GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Brake Pressure Modulator Valve (BPMV)

Front left lower corner of the engine compartment, under the air cleaner housing

Antilock Brake System Component Views

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Electronic Brake Control Module (EBCM)

Front left lower corner of the engine compartment, under the air cleaner housing

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Suspension Control Module

Right hand rear of the passenger compartment, behind the rear seat back

Suspension Controls Component Views in Road Sensing Suspension - RSS

Suspension Controls Connector End Views in Road Sensing Suspension - RSS

Instrument Cluster

Left hand or the instrument panel, above the steering column

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

Instrument Panel Integration Module (IPM)

Center of the instrument panel, above the radio

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Lateral Accelerometer Sensor

Left hand rear of the passenger compartment, under the rear seat near the rear fuse block

Antilock Brake System Component Views

Antilock Brake System Connector End Views

LH Front Wheel Speed Sensor

Behind the left front wheel, on the back of the front hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

LH Rear Wheel Speed Sensor

On the center of the left rear wheel backing plate

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Powertrain Control Module (PCM)

Front left hand side of the engine compartment, inside the air cleaner

Engine Controls Component Views in Engine Controls - 4.6L

Powertrain Control Module Connector End Views in Engine Controls - 4.6L

Rear Fuse Block

Left hand rear of the passenger compartment, under the rear seat

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

RH Front Wheel Speed Sensor

Behind the right front wheel, near the brake rotor

Antilock Brake System Component Views

Antilock Brake System Connector End Views

RH Rear Wheel Speed Sensor

On the center of the right rear wheel backing plate

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Steering Wheel Position Sensor (SWPS)

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

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Stoplamp/Automatic Transmission Shift Interlock Control Switch

Under the left 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

Traction Control Switch (DeVille/DHS)

Left side of the instrument panel, on the end of the gear selector

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Traction Control Switch (DTS)

Center of the passenger compartment, on the console near the gear shifter

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Underhood Fuse Block

Right side of the engine compartment

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Variable Effort Steering Actuator

Left rear of the engine compartment, on the left side of the power steering gear

Steering Assist Component Views in Variable Effort Steering

Steering Assist Connector End Views in Variable Effort Steering

Yaw Rate Sensor

Left hand corner of the rear compartment, under the rear shelf behind the lid hinge

Antilock Brake System Component Views

Antilock Brake System Connector End Views

C101 (40 cavities)

Engine harness to body harness, left hand rear of the engine compartment near the master cylinder

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (40 cavities)

Instrument panel harness to body harness, under left side of the instrument panel near the park brake pedal

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (40 cavities)

Instrument panel harness to body harness, under right side of the instrument panel near the rear of the instrument panel compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202 (40 cavities)

Body harness to steering column harness, under the left side of the instrument panel near the base of the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304 (30 cavities)

Console harness to instrument panel harness, left front of the center console near the rear blower motor

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C421 (2 cavities) (w/B9Q or V4U)

Left rear wheel speed sensor jumper to the body harness, beneath the left rear of the vehicle, near the left rear wheel

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Inline Harness Connector End Views in Wiring Systems

C422 (2 cavities) (w/B9Q or V4U)

Right rear wheel speed sensor jumper to the body harness, beneath the right rear of the vehicle, near the right rear wheel

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Inline Harness Connector End Views in Wiring Systems

G110

Left front of the engine compartment, on the left side of the radiator support

Power and Grounding Component Views in Wiring Systems

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G201

Right front corner of the passenger compartment, under the front of the sill trim plate

Power and Grounding Component Views in Wiring Systems

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P101

Left lower corner of the engine compartment compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

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P400

Left side of the rear compartment, near the wheelhouse

Harness Routing Views in Wiring Systems

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P401

Right side of the rear compartment, near the wheelhouse

Harness Routing Views in Wiring Systems

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S101

In the engine harness, approximately 25.9 cm (10.2 in) from the left headlamp connector C1

Harness Routing Views in Wiring Systems

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S102

In the engine harness, approximately 25.9 cm (10.2 in) from the camshaft position sensor connector

Harness Routing Views in Wiring Systems

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S103

In the engine harness, approximately 54.1 cm (21.3 in) from C101

Harness Routing Views in Wiring Systems

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S104

In the engine harness, next to S103, approximately 54.1 cm (21.3 in) from C101

Harness Routing Views in Wiring Systems

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S206

In the instrument panel harness, approximately 72.1 cm (28.4 in) from the radio connector

Harness Routing Views in Wiring Systems

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S211

In the body harness, approximately 16.0 cm (6.3 in) from P101

Harness Routing Views in Wiring Systems

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S212

In the body harness, approximately 66.5 cm (26.2 in) from C200

Harness Routing Views in Wiring Systems

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S221

In the steering column

Harness Routing Views in Wiring Systems

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S300

In the console harness, approximately 68.5 cm (27 in) from the rear heater and A/C control module connector

Harness Routing Views in Wiring Systems

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SP308

Left rear of the passenger compartment, taped to the body harness approximately 24 cm (9.5 in) from the cross car channel

Harness Routing Views in Wiring Systems

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