GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Ashtray Lamp

Inside the ashtray assembly

--

--

Automatic Transaxle Control Position Indicator Bulb

Inside the floor console, near the shifter

Lighting Systems Component Views

Lighting Systems Connector End Views

Backup Lamp

Rear of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Body Control Module (BCM)

Below the left side of the IP, left of the steering column

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Center High Mounted Stop Lamp (CHMSL)

Center of the rear window panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamp (DRL) Ambient Light Sensor

Center of top of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamp (DRL) Control Module

Below the left side of the IP, left of the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamp (DRL) Diode

Below the left side of the IP, mounted on the cross beam above the park brake

Lighting Systems Component Views

Lighting Systems Connector End Views

Door Lock Switch

In the center of the front door panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Driver Information Display (DID)

Right side of the instrument cluster

Driver Information System Components Views in Instrument Panel, Gauges, and Console

Driver Information Systems Connector End Views in Instrument Panel, Gauges, and Console

Driver Seat Heater Switch

In the floor console forward of the shifter handle

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Fog Lamp

Front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp Switch

Left side of the instrument cluster

Lighting Systems Component Views

Lighting Systems Connector End Views

Front Door Courtesy Warning Lamp

Lower rear of the door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Front Door Lock (Ajar Switch)

Rear of the front door in the door latch

Lighting Systems Component Views

Lighting Systems Connector End Views

Front Door Lock (Actuator)

Rear of the front door in the door latch

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Front Side Marker Lamp

Part of the headlamp assembly, front of the vehicle

--

--

Front Window Switch

In the center of the front door panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Fuse Block

Right side of the IP, in the IP compartment opening

Power and Grounding Component Views in Wiring Systems

--

Hazard Lamp/Turn Signal Lamp Flasher

Below the left side of the IP, mounted to the leading face of the BCM mounting bracket

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp

Front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp Dimmer Switch

Part of the turn signal switch, mounted inside the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp Switch

Left side of the IP, left of the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Heater-A/C Control (C 60)

Center of the IP

HVAC Component Views in HVAC

HVAC Connector End Views in HVAC

Heater-A/C Control (CJ 2)

Center of the IP

HVAC Component Views in HVAC

HVAC Connector End Views in HVAC

IP Compartment Lamp

Right side of the IP compartment opening

Lighting Systems Component Views

Lighting Systems Connector End Views

IP Compartment Lamp Switch

Right side of the IP compartment opening

Lighting Systems Component Views

Lighting Systems Connector End Views

IP Courtesy Lamp

Below the IP above the footwell

Lighting Systems Component Views

Lighting Systems Connector End Views

Inflatable Restraint Steering Wheel Module Coil

Behind the steering wheel inside the steering column

SIR Component Views in SIR

SIR Connector End Views in SIR

Inside Rearview Mirror

Top center of the windshield

Lighting Systems Component Views

or

Stationary Windows Component Views

Lighting Systems Connector End Views

or

Stationary Windows Connector End Views

Instrument Cluster

Left side of the IP

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 Cluster Head-Up Display (HUD)

Top of the left side of the IP

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 Cluster Head-Up Display (HUD) Dimmer Switch

Below the instrument cluster, on the right side steering column

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

License Lamp

Center of the rear fascia, in the license plate opening

Lighting Systems Component Views

--

Park Brake Indicator Switch

Below the left side of the IP, part of the park brake assembly

--

--

Park/Turn Lamp

Front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Powertrain Control Module (PCM)

Left side of the engine compartment, inside the air cleaner assembly

Engine Controls Component Views in Engine Controls - 3.1L

or

Engine Controls Component Views in Engine Controls - 3.8L

Powertrain Control Module Connector End Views in Engine Controls - 3.1L

or

Powertrain Control Module Connector End Views in Engine Controls - 3.8L

Radio

Center of the IP

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Rear Compartment Courtesy Lamp

In the rear compartment, below the center of the rear window panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Compartment Courtesy Lamp Diode

Body wiring harness, Inside rear compartment, approximately 17 cm (7 in) from the center high mounted stop lamp (CHMSL) breakout

--

--

Rear Compartment Courtesy Lamp Switch

Mounted to the rear compartment lid, near the latch

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Compartment Lid Ajar Switch

Mounted to the rear compartment lid, near the latch

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Door Lock (Actuator)

Rear of the rear door in the door latch

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Rear Side Marker Lamp

Rear of the vehicle in the rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Window Switch

Center of the door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Roof Rail Courtesy Lamp

Mounted to the sides of the headliner above the rear side windows

Lighting Systems Component Views

Lighting Systems Connector End Views

Roof Rail Courtesy/Reading Lamp

Mounted to the sides of the headliner above the rear side windows

Lighting Systems Component Views

Lighting Systems Connector End Views

Steering Wheel Radio Control Switches

Left and right sides of the inflatable restraint steering wheel inflator module

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Stop Lamp Switch

Below the left side of the IP, in the right side of the brake pedal bracket

Lighting Systems Component Views

Lighting Systems Connector End Views

Sunshade Illuminated Mirror

Mounted to the sunshade, on the sides of the windshield header

Lighting Systems Component Views

Lighting Systems Connector End Views

Tail/Stop/Turn Lamp

Rear of the vehicle in the rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Transaxle Range Switch

Left rear of the engine compartment, on the transaxle

Engine Controls Component Views in Engine Controls - 3.1L

or

Engine Controls Component Views in Engine Controls - 3.8L

Powertrain Control Module Connector End Views in Engine Controls - 3.1L

or

Powertrain Control Module Connector End Views in Engine Controls - 3.8L

Trip Calculator

Right side of the instrument cluster

Driver Information System Components Views in Instrument Panel Gauges, and Console

Driver Information Systems Connector End Views in Instrument Panel, Gauges, and Console

Turn Signal Switch

Inside steering column, below the inflatable restraint steering wheel module coil

Lighting Systems Component Views

Lighting Systems Connector End Views

Underhood Accessory Wiring Junction Block

Right side of the engine compartment, mounted to the strut tower

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Windshield Header Courtesy/Reading Lamps

Center of the windshield header

Lighting Systems Component Views

Lighting Systems Connector End Views

C101 (20 cavities)

IP wiring harness to the engine wiring harness, on the left side of the engine compartment on the front of the strut tower

Harness Routing Views in Wiring Systems

--

C141 (8 cavities)

Forward lamp wiring harness to the left headlamp wiring harness, behind the headlamp

Harness Routing Views in Wiring Systems

--

C142 (8 cavities)

Forward lamp wiring harness to the right headlamp wiring harness, behind the headlamp

Harness Routing Views in Wiring Systems

--

C200 (56 cavities)

IP wiring harness to the body wiring harness, behind the right side of the IP, near the shroud

Harness Routing Views in Wiring Systems

--

C201 (48 cavities)

IP wiring harness to the steering column wiring harness, behind the IP on the right side of the steering column

Harness Routing Views in Wiring Systems

--

C205 (4 cavities)

IP wiring harness to the SIR coil wiring harness, behind the IP on the right side of the steering column

Harness Routing Views in Wiring Systems

--

C240 (10 cavities)

IP wiring harness to the front floor console wiring harness, behind the front end of the console

Harness Routing Views in Wiring Systems

--

C301 (16 cavities)

Body wiring harness to the left front door wiring harness, behind the trim at the base of the A pillar

Harness Routing Views in Wiring Systems

--

C302 (16 cavities)

Body wiring harness to the right front door wiring harness, behind the trim at the base of the A pillar

Harness Routing Views in Wiring Systems

--

C303 (10 cavities)

Body wiring harness to the left front door wiring harness, behind the trim at the base of the A pillar

Harness Routing Views in Wiring Systems

--

C304 (10 cavities)

Body wiring harness to the right front door wiring harness, behind the trim at the base of the A pillar

Harness Routing Views in Wiring Systems

--

C355 (8 cavities)

Body wiring harness to the left rear door wiring harness, behind the trim at the base of the B pillar

Harness Routing Views in Wiring Systems

--

C356 (8 cavities)

Body wiring harness to the right door wiring harness, behind the trim at the base of the B pillar

Harness Routing Views in Wiring Systems

--

C390 (8 cavities)

Body wiring harness to the dome lamp wiring harness, in the rear compartment under the right side of the rear window panel

Harness Routing Views in Wiring Systems

--

C400 (6 cavities)

Body wiring harness to the rear lamp wiring harness, behind the trim at the right rear corner of the rear compartment

Harness Routing Views in Wiring Systems

--

C430 (4 cavities)

Body wiring harness to the rear compartment lid lock release wiring harness, in the rear compartment under the left side of the rear window panel

Harness Routing Views in Wiring Systems

--

G101

Left side of the front end upper tie bar, near the headlamp

Harness Routing Views in Wiring Systems

--

G200

Right side of the IP cross beam, behind the fuse block

Harness Routing Views in Wiring Systems

--

G301

Inside the left door sill, forward of the left front seat

Harness Routing Views in Wiring Systems

--

G302

Right door sill, forward of the right front seat

Harness Routing Views in Wiring Systems

--

P100

Lower right side of the dash panel

Harness Routing Views in Wiring Systems

--

P101

Upper left side of the dash panel

Harness Routing Views in Wiring Systems

--

P400

Right rear of the rear compartment

Harness Routing Views in Wiring Systems

--

P500

Left A pillar

Harness Routing Views in Wiring Systems

--

P600

Right A pillar

Harness Routing Views in Wiring Systems

--

P700

Left B pillar

Harness Routing Views in Wiring Systems

--

P800

Right B pillar

Harness Routing Views in Wiring Systems

--

S124

Forward lamp wiring harness, behind the left headlamp, approximately 30 cm (12 in) from the G101 breakout

--

--

S203

IP harness, above the instrument cluster, approximately 4 cm (2 in) from the fog lamp switch, instrument cluster breakout

--

--

S204

IP wiring harness, behind the IP near right side of the steering column, approximately 4 cm (2 in) from the data link connector breakout

--

--

S205

IP wiring harness, below the IP near C201, approximately 14 cm (6 in) from the G201 breakout

--

--

S206

IP wiring harness, right side of the steering column, approximately 4 cm (2 in) from the data link connector breakout

--

--

S209

IP wiring harness, behind the right side of the instrument cluster, approximately 20 cm (8 in) from the driver information display/trip calculator breakout

Harness Routing Views in Wiring Systems

--

S211

IP wiring harness, behind the center of the IP, approximately 11 cm (4 in) from the data link connector

--

--

S212

IP wiring harness, behind the right side of the instrument cluster, approximately 13 cm (5 in) from the driver information display/trip calculator breakout

--

--

S213

IP wiring harness, approximately 4 cm (2 in) from the blower motor resistors/control module breakout

--

--

S221

IP wiring harness, right side of the steering column, approximately 17 cm (7 in) from the data link connector breakout

--

--

S230

IP wiring harness, on the right side of the steering column, approximately 4 cm (2 in) from the data link connector breakout

--

--

S257

IP wiring harness, behind the center of IP, approximately 24 cm (9 in) from the data link connector breakout

--

--

S259

IP wiring harness, below the right side of the IP, near the blower motor, approximately 8 cm (3 in) from the blower motor resistors/control module breakout

--

--

S265

IP wiring harness, behind the left side of the IP near the BCM, approximately 4 cm (2 in) from the rear compartment lid release relay breakout

Harness Routing Views in Wiring Systems

--

S273

IP wiring harness, behind the right side of the instrument cluster, approximately 22 cm (9 in) from the remote control door lock receiver breakout

--

--

S282

IP wiring harness, behind the left side of IP, approximately 4 cm (2 in) from the headlamp switch breakout

Harness Routing Views in Wiring Systems

--

S285

IP wiring harness, on the right side of the steering column, approximately 14 cm (5 in) from the data link connector breakout

--

--

S289

IP wiring harness, behind the right side of the instrument cluster, approximately 7 cm (3 in) from the driver information display/trip calculator breakout

Harness Routing Views in Wiring Systems

--

S290

IP wiring harness, behind the right side of the instrument cluster, approximately at the driver information display/trip calculator breakout

Harness Routing Views in Wiring Systems

--

S303

Body wiring harness, below the left side of the driver seat, approximately 5 cm (2 in) from ground G301 breakout

--

--

S309

Body wiring harness, below the right side of the front passenger seat, approximately 4 cm (2 in) from the G302 breakout

--

--

S311

Body wiring harness, below the right side of the front passenger seat, approximately 11 cm (4 in) from ground G302 breakout

--

--

S317

Body wiring harness, under the right front door sill, approximately 5 cm (2 in) from inline connector C302 breakout

--

--

S374

Front floor console wiring harness, near the automatic transaxle control, approximately 22 cm (9 in) from the automatic transaxle control position indicator bulb connector

Harness Routing Views in Wiring Systems

--

S375

Front floor console wiring harness, near the automatic transaxle control, approximately 11 cm (4 in) from the automatic transaxle control connector

--

--

S390

Dome lamp wiring harness, near the center of the windshield header, approximately 4 cm (2 in) from the windshield header courtesy/reading lamps breakout

Harness Routing Views in Wiring Systems

--

S393

Dome lamp wiring harness, approximately 4 cm (2 in) from the right courtesy lamp breakout

Harness Routing Views in Wiring Systems

--

S398

Dome lamp wiring harness, near the right center pillar, approximately 4 cm (2 in) from the left courtesy lamp breakout

Harness Routing Views in Wiring Systems

--

S399

Sunroof wiring harness, between the sunroof actuator motor C4 and the sunroof control module C1

--

--

S402

Rear lamp wiring harness, behind the right taillamp, approximately 4 cm (2 in) from the right tail/stop/turn signal lamp breakout

--

--

S406

Body wiring harness, below the rear window panel, approximately 10 cm (4 in) from inline connector C405(inline connector to fuel tank harness) breakout

--

--

S407

Rear lamp wiring harness, inside the right side of the rear compartment, approximately 12 cm (5 in) from pass-though P400

--

--

S416

Rear compartment lid wiring harness, near the rear compartment key cylinder, approximately 8 cm (3 in) from the rear compartment lid release (key) switch breakout

Harness Routing Views in Wiring Systems

--

S428

Body wiring harness, below the rear window panel, approximately 18 cm (7 in) from inline connector C405 (inline connector to the fuel tank harness)

--

--

S504

Left front door wiring harness, approximately 6 cm (2 in) from the left door lock switch breakout

--

--

S506

Left front door wiring harness, approximately 4 cm (2 in) from the left door lock switch breakout

--

--

S604

Left front door wiring harness, approximately 6 cm (2 in) from the right door lock switch breakout

--

--

S606

Left front door wiring harness, approximately 4 cm (2 in) from the right door lock switch breakout

--

--