GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Automatic Day-Night Mirror with Compass

On the top inside center of the windshield, part of the inside rearview mirror

Stationary Windows Component Views in Stationary Windows

Stationary Windows Connector End Views in Stationary Windows

Body Control Module (BCM) (Luxury)

In the center floor console

Body Control System Component Views

Body Control System Connector End Views

Cargo Door Lock Relay

In the rear door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Convenience Center

Under the left side of the IP, on the bulkhead

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Courtesy Lamp, Left Side IP

Under the left side of the IP

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy Lamp, Right Side IP

Under the right side of the IP

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Door Jamb Switch, Cargo

At the rear body opening, part of the right rear cargo door contactor

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Door Jamb Switch, Liftgate

Inside the liftgate door

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Door Jamb Switch, Left Front

At the left end of the IP

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Door Jamb Switch, Left Rear

At the center inside edge of the left side B Pillar

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Door Jamb Switch, Right Front

At the right end of the IP

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Door Jamb Switch, Right Rear

At the center inside edge of the right side B pillar

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Door Lock Inversion Module

Left side of the IP, Inside the IP Support Bracket

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Relay

Under the center of the IP, near the remote control door lock receiver

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Headlamp and Panel Dimmer Switch

Lower Left side of the IP

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Horn Switch

At the top of the steering column, under the steering wheel pad

Horn Component Views in Horns

Horn Connector End Views in Horns

Ignition Switch

IP Steering Column, under Lock Cylinder

Standard Wheel/Column Component Views in Steering Wheel and Column

Standard Wheel/Column Connector End Views in Steering Wheel and Column

Inflatable Restraint IP Module

RH of IP, above IP Compartment Box

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint IP Module Switch (Pickup)

Center of IP

SIR Component Views in SIR

SIR Connector End Views in SIR

Instrument Cluster

On the upper left end of the IP, above the steering column

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

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

IP Fuse Block

To the left of the IP, near the left front door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Key-In Warning Buzzer Switch

In the steering column

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

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

Liftgate Release Relay

Right center of liftgate

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Seat Belt Switch, LF

Inside the Left Front Seat Belt Buckle

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Security LED (Luxury)

Top Center of the Center Floor Console

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

Shock Sensor (Luxury)

In the Center Floor Console

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

Stereo Controller, Rear

In the center Console

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Sunshade Mirror Lamp, Left Side

Part of the left side sunvisor

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Sunshade Mirror Lamp, Right Side

Part of the right side sunvisor

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Underhood Fuse Block

In the left rear side of the engine compartment, on the fender

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Interface Unit

Under the RR seat

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C100

Part of the engine harness to IP harness, in the left rear side of the engine compartment, at the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C209

Inside the lower left side A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C210

At the convenience center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C211

Under the left front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C266

Part of the IP harness to steering column harness, to the left side of the steering column, near the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C271

IP harness to Roof Lamp & Mirror harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C298

Behind the left side of the IP, near the convenience center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C302

At the LF kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304 (Luxury)

IP harness, Inline to Floor Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (Luxury)

Cross Body harness, Inline to Floor Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

Behind the left side of the IP, below the fuse block, on the tie bar

Power and Grounding Component Views in Wiring Systems

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G202

On the right side of the instrument panel, mounted to the HVAC plenum bracket

Power and Grounding Component Views in Wiring Systems

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S167 (All Except Z56, Police Package/Luxury)

Engine harness, approx. 18 cm (7 in) from G115

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--

S167 (Z56 Police Package/Luxury Only)

Battery harness, approx. 35 cm (13.5 in) from C121

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--

S210 (Gas)

IP harness, approx. 4 cm (1.5 in) from auxiliary power outlet breakout

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--

S210 (Diesel)

IP harness, approx. 14 cm (5.5 in) from steering column harness breakout

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--

S213

IP harness, approx. 4 cm (1.5 in) from steering column harness breakout, towards the DLC

--

--

S247

Crossbody harness, approx. 6 cm (2.5 in) into LH door harness breakout

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--

S259

Crossbody harness, approx. 7 cm (2.5 in) into seat belt switch harness, toward C212

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--

S290

IP harness, approx. 8 cm (3 in) before the radio harness breakout, from C304

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--

S292

IP harness, approx. 22 cm (8.5 in) before the radio harness breakout, from C304

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--

S298

IP harness, approx. 24 cm (9.5 in) from instrument cluster breakout, toward radio breakout

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--

S330

Floor console harness approx. 13 cm (5 in) from LH heated seat switch breakout

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--

S333

Floor console harness approx. 12 cm (4.5 in) from CD player harness breakout

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--

S335

Floor console harness approx. 5 cm (2 in) from C304 harness breakout, towards the BCM

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--

S336

Floor console harness approx. 5 cm (2 in) from cross body incline connector harness breakout

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