GM Service Manual Online
For 1990-2009 cars only

Component

Location

Locator View

Connector End View

Ambient Light Sensor

On the top of the dash trim pad

Lighting Systems Component Views

Lighting Systems Connector End Views

Ashtray Lamp

On the top right side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Automatic Lamp Control (ALC) Relay

In the underhood junction block

Power and Grounding Component Views in Wiring Systems

--

Brake Switch

Below the left side of the IP, near the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamps (DRL) Relay

In the underhood junction block

Power and Grounding Component Views in Wiring Systems

--

Dome Lamp

In the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

DRL Resistor

On the rear of the front impact bar

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp Switch

On the left side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamps Relay

In the right IP junction block

Power and Grounding Component Views in Wiring Systems

--

Glove Box Lamp/Switch

On the top right side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Hazard Switch

In the center of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

High Mounted Stop Lamp Assembly

On the rear package shelf

Lighting Systems Component Views

Lighting Systems Connector End Views

Lamp Dimmer Module

On the left side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Courtesy Lamp

On the left side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Fog Lamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left High Beam Headlamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Low Beam Headlamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Rear Lamp Assembly

On the rear impact bar

Lighting Systems Component Views

Lighting Systems Connector End Views

Left-Front Park/Turn Lamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left-Front Side Marker Lamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Panel Dimmer Switch

On the left side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Park Lamp Relay

In the underhood junction block

Power and Grounding Component Views in Wiring Systems

--

Rear Compartment Courtesy Lamp

In the right side of the rear compartment, near the rear package shelf

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear License Lamp

On the rear impact bar

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear View Mirror Reading Lamps

On the bottom side of the rear view mirror

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Courtesy Lamp

Below the right side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Fog Lamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Right High Beam Headlamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Low Beam Headlamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Rear Lamp Assembly

On the rear impact bar

Lighting Systems Component Views

Lighting Systems Connector End Views i

Right Vanity Mirror Lamp

In the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Right-Front Park/Turn Lamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views i

Right-Front Side Marker Lamp

On the left front of the fascia (right front similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Transaxle Shift Indicator Lamp

Under the center console

Lighting Systems Component Views

Lighting Systems Connector End Views

Turn/Headlamp Switch Assembly

On the left side of the IP, near the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

C101 (10 cavities)

On the left side of the engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C301 (3 cavities)

In the headliner

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C400 (8 cavities)

In the LR corner of the passenger compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C501 (18 cavities)

In the LF corner of the passenger compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C600 (18 cavities)

In the RF corner of the passenger compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G101

On the left side of the engine compartment

Harness Routing Views in Wiring Systems

--

G201

On the left side of the IP

Harness Routing Views in Wiring Systems

--

G202

On the left side of the IP

Harness Routing Views in Wiring Systems

--

G203

On the right side of the IP

Harness Routing Views in Wiring Systems

--

G204

On the right side of the IP

Harness Routing Views in Wiring Systems

--

G301

On the LH side of the passenger compartment

Harness Routing Views in Wiring Systems

--

G302

On the RH side of the passenger compartment

Harness Routing Views in Wiring Systems

--

G401

On the LH side of the passenger compartment rear package shelf

Harness Routing Views in Wiring Systems

--

P200

In the rear of the engine compartment

Harness Routing Views in Wiring Systems

--

P500

In the LF door

Harness Routing Views in Wiring Systems

--

P600

In the RF door

Harness Routing Views in Wiring Systems

--