GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Clutch

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

HVAC Component Views

HVAC Connector End Views

A/C Low Side Temperature Sensor

Rear of the engine compartment, on the A/C low side line

HVAC Component Views

HVAC Connector End Views

A/C Pressure Sensor

Right lower front corner 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 Light Sensor

Center of the instrument panel, in the defogger grill

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Ambient Outside Air Temperature Sensor

Center front of the vehicle, on the hood latch support

HVAC Component Views

HVAC Connector End Views

Blower Control Module

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

HVAC Component Views

HVAC Connector End Views

Blower Motor

Under right hand 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

Driver Air Mix Actuator

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

HVAC Component Views

HVAC Connector End Views

Inside Air Temperature Sensor

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

HVAC Component Views

HVAC Connector End Views

Instrument Panel Integration Module (IPM)

Center of the instrument panel, above the radio

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

LH A/C Temperature Sensor

Under the left side of the instrument panel, in the A/C duct behind the outer vent

HVAC Component Views

HVAC Connector End Views

LH Heater Temperature Sensor

Under left side of the instrument panel, in the A/C duct

HVAC Component Views

HVAC Connector End Views

Mode Actuator

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

HVAC Component Views

HVAC Connector End Views

Passenger/Rear Air Mix Actuator

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

--

HVAC Connector End Views

Powertrain Control Module (PCM)

Front left side of the engine compartment, below the air cleaner

Engine Controls Component Views in Engine Controls - 4.6L

Powertrain Control Module Connector End Views in Engine Controls - 4.6L

Rear Blower Motor

Front of the center console, below the ashtray

HVAC Component Views

HVAC Connector End Views

Rear Blower Resistor

Front of the center console, near the rear blower motor

HVAC Component Views

HVAC Connector End Views

Rear Fuse Block

Left 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

Rear Heater and A/C Control

Center of the passenger compartment, behind the center console storage compartment

HVAC Component Views

HVAC Connector End Views

Rear Mode Actuator

Center front of the passenger compartment, under the front console near the rear blower motor

HVAC Component Views

HVAC Connector End Views

Rear Temperature Sensor

Center front of the passenger compartment, under the front console near the rear blower motor

HVAC Component Views

HVAC Connector End Views

RH A/C Temperature Sensor

Under the right side of the instrument panel, in the A/C duct, behind the outer vent

HVAC Component Views

HVAC Connector End Views

RH Heater Temperature Sensor

Under right side of the instrument panel, in the heater duct

HVAC Component Views

HVAC Connector End Views

Underhood Fuse Block

Right side of the engine compartment

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C200 (40 cavities)

Instrument panel harness to the body harness, under the left side of the instrument panel near the park brake pedal

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (40 cavities)

Instrument panel harness to the body harness, under the right side 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

C203 (18 cavities)

Instrument panel harness to the HVAC harness, under the right side of the instrument panel near the blower motor

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C204 (6 cavities)

Instrument panel harness to the instrument panel pad harness, under the right side of the upper instrument panel pad near the back of the inflatable restraint I/P module

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205 (40 cavities)

Instrument panel harness to the body harness, under the center of the instrument panel near the rear blower motor

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304 (30 cavities)

Console harness to the instrument panel harness, on the left front of the center console near the rear blower motor

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C312 (10 cavities)

Body harness to the rear HVAC harness, under the left side of the instrument panel right of the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C313 (18 cavities) (w/o UE7/UE9)

Body harness to the console harness, at the center front of the passenger compartment under the console

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C313 (30 cavities) (w/UE7/UE9)

Body harness to the console harness, at the center front of the passenger compartment under the console

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G100

Lower left front corner of the engine, below the thermostat housing

Power and Grounding Component Views in Wiring Systems

--

G200

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

Power and Grounding Component Views in Wiring Systems

--

G201

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

Power and Grounding Component Views in Wiring Systems

--

S205

In the instrument panel harness, approximately 65.5 cm (25.8 in) from the radio connector, between splice S202 and connector C201

Harness Routing Views in Wiring Systems

--

S206

In the instrument panel harness, approximately 72.1 cm (28.4 in) from the radio connector

Harness Routing Views in Wiring Systems

--

S300

In the console harness, approximately 68.5 cm (27 in) from the rear heater and A/C control module connector

Harness Routing Views in Wiring Systems

--

S301

In the console harness, approximately 50.5 cm (19.9 in) from C304

Harness Routing Views in Wiring Systems

--

S307

In the rear HVAC harness, approximately 17.5 cm (6.9 in) from the rear blower motor connector

Harness Routing Views in Wiring Systems

--