GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module

On the lower left side of the IP below the steering column

Body Control Module Components in Body Control Systems

Body Control System Connector End Views in Body Control Systems

Body Wiring Harness Junction Block

Under the left side of the instrument panel near the left kick panel

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Compressor Leveling Module

On the right side underbody frame rail in front of muffler

Suspension Controls Component Views

Suspension Controls Connector End Views

Compressor Motor Relay

On the left side of the engine compartment below the engine wiring harness junction block

Suspension Controls Component Views

Suspension Controls Connector End Views

Cruise Control Module

On the left front of the dash in the engine compartment

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Electronic Variable Orifice (EVO) Solenoid

Part of the power steering pump, mounted to the fluid fittings

Steering Assist Component Views in Variable Effort Steering

Steering Assist Connector End Views in Variable Effort Steering

Engine Wiring Harness Junction Block

At the left side of the engine compartment near the battery

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Exhaust Solenoid (Part of the compressor module)

On the right side underbody frame rail in front of muffler

Suspension Controls Component Views

Suspension Controls Connector End Views

Fuse Block

On the lower left side of the IP

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster

On the left side of the IP 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

Leveling Pressure Sensor (Part of the compressor module)

On the right side underbody frame rail in front of muffler

Suspension Controls Component Views

Suspension Controls Connector End Views

Powertrain Control Module (PCM)

Near the left front inside the engine compartment

Engine Controls Component Views in Engine Controls - 4.8L,5.3L,6.0L

Powertrain Control Module Connector End Views in Engine Controls - 4.8L,5.3L,6.0L

LF Position Sensor

Between left front control arm assembly and body

Suspension Controls Component Views

Suspension Controls Connector End Views

RF Position Sensor

Between right front control arm assembly and body

Suspension Controls Component Views

Suspension Controls Connector End Views

LR Position Sensor

Between left rear control arm assembly and body

Suspension Controls Component Views

Suspension Controls Connector End Views

RR Position Sensor

Between right rear control arm assembly and body

Suspension Controls Component Views

Suspension Controls Connector End Views

Shock Solenoid Valve, LF

Part of the left front shock

--

Suspension Controls Connector End Views

Shock Solenoid Valve, LR

Part of the left rear shock

--

Suspension Controls Connector End Views

Shock Solenoid Valve, RF

Part of the right front shock

--

Suspension Controls Connector End Views

Shock Solenoid Valve, RR

Part of the right rear shock

--

Suspension Controls Connector End Views

Steering Handwheel Speed/Position Sensor

Near the base of steering column below the mounting bracket

Steering Assist Component Views in Variable Effort Steering

--

Suspension Control Module

Inside the right rear of vehicle above the wheel well

Suspension Controls Component Views

Suspension Controls Connector End Views

C100

Under the engine wiring harness junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C197

At the right rear underbody of the vehicle near the spare tire

Suspension Controls Component Views

Suspension Controls Connector End Views

C207

On the upper right side of the IP above the compartment box

--

Suspension Controls Connector End Views

G203

On the left upper IP at the A pillar

Power and Grounding Component Views in Wiring Systems

--

G410

On the right rear inner side body panel

Harness Routing Views in Wiring Systems

--

P100

At the left rear of the engine compartment in the front of the dash

Power and Grounding Component Views in Wiring Systems

--

Splice Pack 203 (SP203)

On the top left side of the IP near the A pillar

Harness Routing Views in Wiring Systems

--

Splice Pack 205 (SP205)

On the left side of the IP behind the headlamp switch

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Splice Pack 410 (SP410)

On the right rear inner side body panel

Harness Routing Views in Wiring Systems

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S112

in the chassis harness

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