GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Below the right side of the IP, right of the IP compartment

Body Control System Component Views

Body Control System Connector End Views

Door Lock Switch Plate (Door Mounted, Striker)

Mounted to the lower, front end of the rear side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch Plate (Pillar Mounted, Striker)

Mounted to the lower, rear side of the B-pillar

Power Door Systems Component Views

Power Door Systems Connector End Views

Front Door Lock

Inside, rear end of the front door

Power Door Systems Component Views

Power Door Systems Connector End Views

Front Door Lock (Actuator)

Part of the front door lock

Power Door Systems Component Views

Power Door Systems Connector End Views

Front Door Lock (Ajar Indicator Switch)

Part of the front door lock

Power Door Systems Component Views

Power Door Systems Connector End Views

Front Door Lock Cylinder Switch

Inside the front door

Power Door Systems Component Views

Power Door Systems Connector End Views

Front Door Lock Switch

In the front door armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Front Window Regulator Motor

Inside the front door

Power Door Systems Component Views

Power Door Systems Connector End Views

Front Window Switch

In the armrest of the front door

Power Door Systems Component Views

Power Door Systems Connector End Views

Fuse Block

Right side of the IP, in the right front door opening

Power and Grounding Component Views

Electrical Center Identification Views

Heater-A/C Control

Center of the IP, below the radio

HVAC Component Views

HVAC Connector End Views

Heater-A/C Control (Rear Window Defogger Switch)

Part of the heater-A/C control

HVAC Component Views

HVAC Connector End Views

Instrument Cluster

Left side of the IP

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Interior Lamp and Multi-function Switch

Center in front of the roof headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Interior Lamp and Multi-function Switch (Power Sliding Door On/Off Switch)

Part of the interior lamp and multi-function switch

Lighting Systems Component Views

Power Door Systems Connector End Views

Interior Lamp and Multi-function Switch (Power Sliding Door Open/Close Switch)

Part of the interior lamp and multi-function switch

Lighting Systems Component Views

Power Door Systems Connector End Views

Liftgate Door Lock

Inside the liftgate, below the license plate

Body Rear End Component Views

Body Rear End Connector End Views

Liftgate Door Lock (Actuator)

Part of the liftgate door lock

Body Rear End Component Views

Body Rear End Connector End Views

Liftgate Door Lock Cylinder Switch

Inside the liftgate, above the license lamps

Body Rear End Component Views

Body Rear End Connector End Views

Outside Rearview Mirror

On the outside of the front door

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rearview Mirror (Heated Defogger)

In the outside rearview mirror

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rearview Mirror (Mirror Motor Pack)

In the outside rearview mirror

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rearview Mirror Remote Control Switch

Mounted to the top front left front door armrest panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Sliding Door Detent Switch

Inside the right rear door, mounted to the rear of the door

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Sliding Door Open/Close Switch (RH B-Pillar)

Middle of the right B-pillar

Power Door Systems Component Views

Power Door Systems Connector End Views

Power Sliding Door Unlatch Actuator

In the right power sliding door at the front of of the door

Power Door Systems Component Views

Power Door Systems Connector End Views

Powertrain Control Module (PCM)

Engine compartment, secured in the air cleaner assembly

Engine Controls Component Views

Engine Controls Connector End Views

Rear Door Lock (Actuator)

In the rear side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Rear Side Door Actuator Control Module

Right quarter panel, above the wheelhouse

Power Door Systems Component Views

Power Door Systems Connector End Views

Rear Side Door Actuator Motor

Right quarter panel, above the wheelhouse

Power Door Systems Component Views

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Rear Side Door Actuator Motor (Optical Sensor)

Part of the rear side door actuator motor

Power Door Systems Component Views

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Rear Sliding Door Alarm

Attached to the rear side door actuator motor

Power Door Systems Component Views

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Relay Center

Right side of IP, mounted to the bracket along with the BCM, near the rear top right side of the IP compartment

Power and Grounding Component Views

Power and Grounding Connector End Views

Remote Control Door Lock Receiver (RCDLR)

Behind the center of the IP, underside of the IP trim, near the windshield defrost vent

Keyless Entry Component Views

Keyless Entry Connector End Views

Sliding Door Jamb Switch

Mounted to the rear opening of the rear side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Transaxle Range Switch

Rear left side of the engine compartment, mounted to the top of the transaxle

Engine Controls Component Views

Automatic Transmission Related Connector End Views

Underhood Accessory Wiring Junction Block

Engine compartment, front of the right wheelhouse, above the battery

Power and Grounding Component Views

Power and Grounding Connector End Views

C101 (20 cavities)

IP wiring harness to the engine wiring harness, in the lower left side of the engine compartment, near the EBCM

Harness Routing Views

Inline Harness Connector End Views

C200 (56 cavities)

IP wiring harness to the right side of the body wiring harness, behind the right side of the IP compartment, below P100

Harness Routing Views

Inline Harness Connector End Views

C203 (56 cavities)

IP wiring harness to the left side of the body wiring harness, left side of the steering column, below P101

Harness Routing Views

Inline Harness Connector End Views

C301 (10 cavities)

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

Harness Routing Views

Inline Harness Connector End Views

C302 (16 cavities)

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

Harness Routing Views

Inline Harness Connector End Views

C303 (16 cavities)

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

Harness Routing Views

Inline Harness Connector End Views

C304 (10 cavities)

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

Harness Routing Views

Inline Harness Connector End Views

C308 (23 cavities)

Body wiring harness to the roof wiring harness, inside the right B-pillar, behind the lower trim

Harness Routing Views

Inline Harness Connector End Views

C400 (2 cavities)

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

--

Inline Harness Connector End Views

C401 (4 cavities)

Body wiring harness to the liftgate wiring harness, above the left rear side of the roof headliner, near P405 and the liftgate

Harness Routing Views

Inline Harness Connector End Views

C403 (3 cavities)

Body wiring harness to the liftgate wiring harness, above the left rear side of the roof headliner, near P405 and the liftgate

Harness Routing Views

Inline Harness Connector End Views

G200

Right side of the IP, secured on the underside of the cross car beam, left of the heater-A/C vent

Harness Routing Views

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G302

Secured near the base of the right B-pillar

Harness Routing Views

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G401

Secured to the lower left D-pillar

--

--

G402

Secured to the lower right D-pillar

Harness Routing Views

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P100

On the right side of the bulkhead, left of the right strut tower

Harness Routing Views

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P405

Between the left side of the liftgate and the roof

Harness Routing Views

--

P406

Between the right side of the liftgate and the roof

Harness Routing Views

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P500

Between the left A-pillar and the left front door

Harness Routing Views

--

P600

Between the right A-pillar and the right front door

Harness Routing Views

--

S202

IP harness, leftt side of the IP approximately 15 cm (6 in) from the rear window wiper/washer and multi-function switch breakout

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--

S209

IP harness, center of the IP approximately 8 cm (3 in) from the security indicator lamp breakout

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--

S213

IP harness, center of IP approximately 72 cm (28 in) from the cigar lighter

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--

S264

IP harness, right side of the IP approximately 16 cm (6 in) from the relay center breakout

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--

S275

IP harness, right side of the IP approximately 6 cm (2.5 in) from the BCM breakout

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--

S302

Body harness, right front door approximately 7 cm (3 in) from the inflatable restraint sensing and diagnostic module breakout

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--

S303

Body harness, front of the right B-pillar approximately 26 cm (10 in) from the inflatable restraint sensing and diagnostic module breakout

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--

S307

Body harness, under the right front door sill approximately 2 cm (1 in) from the inflatable restraint sensing and diagnostic module breakout

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--

S311

Body harness, under the right front door sill approximately 13 cm (5 in) from the C302 breakout

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--

S314

Body harness, under the right front seat approximately 2 cm (1 in) from the inflatable restraint sensing and diagnostic module breakout

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--

S315

Body harness, under the right front seat approximately 8 cm (3 in) from the inflatable restraint sensing and diagnostic module breakout

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--

S318

Body harness, under the right front door sill approximately 17 cm (7 in) C302 breakout

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--

S319

Body harness, under the right front door sill approximately 17 cm (7 in) C302 breakout

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--

S323

Body harness, under the left front seat approximately 7 cm (3 in) from the seat belt switch breakout

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--

S324

Body harness, top/forward area of the left rear wheel well approximately 5 cm (2 in) behind the second oval clamp

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--

S326

Body harness, top/forward area of the left rear wheel well approximately 13 cm (5 in) behind the second oval clamp

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--

S327

Body harness, under the left front seat approximately 13 cm (5 in) from the seat belt switch breakout

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--

S330

Body harness, left of B-pillar, approximately 40 cm (16 in) from seat belt switch breakout

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--

S390

Roof harness, overhead console approximately 10 cm (4 in) from the right sunshade lighted vanity mirror breakout

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--

S392

Roof harness, right B-pillar approximately 27 cm (10 in) from the power sliding door open/close switch (right B-pillar)

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--

S395

Roof harness, right side of the overhead console approximately 13 cm (5 in) from the he power sliding door open/close switch (right B-pillar) breakout

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--

S460

Liftgate harness center of the liftgate approximately 7 cm (3 in) from the liftgate lock cylinder switch breakout

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--

S504

Left door harness, left door approximately 10 cm (4 in) from the left window switch breakout

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--

S604 (w/AB5)

Right door harness, right door approximately 10 cm (4 in) from the right window switch breakout

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--

S604 (w/o AB5)

Right door harness, between P600 and the right front speaker breaker

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--

S817

Sliding door harness, inside the right rear side door approximately 11 cm (4 in) from the right rear door latch release actuator breakout

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