GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Auxiliary Video Module (AVM)

Overhead console, Left side of video screen.

Entertainment Component Views

Entertainment Connector End Views

CD Player

In the center of the IP floor console.

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Data Link Connector (DLC)

Below the steering column, on the bottom of the knee bolster.

Entertainment Component Views

Data Link Communications Connector End Views in Wiring Systems

Door Speaker (LF/RF)

Inside front door.

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Fuse Block

Right side of instrument panel, in Right Front door opening.

Entertainment Component Views

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Headlamp and I/P Lamp Dimmer Switch

Left of instrument cluster.

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Inflatable Restraint Steering Wheel Module

In the center of the steering wheel, includes the horn switches.

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Steering Wheel Module Coil

In the center of the steering wheel, behind the inflatable restraint steering wheel module.

SIR Component Views in SIR

SIR Connector End Views in SIR

Interface Module (IM)

Inside overhead console, Left corner.

Entertainment Component Views

Entertainment Connector End Views

Powertrain Control Module (PCM)

In the engine compartment, secured in the air cleaner assembly.

Engine Controls Component Views in Engine Controls - 3.4L

Powertrain Control Module Connector End Views in Engine Controls - 3.4L

Radio

Center of instrument panel.

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Radio Control Switches

On the left and right sides of the inflatable restraint steering wheel module.

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Radio Liftgate Speakers, (LH/RH)

Inside liftgate.

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Rear Seat Audio (RSA) Control (4-Door)

In the left 2nd row seat armrest.

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Rear Seat Audio (RSA) Control (5-Door)

Overhead console, Right corner.

Entertainment Component Views

Entertainment Connector End Views

Second Seat Audio (SSA) Control

Overhead console, Right side of video screen.

Entertainment Component Views

Entertainment Connector End Views

Tape Retract Module (TRM)

Underneath Left side instrument panel, near Left side of the Data Link Connector (DLC), taped to the VCP harness.

Entertainment Component Views

Entertainment Connector End Views

Third Seat Audio (TSA) Control

Right quarter trim panel, next to the third row right seat.

Entertainment Component Views

Entertainment Connector End Views

Underhood Accessory Wiring Junction Block

In the engine compartment, at the front of the right wheelhouse, above the battery.

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Video Cassette Player (VCP)

Front floor console.

Entertainment Component Views

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Video Entertainment System (VES) Relay

Underneath Left side instrument panel, near Right side of the Data Link Connector (DLC), taped to the VCP harness.

Entertainment Component Views

Entertainment Connector End Views

Video Screen - Liquid Crystal Display (LCD)

In the center of the overhead console.

Entertainment Component Views

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Windshield Antenna

Within the windshield.

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C203

Instrument panel wiring harness to Left side of body wiring harness, Left side of steering column, below P101.

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C205

Instrument panel wiring harness to the steering wheel radio control wiring harness, mounted to the left side of the steering column near the base.

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C290

In the antenna coaxial cable wiring harness to the antenna coaxial cable wiring harness, behind the IP compartment.

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C302

Body wiring harness to the right front side door wiring harness, behind the right kick panel.

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C303

Body wiring harness to the left front side door wiring harness, behind the left kick panel, left of the parking brake.

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C308

Body wiring harness to the dome lamp wiring harness, inside the right B-pillar, behind the lower trim.

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C326

Inside overhead console, in front of the video display bracket assembly, tucked underneath the headliner.

Harness Routing Views in Wiring Systems

Entertainment Connector End Views

C328

Inside overhead console, in front of the video display bracket assembly, tucked underneath the headliner.

Harness Routing Views in Wiring Systems

Entertainment Connector End Views

C396

In the antenna coaxial cable wiring harness to the window radio antenna lead, above the roof headliner, at the center of the windshield.

Harness Routing Views in Wiring Systems

Entertainment Connector End Views

C402

Body wiring harness to the liftgate wiring harness, above the right rear side of the roof headliner, near P406 and the liftgate.

Harness Routing Views in Wiring Systems

Entertainment Connector End Views

G200

Right side of instrument panel, secured on underside of cross vehicle beam, to the left of the heater-A/C vent.

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G201

Left side of instrument panel, secured on underside of cross vehicle beam, above park brake assembly.

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G210

Left side of the front floor console bracket.

Harness Routing Views in Wiring Systems

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G390

Antenna coaxial cable secured with clamp, grounding the coaxial shield to the top of the windshield frame, at the right of the mirror.

Harness Routing Views in Wiring Systems

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P100

Right side of bulkhead, Left of right strut tower.

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P406

Between Right side of liftgate and roof.

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P500

Between the left A-pillar and the left front door.

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P600

Between the right A-pillar and the right front door.

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S202

Instrument panel wiring harness, Right side of the instrument panel, approximately 21 cm (8 in) from radio breakout.

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S203

Instrument panel wiring harness, Right side of the instrument panel, approximately 9 cm (4 in) from radio breakout.

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S223

Instrument panel wiring harness, Left side of instrument panel, approximately 6 cm (2 in) from radio and rear window wiper/washer multi-function switch breakout.

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S227

Instrument panel wiring harness, center of instrument panel, approximately 4 cm (2 in) from security indicator lamp breakout.

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S230

Instrument panel wiring harness, Right side of instrument panel, approximately 4 cm (2 in) from radio breakout.

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S242

Instrument panel wiring harness, Left side of instrument panel, approximately 14 cm (6 in) from radio and rear window wiper/washer multi-function switch breakout.

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S247

Instrument panel wiring harness, center of instrument panel, approximately 31 cm (12 in) from radio.

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S290

Video Cassette Player (VCP) wiring harness, next to the Video Entertainment System (VES) relay.

Harness Routing Views in Wiring Systems

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S291

Video Cassette Player (VCP) wiring harness, next to the Video Entertainment System (VES) relay.

Harness Routing Views in Wiring Systems

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S292

Video Cassette Player (VCP) wiring harness, approximately 30 cm (12 in) Right side of the VES relay.

Harness Routing Views in Wiring Systems

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S293

Instrument panel wiring harness, on radio wiring harness breakout, near radio harness connector C1.

Harness Routing Views in Wiring Systems

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S316

Body wiring harness, front of Right B-pillar, approximately 34 cm (13 in) from the inflatable restraint sensing and diagnostic module breakout.

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S320

Body wiring harness, near base of Right B-pillar, approximately 33 cm (13 in) forward of Right door lock switch plate (pillar mounted, plunger) breakout.

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S331

Body wiring harness, front of Left B-pillar, approximately 59 cm (23 in) from G301 breakout.

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