GM Service Manual Online
For 1990-2009 cars only

Component

Location

Locator View

Connector End View

Brake Fluid Level Switch

Left side of the engine compartment ,on the brake fluid resevoir

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Body Control Module (BCM)

Behind the left side of the instrument panel

Body Control System Component Views

Body Control System Connector End Views

Data Link Connector (DLC)

On the left lower side of the instrument panel, near the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Door Jamb Switch, LF

In the left front door jamb

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Jamb Switch, LR

In the left rear door jamb

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Jamb Switch, RF

In the right front door jamb

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Jamb Switch, RR

In the right rear door jamb

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock/Unlock Relay

Behind the right side of the instrument panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

ETS Off Switch

On the left side of the instrument panel

Body Control System Component Views

Body Control System Connector End Views

Fog Lamp Switch

On the left side of the instrument panel

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Heater A/C Control Assembly

In the center of the instrument panel

HVAC Component Views in HVAC Systems-Manual

HVAC Connector End Views in HVAC Systems-Manual

Ignition Switch

On the right side of the steering column

Power and Grounding Components in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Panel Cluster (IPC)

On the left side of the instrument panel

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

IP Fuse Block

On the left side of the instrument panel

Electrical Center Identification Views in Wiring Systems

--

Low Coolant Switch

Right side of the engine compartment, in the surge tank

Engine Controls Component Views in Engine Controls

Cooling System Connector End Views in Engine Cooling

Instrument Panel Dimmer Switch

On the left side of the instrument panel

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Park Brake Switch

Under the center console

--

Hydraulic Brake Connector End Views in Hydraulic Brakes

Passlock Sensor

In the right side of the steering column

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

Powertrain Control Module (PCM)

In the right front of the engine compartment, behind the fascia

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views -2.2L or Powertrain Control Module Connector End Views -2.4L in Engine Controls

Radio

In the center of the instrument panel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

C100

Left rear of engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101

Left front of engine compartment, under the battery tray

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

Left front of passenger compartment, near the BCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202

In the headliner

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C204

Behind the right side of the instrument panel, on the HVAC assembly

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103

Left front of engine compartment, under the battery tray

Power and Grounding Components in Wiring Systems

--

G110

Front side of the engine, near the starter

Power and Grounding Components in Wiring Systems

--

G204

On the steering column, under the support

Power and Grounding Components in Wiring Systems

--

G302

Right front of passenger compartment

Power and Grounding Components in Wiring Systems

--

G304

Left front of passenger compartment

Power and Grounding Components in Wiring Systems

--