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

Heater and A/C Control

Center of the instrument panel, below the radio

HVAC Component Views in HVAC System - Manual

HVAC Connector End Views in HVAC Systems - Manual

Instrument Cluster (IPC)

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 Module (IPM)

Rear side of the instrument panel dash, left of the steering column

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Lateral Accelerometer Sensor

Left 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, near the brake rotor

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 side of the engine compartment, inside the air cleaner box

Engine Controls Component Views in Engine Controls - 3.8L

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

Rear Fuse Block

Under the left side of the rear passenger compartment 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 of the instrument panel, on the base of the steering column

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Stoplamp/Auto Trans Shift Lock Control Switch

Left lower front corner of the passenger compartment, on the bracket above the brake pedal

Shift Lock Control Component Views in Automatic Transaxle - 4T65-E

Shift Lock Control Connector End Views in Automatic Transaxle - 4T65-E

Traction Control Switch

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

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Underhood Fuse Block

Front 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 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

Engine harness to body harness, in the engine compartment, near the left strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

Body harness to IP round wire harness, left lower front corner of the passenger compartment, on the underside of the instrument panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202

Body harness to steering column harness, left lower front corner of the passenger compartment, on the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C215

Body harness to IP flat wire harness, center front of the passenger compartment, on the center of the instrument panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C401

In the left rear wheel well on the frame rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G104

Left side of the engine, on the top of the transmission

Power and Grounding Component Views in Wiring Systems

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G200

Left front lower corner of the passenger compartment, on the left front door pillar

Power and Grounding Component Views in Wiring Systems

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P100

Left front lower corner of the passenger compartment, on the bulk head

Harness Routing Views in Wiring Systems

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P102

Right front lower corner of the passenger compartment, on the bulk head

Harness Routing Views in Wiring Systems

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P400

In the left rear wheel well

Harness Routing Views in Wiring Systems

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S101

In the engine harness, approximately 12.5 cm (4.9 in) from the right front wheel speed sensor breakout

Harness Routing Views in Wiring Systems

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S102

In the engine harness, approximately 19 cm (7.4 in) from the right front wheel speed sensor breakout

Harness Routing Views in Wiring Systems

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S103

In the engine harness, approximately 49 cm (19.3 in) from the left front wheel speed sensor breakout

Harness Routing Views in Wiring Systems

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S104

In the engine harness, approximately 42.5 cm (16.7 in) from the left front wheel speed sensor breakout

Harness Routing Views in Wiring Systems

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S211

In the body harness, left side of the vehicle approximately 17 cm (6.5 in) into the steering column harness breakout, towards C200 and C202

Harness Routing Views in Wiring Systems

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S226

In the steering column harness

Harness Routing Views in Wiring Systems

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S303

In the body harness, left side of the vehicle approximately 18 cm (7.8 in) from the G300 breakout

Harness Routing Views in Wiring Systems

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S305

In the body harness, left side of the vehicle approximately 31.5 cm (12.4 in) from the G300 breakout

Harness Routing Views in Wiring Systems

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SP301

In the body harness, left side of the vehicle approximately 8.5 cm (3.4 in) from the G300 breakout

Harness Routing Views in Wiring Systems

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