GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Battery

Right hand rear corner of the passenger compartment, under the rear seat

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Cruise Control Module

Center rear of the engine compartment, near the power brake booster

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Dash Integration Module (DIM)

Left hand of the instrument panel near the blower motor

Body Control System Component Views

Body Control System Connector End Views

Fuel Tank Unit

Under the center rear of the vehicle, in the fuel tank

Engine Controls Component Views in Engine Controls 4.6L

Engine Controls Connector End Views in Engine Controls 4.6L

Hood Ajar Switch

Right hand front corner of the engine compartment, on the upper radiator support

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

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

Instrument Panel Integration Module (IPM)

Center of the instrument panel, near the radio (part of the climate control panel)

Body Control System Component Views

Body Control System Connector End Views

Rear Integration Module (RIM)

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

Body Control System Component Views

Body Control System Connector End Views

Rear Junction 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

Underhood Junction Block

Right hand of the engine compartment, near the power steering pump

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C103

Forward lamp harness to body harness, right hand front corner of the engine compartment near the underhood junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

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 in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (30 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C315

Negative battery harness to body harness, right hand rear of the passenger compartment under the rear seat near the battery

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C420 (7 cavities)

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

--

Inline Harness Connector End Views in Wiring Systems

G200

Left hand front corner of the passenger compartment, under the front of the sill trim plate

Power and Grounding Component Views in Wiring Systems

--

G201

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

Power and Grounding Component Views in Wiring Systems

--

G307

Under right hand of the rear seat, near the battery

Power and Grounding Component Views in Wiring Systems

--

G401

Right hand rear corner of the rear compartment, near the C403 connector

Power and Grounding Component Views in Wiring Systems

--

P100

Right hand lower corner of the engine compartment block head, near the base of the strut tower

Harness Routing Views in Wiring Systems

--

P401

Left hand side of the rear compartment, near the wheelhouse

Harness Routing Views in Wiring Systems

--

S203

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

Harness Routing Views in Wiring Systems

--

S204

Instrument panel harness, center of the instrument panel approximately 64.5 cm (25.8 in) from the radio connector

Harness Routing Views in Wiring Systems

--