GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch

Right lower front of the engine, on the A/C compressor

HVAC Component Views

HVAC Connector End Views

A/C Compressor Diode

In the engine harness, approximately 18 cm (7 in) from the A/C compressor coil harness bracket, towards the starter solenoid

--

--

A/C Pressure Sensor

Right front of the engine, near the A/C compressor on the hose assembly

HVAC Component Views

HVAC Connector End Views

Air Inlet Actuator

Under the right side of the instrument panel, right of the blower motor

HVAC Component Views

HVAC Connector End Views

Ambient Outside Air Temperature Sensor

Center front of the vehicle, on the hood latch support

HVAC Component Views

HVAC Connector End Views

Aspirator

Center left side of the instrument panel, on the left side of the HVAC case

HVAC Component Views

--

Blower Control Module

Under the right side of the instrument panel, right of the blower motor

HVAC Component Views

HVAC Connector End Views

Blower Motor

Under the right side of the instrument panel, above the right sound insulator

HVAC Component Views

HVAC Connector End Views

Dash Integration Module (DIM)

Right side of the instrument panel, near the blower motor

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Data Link Connector (DLC)

Under the left side of the instrument panel, left of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Driver Air Mix Actuator

Center left side of the instrument panel, on the left side of the HVAC case

HVAC Component Views

HVAC Connector End Views

Heater and A/C Control

Center of the instrument panel, below the radio

HVAC Component Views

HVAC Connector End Views

Inside Air Temperature Sensor

Under the left side of the instrument panel, near the left hand center instrument panel vent

HVAC Component Views

HVAC Connector End Views

Instrument Panel Module (IPM)

Under the left side of the instrument panel, above the gas pedal

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

LH Heater Temperature Sensor

Under the left side of the instrument panel, in the sound insulator

HVAC Component Views

HVAC Connector End Views

LH Panel Temperature Sensor

In the left instrument panel duct, behind the outer vent

HVAC Component Views

HVAC Connector End Views

Mode Actuator

Under the left side of the instrument panel, on the left side of HVAC case

HVAC Component Views

HVAC Connector End Views

Passenger Air Mix Actuator

Under the right side of the instrument panel, on the right side of the HVAC module

HVAC Component Views

HVAC Connector End Views

Powertrain Control Module (PCM)

Front left side of the engine compartment under the air cleaner box

--

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

Rear Fuse Block

Under the left side of the rear seat

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

RH Heater Temperature Sensor

Under the right side of the instrument panel, in the sound insulator

HVAC Component Views

HVAC Connector End Views

RH Panel Temperature Sensor

In the right instrument panel duct, behind the outer vent

HVAC Component Views

HVAC Connector End Views

Sunload and Ambient Light Sensor

Center top of the instrument panel, in the defroster grille

HVAC Component Views

HVAC Connector End Views

Underhood Fuse Block

Right front side of the engine compartment

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C102

In the right front corner of the engine compartment (body harness inline to forward lamp harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

Left lower front corner of the passenger compartment on the steering column (body harness to the steering column harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201

Right upper front corner of the passenger compartment on the underside of the instrument panel (body harness to instrument panel round harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C204

Under the right side of the instrument panel near the HVAC blower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C215

Center front of the passenger compartment on the center of the instrument panel (body harness to IP flex harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C216

Left upper front corner of the passenger compartment on the left side of the instrument panel (body harness to IP flex harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G100

Left side of the engine on top of the transmission

Power and Grounding Component Views in Wiring Systems

--

G200

Left front corner of the passenger compartment on left door pillar

Power and Grounding Component Views in Wiring Systems

--

G201

Lower right corner of the passenger compartment on the right front door pillar

Power and Grounding Component Views in Wiring Systems

--

S105

In the engine harness, 9.5 cm (3.7 in) from the PCM C1 connector

Harness Routing Views in Wiring Systems

--

S106

In the engine harness, 6.5 cm (2.5 in) from the idle air control (IAC) valve connector breakout

Harness Routing Views in Wiring Systems

--

S107

In the engine harness, 23 cm (9 in) from the A/C clutch connector breakout

Harness Routing Views in Wiring Systems

--

S108

In the engine harness, 18 cm (7 in) from the A/C clutch connector breakout

Harness Routing Views in Wiring Systems

--

S200

In the instrument panel harness, 15 cm (6 in) from the data link connector

Harness Routing Views in Wiring Systems

--

S204

In the instrument panel harness, 6.5 cm (2.5 in) from the C216 breakout

Harness Routing Views in Wiring Systems

--

S220

In the HVAC harness, 36.5 cm (14.4 in) from the C204 breakout

Harness Routing Views in Wiring Systems

--

S221

In the HVAC harness, 30 cm (11.8 in) from the C204 breakout

Harness Routing Views in Wiring Systems

--

S222

In the HVAC harness, 23.5 cm (9.3 in) from the C204 breakout

Harness Routing Views in Wiring Systems

--

S304

In the body harness on the left side of the vehicle, 11.5 cm (4.5 in) from the G300 breakout

Harness Routing Views in Wiring Systems

--

S307

In the body harness on the left side of the vehicle, 1.5 cm (0.6 in) from the rear fuse block breakout

Harness Routing Views in Wiring Systems

--