GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Ashtray Lamp

Located within the ashtray compartment

Lighting Systems Component Views

Lighting Systems Connector End Views

Center High Mounted Stop Lamp (CHMSL)

Lower center of rear compartment lid

Lighting Systems Component Views

Lighting Systems Connector End Views

Dash Integration Module (DIM)

Behind instrument panel, above the right dash sound insulator

Body Control Module Components in Body Control System

Body Control System Connector End Views in Body Control System

Data Link Connector

Lower left side of instrument panel

Data Link Communications Component Views in Data Communications

Data Link Communications Connector End Views in Data Communications

Drivers Door Module (DDM)

Behind LH front door trim panel, in the upper right corner of the door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Fog Lamp Switch

Located on the dash panel left of the steering column under the blower vents

Lighting Systems Component Views

Lighting Systems Connector End Views

Hazard Flasher Switch

Center of instrument panel near RH side of instrument cluster

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp Switch

On steering column, part of turn signal multifunction lever

Lighting Systems Component Views

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Heads Up Display Dimmer Switch

Upper left of instrument panel, left of the instrument cluster

Instrument Cluster and HUD Component Views in Instrument Panel, Gauges and Console

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

Heater and A/C Control

Center of the instrument panel, left of the instrument cluster

HVAC Component Views in HVAC

HVAC Connector End Views in HVAC

Ignition Key Cylinder Lamp

Mounted within the ignition switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Inflatable Restraint Steering Wheel Module Coil

Left front of the passenger compartment behind the center of the steering wheel (body harness to steering wheel coil harness)

SIR Component Views in SIR

SIR Connector End Views in SIR

Instrument Cluster

In the front passenger compartment, center left side of the instrument panel

Instrument Cluster and HUD Component Views in Instrument Panel, Gauges and Console

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

Instrument Panel Integration Module (IPM)

Behind the instrument cluster, above the left dash sound insulator

Body Control Module Components in Body Control System

Body Control System Connector End Views in Body Control System

Interior Lamp Switch

Integral part of the fog lamp switch

Lighting Systems Component Views

Lighting Systems Connector End Views

IP Compartment Switch/Lamp

RH side of instrument panel inside IP compartment

Lighting Systems Component Views

Lighting Systems Connector End Views

IP Dimmer Switch

Integral part of the fog lamp switch

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Backup Lamp

LH rear corner of vehicle part of LH rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Fog Lamp

Front LH side of front fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Front Door Courtesy Lamp

On LH front door trim door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Front Door Lock Actuator

LH front door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Front Foot Well Courtesy Lamp

Front LH side of passenger compartment under instrument panel

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Front Park/Turn Signal Lamp

LH front corner of vehicle part of LH front lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Front Power Door Lock Switch

On LH front door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Front Power Window Switch

On LH front door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH High Beam Headlamp

LH front corner of vehicle part of LH front lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

LH License Plate Lamp

Center rear of vehicle above the LH side of the license plate

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Low Beam Headlamp

LH front corner of vehicle part of LH front lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Rear Door Courtesy Lamp

On LH rear door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Rear Door Lock Actuator

On LH rear door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Rear Door Module (LRDM)

In LH rear door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Rear Park/Stop Lamp

LH rear corner of vehicle part of LH rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Rear Reading/Courtesy Lamp

LH rear of passenger compartment above the LH rear door opening

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Rear Side Marker Lamp

LH rear side of vehicle in rear bumper fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Rear Turn Signal Lamp

LH rear corner of vehicle part of LH rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

LH Steering Wheel Controls

On the LH side of the steering wheel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

LH Vanity Lamp

LH front of passenger compartment, in the LH sunshade

Lighting Systems Component Views

Lighting Systems Connector End Views

Memory Function Switch

On LH front door trim panel.

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Radio

Center of instrument panel near the heater controls

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Rear Compartment Courtesy Lamp

Center front of rear compartment

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Compartment Lid Release Actuator

Center of rear compartment lid, at latch assembly

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Rear Fuse Block

Rear of passenger compartment under the rear seat

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Rear Integration Module (RIM)

Behind rear seat cushion, upper left

Body Control Module Components in Body Control System

Body Control System Connector End Views in Body Control System

RH Backup Lamp

RH rear corner of vehicle part of RH rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Fog Lamp

Front RH side of front fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Front Door Courtesy Lamp

On RH front door trim door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Front Door Lock Actuator

RH front door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Front Door Module (RFDM)

In RH front door, behind door trim panel , in the upper right corner of the door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Front Foot Well Courtesy Lamp

Front RH side of passenger compartment under instrument panel

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Front Park/Turn Signal Lamp

RH front corner of vehicle part of RH front lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Front Power Door Look Switch

On RH front door trim door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Front Power Window Switch

On RH front door trim door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH High Beam Headlamp

RH front corner of vehicle part of RH front lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

RH License Plate Lamp

Center rear of vehicle above the RH side of the license plate

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Low Beam Headlamp

RH front corner of vehicle part of RH front lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Rear Door Courtesy Lamp

On the RH rear door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Rear Door Lock Actuator

On the RH rear door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Rear Door Module (RRDM)

In RH rear door, behind door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Rear Park/Stop Lamp

RH rear corner of vehicle part of RH rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Rear Reading/Courtesy Lamp

RH rear of passenger compartment above the RH rear door opening

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Rear Side Marker Lamp

RH rear side of vehicle in rear bumper fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Rear Turn Signal Lamp

RH rear corner of vehicle part of RH rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

RH Steering Wheel Controls

On the RH side of the steering wheel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

RH Vanity Lamp

RH front of passenger compartment, in RH sunshade

Lighting Systems Component Views

Lighting Systems Connector End Views

Shift Indicator Lamp

Center front of passenger compartment on center console

Lighting Systems Component Views

Lighting Systems Connector End Views

Stoplamp/Auto Trans Shift Lock Control Switch

LH lower front corner of passenger compartment on bracket above the brake pedal below ABS/TCC switch

Shift Lock Control Component Views in Automatic Transmission

Shift Lock Control Connector End Views in Automatic Transmission

Traction Control Switch

Center front of passenger compartment on center console

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Turn Signal/Hazard Flasher Module

Center of IP panel, LH side of instrument cluster, Part of Hazard Flasher Switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Turn Signal Multifunction Lever

LH side of instrument panel on LH side of steering column

Lighting Systems Component Views

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Underhood Fuse Block

In the engine compartment on the underside of the hood

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C108 (7 cavities)

Forward Lamp Harness to Headlamp Harness LH front corner of engine compartment near the LH headlamp

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C109 (7 cavities)

Forward Lamp Harness to Headlamp Harness RH front corner of engine compartment near the RH headlamp

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (40 cavities)

LH lower front corner of passenger compartment on underside of instrument panel (Body Harness to IP Round Harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (40 cavities)

RH lower front corner of passenger compartment on underside of instrument panel (Body Harness to IP Round Harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202 (40 cavities)

LH lower front corner of passenger compartment on steering column (Body Harness to Steering column Harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C210

Instrument panel dash harness inline to the center console harness, located behind the radio

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C211

Instrument panel dash harness inline to the ashtray harness, located behind the radio

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C215 (32 cavities)

LH lower front corner of passenger compartment on LH side of instrument panel (Body Harness to IP Flex Harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C216 (30 cavities)

LH Upper front corner of passenger compartment on LH side of instrument panel (Body Harness to IP Flex Harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C302

Bottom left rear corner of the left front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C329 (18 cavities)

Behind the left rear C-pillar interior trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C400 (6 cavities)

In the rear left wheel well on the frame rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C402 (6 cavities)

Behind right rear tail light assembly

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C406

Behind the rear seat back on the left side near the rear shelf

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C412

Right rear body harness inline to the license plate lamp harness, located next to the automatic level control valve solenoid

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C500 (18 cavities)

LH lower front corner of passenger compartment in LH front door pillar (Body Harness to LH Front Door Harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C503 (22 cavities)

LH front door between door and door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C600 (18 cavities)

RH front door in the pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C603 (22 cavities)

LH front door between door and door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C700 (10 cavities)

LH rear door pillar near P700 pass thru

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C703 (10 cavities)

LH rear door between door and door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C800 (10 cavities)

RH rear door pillar near P800 pass thru

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C803 (10 cavities)

RH rear door between door and door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103

Front left corner of the engine compartment above the frame rail on the in front of the Underhood Fuse Block

Power and Grounding Component Views in Wiring Systems

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G200

LH front lower corner of passenger compartment on LH front door pillar

Power and Grounding Component Views in Wiring Systems

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G201

Lower right corner of passenger compartment on right front door pillar

Power and Grounding Component Views in Wiring Systems

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G401

On the lower right corner of the trunk forward of the tail lamp

Power and Grounding Component Views in Wiring Systems

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G402

On the lower left corner of the trunk forward of the tail lamp

Power and Grounding Component Views in Wiring Systems

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P402

Behind the right rear taillight assembly

Harness Routing Views in Wiring Systems

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P403

Behind the left rear taillight assembly

Harness Routing Views in Wiring Systems

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P500

LH front door between door and pillar

Harness Routing Views in Wiring Systems

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P600

RH front door between door and pillar

Harness Routing Views in Wiring Systems

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P700

LH rear door between door and pillar

Harness Routing Views in Wiring Systems

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P800

RH rear door between door and pillar

Harness Routing Views in Wiring Systems

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S100

In the forward lamp harness 4.0 cm (1.6 in) from the G103 breakout

Harness Routing Views in Wiring Systems

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S203

In the Instrument Panel Harness 6.5 cm (2.5 in) from the IPM breakout

Harness Routing Views in Wiring Systems

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S204

In the Instrument Panel Harness 6.5 cm (2.5 in) from the C216 breakout

Harness Routing Views in Wiring Systems

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S205

In the instrument panel harness 6.5 cm (2.5 in) from the C216 breakout

Harness Routing Views in Wiring Systems

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S206

In the Instrument Panel Harness 13 cm (5 in) from the C216 breakout

Harness Routing Views in Wiring Systems

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S207

In the Instrument Panel Harness 19.5 cm (7.6 in) from the C204 breakout

Harness Routing Views in Wiring Systems

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S216

In the Body Harness LH side of vehicle 17 cm (6.7 in) from Pass Through P100

Harness Routing Views in Wiring Systems

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S223

In the steering column harness

Harness Routing Views in Wiring Systems

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S225

In the steering column harness

Harness Routing Views in Wiring Systems

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S227

In the steering column harness

Harness Routing Views in Wiring Systems

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S228

In the steering column harness

Harness Routing Views in Wiring Systems

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S309

In the Body Harness right side of vehicle 12 cm (4.7 in) from rear fuse block breakout

Harness Routing Views in Wiring Systems

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S311

In the Body Harness right side of vehicle 6.5 cm (2.5 in) forward of crosscar breakout

Harness Routing Views in Wiring Systems

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S312

In the Body Harness right side of vehicle 6.5 cm (2.5 in) rear of the crosscar breakout

Harness Routing Views in Wiring Systems

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S329

In the headliner harness 15.6 cm (6.1 in) from C329

Harness Routing Views in Wiring Systems

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S332

In the headliner, approximately 42 cm (16.5 in) from the overhead console connector breakout

Harness Routing Views in Wiring Systems

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S333

In the headliner, approximately 35.5 cm (14 in) from the overhead console connector breakout

Harness Routing Views in Wiring Systems

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S406

Right tail lamp jumper harness, approximately 16.5 cm (6.5 in) from C402, towards P402

Harness Routing Views in Wiring Systems

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S407

Left tail lamp jumper harness, approximately 16.5 cm (6.5 in) from C400, towards P403

Harness Routing Views in Wiring Systems

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S408

Right tail lamp jumper harness, approximately 23 cm (9 in) from C402, towards P402

Harness Routing Views in Wiring Systems

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S409

Left tail lamp jumper harness, approximately 23 cm (9 in) from C400, towards P403

Harness Routing Views in Wiring Systems

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S411

In the rear compartment lid harness 34.5 cm (13.5 in) from P410 breakout

Harness Routing Views in Wiring Systems

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S500

In the left front door trim harness, in the left front door, 19 cm (7.4 in) from C503

Harness Routing Views in Wiring Systems

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S501

In the left front door trim harness, in the left front door, 19 cm (7.4 in) from C503

Harness Routing Views in Wiring Systems

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S603

In the RH front door trim harness 9 cm (3.5 in) from the C603 breakout

Harness Routing Views in Wiring Systems

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S604

In the RH front door trim harness 19 cm (7.5 in) from the C603 breakout

Harness Routing Views in Wiring Systems

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SP301

In the Body Harness Splicesaver LH side of vehicle 8.5 cm (3.4 in) from G300 breakout

Harness Routing Views in Wiring Systems

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SP306

In the Body Harness Splicesaver left side of vehicle 8 cm (3.1 in) from rear fuse block breakout

Harness Routing Views in Wiring Systems

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SP310

In the Body Harness Splicesaver right side of vehicle 18 cm (7.1 in) from rear fuse block breakout

Harness Routing Views in Wiring Systems

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