker (tweeter) (LH)

Attached to the lower RH corner of the LH front side door

Power Door Systems Component Views in Doors

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Radio Rear Side Door Speaker (tweeter) (RH)

Attached to the lower LH corner of the RH front side door

Power Door Systems Component Views in Doors

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Radio Rear Shelf Speaker (sub woofer) (LH)

On top of the rear deck, on the LH side

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Radio Rear Shelf Speaker (sub woofer) (RH)

On top of the rear deck, on the RH side

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Radio Speaker Amplifier

In the rear compartment, in the tray that is attached to the rear deck

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Entertainment Connector End Views

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

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Entertainment Connector End Views

Rear Wheel Speed sensor (RH)

Mounted inboard, on the RH side of the rear axle differential

Antilock Brake System Component Views in Antilock Brakes

Antilock Brake System Connector End Views in Antilock Brakes

Rear Window Defogger Grid

Mounted on the rear window

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Sound Processor Interface

In the rear compartment, in the tray that is attached to the rear deck

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Entertainment Connector End Views

Steering Wheel Radio control Switch

Attached to the steering wheel

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C200A

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

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201

Body wiring harness to cellular phone processing station, located located near lower RH A -pillar next to BCM.

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C202

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

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C210

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

Body Control System Component Views in Body Control System

Inline Harness Connector End Views in Wiring Systems

C303

Body wiring harness to LH rear side door wiring harness, inside the lower LH B-pillar

Power Door Systems Component Views in Doors

Inline Harness Connector End Views in Wiring Systems

C304

Body wiring harness to RH rear side door wiring harness, inside the lower RH B-pillar

Power Door Systems Component Views in Doors

Inline Harness Connector End Views in Wiring Systems

C500

Body wiring harness to the LH front side door wiring harness, at lower LH A-pillar, near G200

Power Door Systems Component Views in Doors

Inline Harness Connector End Views in Wiring Systems

C600

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

Power Door Systems Component Views in Doors

Inline Harness Connector End Views in Wiring Systems

G201

I/P wiring harness, mounted near the relay box

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P300

At the lower RH B-pillar

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P301

At the lower LH B-pillar

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P302

In the passenger compartment, underneath the rear seats

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P500

In the LH front side door, approximately 12 cm (5 in) from the outside remote control rear view mirror switch connector branch break off

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P600

In the RH front side door, approximately 25 cm (10 in) from the RH front side door lock switch connector branch break off

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P700

Between the front of the LH rear side door and the lower LH B-pillar

Power Door Systems Component Views in Doors

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P800

Between the front of the RH rear side door and the lower RH B-pillar

Power Door Systems Component Views in Doors

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S211

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

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S213

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

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S220

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

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S232

I/P wiring harness, near the heater and A/C control connector branch break off

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S241

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

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S242

Rear amplifier wiring harness, near the C210 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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S501

LH front side door wiring harness, approximately 31 cm (13 in) from the outside rear view mirror connector branch break off

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S503

LH front side door wiring harness, approximately 31 cm (10 in) from the outside rear view mirror connector branch break off

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S600

RH front side door wiring harness, approximately 26 cm (10 in) from the C600 branch break off

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S601

RH front side door wiring harness, approximately 26 cm (10 in) from the C600 branch break off

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