GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM) (Luxury)

In the center floor console

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Cargo Door Contactor, Left Side

On the rear body opening and the door, on the upper left side

Power Door Systems Component Views

Power Door Systems Connector End Views

Cargo Door Contactor, Right Side

On the rear body opening and the door, on the upper right side

Power Door Systems Component Views

Power Door Systems Connector End Views

Cargo Door Lock Relay

Behind the LH C Pillar

Power Door Systems Component Views

Power Door Systems Connector End Views

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

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, 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

Power Door Systems Connector End Views

Door Lock Control Module

Behind the LH C Pillar

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Motor, Cargo

Inside the right rear door, at the lower right corner

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Motor, Left Front

Inside the left front door, part of the door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Motor, Left Rear

Inside the left rear door, part of the door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Motor, Right Front

Inside the right front door, part of the door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Motor, Right Rear

Inside the right rear door, part of the door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Relay

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

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch, Rear

On top of the right D pillar

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch, Left Front

On the left front door trim panel, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch, Right Front

On the right front door trim panel, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

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

IP Fuse Block

LH of the IP, near the LF door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Power Outside Rearview Mirror, LH

Outside Left Front Door

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Outside Rearview Mirror, RH

On the right front door, near the center of the A Pillar

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Outside Rearview Mirror Switch

Drivers Door Panel, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Master Switch

On the left front door, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Motor, Left Front

In the left front door, near the speaker

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Motor, Left Rear

In the left rear door, near the speaker

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Motor, Right Front

In the right front door, near the speaker

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Motor, Right Rear

In the right rear door, near the speaker

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Switch, Left Front

On the left front door trim panel, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Switch, Left Rear

On the left front door trim panel, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Switch, Right Front

On the right front door trim panel, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Window Switch, Right Rear

On the right rear door, below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Vehicle Interface Unit (VIU)

Underneath the Right Rear Seat Assembly

Cellular Communication Component Views in Cellular Communication

Cellular Communication Connector End Views in Cellular Communication

C206

Inside the lower left side A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C207

Inside the lower left side A pillar

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

C213

Inside the lower right side A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C214

Inside the lower right side A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C215

Inside the lower right side A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C243

Part of the crossbody harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C280

At the convenience center

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

C301

At the left front kick panel

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

C305 (Luxury)

Cross Body harness, Inline to Floor Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C496

In the right side B pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C498

In the left side B pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C499

In the left side B pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G202

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

Power and Grounding Component Views in Wiring Systems

--

G400 (Utility/Suburban)

On the right side B pillar, near the door striker

Power and Grounding Component Views in Wiring Systems

--

P500

At the left front door

Harness Routing Views in Wiring Systems

--

P600

At the right front door

Harness Routing Views in Wiring Systems

--

P700

At the left rear door

Harness Routing Views in Wiring Systems

--

P800

At the right rear door

Harness Routing Views in Wiring Systems

--

S204

IP harness, approx. 10 cm (4 in) from C100, towards Data Link Connector (DLC)

--

--

S208

IP harness, approx. 6 cm (2.5 in) from IP compartment box lamp breakout

--

--

S210 (Gas)

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

--

--

S218

IP harness, approx. 16 cm (6 in) from inflatable restraint switch breakout

--

--

S242

IP harness, approx. 12 cm (4.5 in) from inflatable restraint switch breakout, towards the Auxiliary Power Connectors

--

--

S247

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

--

--

S248

Crossbody harness, approx. 35 cm (13 in) before the LF door harness breakout, from C301

--

--

S251

Crossbody harness, approx. 13 cm (5 in) from LF Door harness breakout, toward IP harness breakout

--

--

S256 (Pickup/Extended Cab)

Crossbody harness, approx. 12 cm (4.5 in) from C210 breakout, toward LH Seat harness breakout

--

--

S256 (Utility/Suburban)

Crossbody harness, approx. 11 cm (4 in) from C210 breakout, toward the LH Seat harness breakout

--

--

S256 (Crew Cab)

Crossbody harness, approx. 1 cm (0.5 in) before door lock relay breakout, toward the LH Seat harness breakout

--

--

S257

Crossbody harness, approx. 8 cm (3 in) left of door lock relay breakout, toward IP harness breakout

--

--

S257 (Pickup/Extended Cab)

Crossbody harness, approx. 5 cm (2 in) from C231 breakout, toward IP harness breakout

--

--

S257 (Suburban/Utility)

Crossbody harness, approx. 5 cm (2 in) from C231 breakout, toward door lock relay breakout

--

--

S258

Crossbody harness, approx. 11.5 cm (4.5 in) from C231 breakout, toward LH door

Harness Routing Views in Wiring Systems

--

S259

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

--

--

S260

Crossbody harness, approx. 5.5 cm (2.2 in) from C229 breakout, toward RH door

Harness Routing Views in Wiring Systems

--

S261

Crossbody harness, approx. 12 cm (4.7 in) from seat belt switch breakout, toward RH door harness breakout

--

--

S262 (Crew Cab)

Crossbody harness, approx. 19 cm (7.5 in) from seat belt switch breakout, toward IP harness breakout

--

--

S262 (Suburban/Utility)

Crossbody harness, approx. 25 cm (10 in) from seat belt switch breakout, toward IP harness breakout

--

--

S264

IP harness, approx. 4 cm (1.5 in) from instrument cluster breakout, toward radio connectors breakout

--

--

S410 (2-Door Utility)

Front-to-rear body harness, approx. 37 cm (14.5 in) from RR door jamb switch breakout, toward RH door speaker breakout

--

--

S410 (4-Door Utility/Surburban)

Front-to-rear body harness, approx. 12 cm (4.5 in) from RR door speaker breakout, toward RR door jamb breakout

--

--

S434 (2-Door Utility)

Front-to-rear body harness, approx. 7 cm (2.5 in) from front dome lamp breakout, toward crossbody harness breakout

--

--

S434 (4-Door Utility/Suburban)

Front-to-rear body harness, approx. 20 cm (8 in) before the Rear Dome Lamp harness breakout, towards the HVAC Module

--

--

S434 (4-Door Utility/Suburban w/o C69)

Front-to-rear body harness, approx. 25 cm (10 in) into crossbody harness breakout, towards C301

--

--

S501

Inside LF door harness, at breakout to window motor regulator

--

--

S502

Inside LF for harness, approx. 4 cm (1.5 in) from tweeter speaker breakout, toward LF window regulator

--

--

S503

Inside L door harness approx. 25 cm (10 in) into outside rearview mirror breakout

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