GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

ABS/TCC Switch

Under right hand of the instrument panel, near the top of the brake pedal

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Engine Controls Connector End Views in Engine Controls - 4.6L

Air Inlet Actuator

Left hand of instrument panel, on the HVAC module

HVAC Component Views in HVAC Systems with A/C Automatic

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Blower Control Module

Under left hand of the instrument panel, near the center heater outlets

HVAC Component Views in HVAC Systems with A/C Automatic

HVAC Connector End Views in HVAC Systems with A/C Automatic

Blower Motor

Under left hand of the instrument panel, near the center heater outlets

HVAC Component Views in HVAC Systems with A/C Automatic

HVAC Connector End Views in HVAC Systems with A/C Automatic

Brake Fluid Level Switch

Right hand rear corner of the engine compartment, in the master cylinder reservoir

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Dash Integration Module (DIM)

Left hand of the instrument panel near the blower motor

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Data Link Connector (DLC)

Under right hand of the instrument panel, near the steering column

Data Link Communications Component Views

Data Link Communications Connector End Views

Driver Air Mix Actuator

Right hand of the instrument panel, on the HVAC module

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HVAC Connector End Views in HVAC Systems with A/C Automatic

Driver Inflatable Restraint Side Impact Inflator Module

Right hand front seat, on the right side of the seat back

SIR Component Views in SIR

SIR Connector End Views in SIR

Driver Inflatable Restraint Side Impact Sensing Module

Right hand of the passenger compartment, on the base of the center pillar behind the trim panel

SIR Component Views in SIR

SIR Connector End Views in SIR

Driver Seat Belt Pretensioner

Right hand front of the passenger compartment, on the front seat belt buckle

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SIR Connector End Views in SIR

Fog Lamp Switch

Right hand of the instrument panel, near the instrument panel cluster

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Forward/Back Position Sensor

Right hand front of the passenger compartment, under the right hand front seat

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Power Seat Connector End Views in Seats

Front Height Position Sensor

Right hand front of the passenger compartment, under the right hand front seat

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Power Seat Connector End Views in Seats

Hazard Switch Assembly

Center of the instrument panel, above the radio

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Dimmer Switch

Left hand side of the steering column

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Headlamp Switch

Right hand side of steering column

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Headrest Position Sensor

Right hand front of the passenger compartment, in the front seat back

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Power Seat Connector End Views in Seats

Ignition Key Cylinder lamp

Right hand of the instrument panel, right of the steering column in the instrument panel

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Ignition Switch

Right hand of the instrument panel, right of the steering column in the instrument panel

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Inflatable Restraint IP Module

Under the left hand side of the upper instrument panel pad, above the instrument panel compartment

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Steering Wheel Module Coil

Right hand of the passenger compartment, on the steering column

SIR Component Views in SIR

SIR Connector End Views in SIR

Inside Air Temp Sensor

Behind right hand front of the instrument panel, left of the steering column

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Instrument Cluster

Right hand of the instrument panel, above the steering column

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

IP Compartment Lamp

Left hand of the instrument panel, in the instrument panel compartment

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

IP Compartment Lamp Switch

Left hand of the instrument panel, in the instrument panel compartment

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

LH Driver Information Center (DIC) Switch

Right hand of the instrument panel, near the left side of the instrument panel cluster

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

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

LH Steering Wheel Controls

Right hand of the passenger compartment, on the steering wheel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Lumbar In/Out Position Sensor

Right hand front of the passenger compartment, in the right hand front seat back

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Power Seat Connector End Views in Seats

Lumbar Up/Down Position Sensor

Right hand front of the passenger compartment, in the right hand front seat back

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Power Seat Connector End Views in Seats

Memory Function Switch

Center top of the right hand front door, in the door trim panel below the inside door handle

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Memory Seat Module (MSM)

Right hand front of the passenger compartment, in the right hand front seat

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Power Seat Connector End Views in Seats

Mode Actuator

Left hand of the instrument panel, on the HVAC module

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HVAC Connector End Views in HVAC Systems with A/C Automatic

Park Brake Release Solenoid

Under the right hand of the instrument panel, on the park brake pedal

Park Brake System Component Views in Park Brake

Park Brake System Connector End Views in Park Brake

PASS-KEY. ® III Reader Exciter

Right hand of the instrument panel, right of the steering column on the ignition switch

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

PASS-KEY. ® III Theft Deterrent Module

Right hand of the instrument panel, left of the steering column

Theft Deterrent System Component Views in Theft Deterrent

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Passenger Air Mix Actuator

Left hand of the instrument panel, on the HVAC module

HVAC Component Views in HVAC Systems with A/C Automatic

HVAC Connector End Views in HVAC Systems with A/C Automatic

Passenger Inflatable Restraint Side Impact Inflator Module

Left hand front seat, on the right side of the seat back

SIR Component Views in SIR

SIR Connector End Views in SIR

Passenger Inflatable Restraint Side Impact Sensing Module

Left hand of the passenger compartment, on the base of the center pillar behind the trim panel

SIR Component Views in SIR

SIR Connector End Views in SIR

Passenger Seat Belt Pretensioner

Left hand front of the passenger compartment, on the front seat belt buckle

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SIR Connector End Views in SIR

Power Brake Booster Pump Assembly

Left hand of the engine compartment, near the strut tower

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Power Brake Booster Pump Relay

Left hand of the engine compartment, near the strut tower

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Rear Height Position Sensor

Right hand front of the passenger compartment, under the right hand front seat

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Recline Position Sensor

Right hand front of the passenger compartment, under the right hand front seat

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Power Seat Connector End Views in Seats

Release Switch Assembly

Right hand of the instrument panel, near the knee bolster

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

RH Driver Information Center (DIC) Switch

Right hand of the instrument panel, near the right side of the instrument panel cluster

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

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

RH Steering Wheel Controls

Right hand of the passenger compartment, on the steering wheel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Steering Column Tilt / Telescoping Module

Right hand of the instrument panel, left of the steering column

Tilt Wheel/Column Component Views in Steering Wheel and Column -Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Steering Wheel Position Sensor (SWPS)

Right hand of the instrument panel, on the base of the steering column

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Stoplamp/BTSI Switch

Under the right hand of the instrument panel, near the top of the brake pedal

Tilt Wheel/Column Component Views in Steering Wheel and Column -Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Telescope Motor

Right hand front of the passenger compartment, in the steering column

Tilt Wheel/Column Component Views in Steering Wheel and Column -Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Tilt Motor

Right hand front of the passenger compartment, in the steering column

Tilt Wheel/Column Component Views in Steering Wheel and Column -Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Telescope Position Sensor

Right hand front of the passenger compartment, in the steering column

Tilt Wheel/Column Component Views in Steering Wheel and Column -Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Tilt Position Sensor

Right hand front of the passenger compartment, in the steering column

Tilt Wheel/Column Component Views in Steering Wheel and Column -Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Tilt/Telescope Switch

Right hand front of the passenger compartment, on the right side of the steering column

Tilt Wheel/Column Component Views in Steering Wheel and Column -Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Turn Signal Switch

Right hand front of the passenger compartment, in the top of the steering column

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Valet Switch

Left hand of the instrument panel, in the instrument panel compartment

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Body Rear End Connector End Views in Body Rear End

Variable Steering Actuator

Right hand rear of the engine compartment, on the right hand side of the power steering rack

Steering Assist Component Views in Variable Effort Steering

Steering Assist Connector End Views in Variable Effort Steering

Windshield Wiper Motor

Left hand rear of the engine compartment, near the strut tower

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Windshield Wiper/Washer Switch

Front of the passenger compartment, on the left hand side of the steering column

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Wiper/Washer Connector End Views in Washer/Wiper Systems

C100 (20 cavities)

Transaxle harness to engine harness, left hand of the engine compartment near the thermostat housing

Harness Routing Views

Inline Harness Connector End Views

C106 (4 cavities)

Body harness to body harness, right hand rear corner of the engine compartment below the master cylinder

Harness Routing Views

Inline Harness Connector End Views

C200 (30 cavities)

Instrument panel harness to body harness, under left hand of the instrument panel near the rear of the instrument panel compartment

Harness Routing Views

Inline Harness Connector End Views

C201 (30 cavities)

Instrument panel harness to body harness, under right hand of the instrument panel near the accelerator pedal

Harness Routing Views

Inline Harness Connector End Views

C202 (40 cavities)

Instrument panel harness to steering column harness, under right hand of the instrument panel near the base of the steering column

Harness Routing Views

Inline Harness Connector End Views

C203 (18 cavities)

Instrument panel harness to HVAC harness, under left hand of the instrument panel near the blower motor

Harness Routing Views

Inline Harness Connector End Views

C204 (6 cavities)

Instrument panel harness to instrument panel pad harness, under the left hand of the upper instrument panel pad near the back of the inflatable restraint IP module

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Inline Harness Connector End Views

C316 (10 cavities)

Console harness to body harness, left hand front of the center console near the rear blower motor

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Inline Harness Connector End Views

C322 (4 cavities)

Front center of the rear compartment, near the rear compartment lamp

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Inline Harness Connector End Views

C420 (7 cavities)

Fuel tank harness to body harness, under right rear of the vehicle near the wheelhouse

Harness Routing Views

Inline Harness Connector End Views

S114

Forward lamp harness, approximately 10 cm (3.9 in) from the horn harness breakout

Harness Routing Views

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S200

Body harness, right hand of the instrument panel approximately 52.5 cm (20.7 in) from P100

Harness Routing Views

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S201

Body harness, left hand of the instrument panel approximately 16 cm (6.3 in) from P101 pass through

Harness Routing Views

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S202

Body harness, left hand of the instrument panel approximately 30 cm (11.8 in) from P101 pass through

Harness Routing Views

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S203

Instrument panel harness, right hand of the instrument panel approximately 45.5 cm (17.9 in) from C201 connector

Harness Routing Views

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S214

Steering pad jumper harness, approximately 10 cm (3.9 in) from the left hand steering wheel controls

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S215

Steering pad jumper harness, approximately 16.5 cm (6.5 in) from the left hand steering wheel controls

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S216

Steering pad jumper harness, approximately 10 cm (3.9 in) from the right hand steering wheel controls

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S220

Instrument panel harness, right hand of the instrument panel approximately 38.5 cm (15.2 in) from C201 connector

Harness Routing Views

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S221

Instrument panel harness, right hand of the instrument panel approximately 51 cm (20.1 in) from C201 connector

Harness Routing Views

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S222

Instrument panel harness, right hand of the instrument panel approximately 53.5 cm (21.1 in) from C201 connector

Harness Routing Views

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S223

Instrument panel harness, right hand of the instrument panel approximately 55.5 cm (21.9 in) from C201 connector

Harness Routing Views

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S224

Instrument panel harness, right hand of the instrument panel approximately 58 cm (22.8 in) from C201 connector

Harness Routing Views

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S225

Instrument panel harness, center of the instrument panel approximately 65 cm (25.6 in) from the radio

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S274

HVAC harness, left hand of the instrument panel approximately 28.5 cm (11.2 in) from the driver air mix actuator

Harness Routing Views

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S275

HVAC harness, left hand of the instrument panel approximately 41 cm (16.1 in) from the driver air mix actuator

Harness Routing Views

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S278

HVAC harness, left hand of the instrument panel approximately 6 cm (2.4 in) from the driver air mix actuator

Harness Routing Views

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S300

Body harness, left hand of the passenger compartment approximately 12 cm (4.7 in) from the left hand rear door harness breakout

Harness Routing Views

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S301

Body harness, left hand of the passenger compartment approximately 10 cm (3.9 in) from the left hand rear door harness breakout

Harness Routing Views

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S302

Body harness, right hand of the passenger compartment approximately 22 cm (8.7 in) from the C307 connector harness breakout

Harness Routing Views

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S303

Body harness, left hand of the passenger compartment approximately 20 cm (7.9 in) from the C300 connector harness breakout

Harness Routing Views

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S304

Body harness, approximately 14 cm (5.5 in) from the accessory wiring junction block

Harness Routing Views

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S306

Body harness, under right hand front seat approximately 10 cm (3.9 in) from the C307 connector harness breakout

Harness Routing Views

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S307

Body harness, under right hand of the rear seat cushion approximately 17 cm (6.7 in) from the cross car breakout

Harness Routing Views

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S314

Right hand seat harness, under the right hand front seat approximately 34 cm (13.4 in) from the right hand front seat adjuster

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S315 (With A45)

Right hand seat harness, under the right hand front seat approximately 55.5 cm (21.9 in) from the C307 connector

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S315 (Without A45)

Right hand seat harness, under the right hand front seat approximately 41 cm (16.1 in) from the power seat adjuster

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S316

Console harness, center console approximately 20 cm (7.9 in) from the compact disc (CD) changer

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S318

Console harness, center console approximately 50 cm (19.7 in) from the compact disc (CD) changer

Harness Routing Views

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S319

Console harness, center console approximately 39.5 cm (15.6 in) from the compact disc (CD) changer

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S320

Console trim harness, center console approximately 23 cm 9.1 in) from the heated seat switch connector

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S321

Console trim harness, center console approximately 21 cm (8 in) from the left hand heated seat switch connector

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S322

Rear blower harness, center console approximately 22.5 cm (9 in) from the rear blower motor connector

Harness Routing Views

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S327

Right hand seat harness, under the right hand front seat approximately 16.5 cm (6 in) from the forward/back position sensor connector

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S421

Body harness, approximately 28.5 cm (11  in) from the keyless entry module

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