GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch

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

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

A/C Low Side Temperature Sensor

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

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Air Inlet Actuator

Left hand of the instrument panel, on the HVAC module

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Ambient Air Temperature Sensor

Center front of the vehicle, near the hood latch

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Blower Control Module

Under left hand of the instrument panel, near the center heater outlets

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Blower Motor

Under left hand of the instrument panel, near the center heater outlets

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Dash Integration Module (DIM)

Left hand of the instrument panel, near the blower motor

8-Body Control System

8-Body Control System

Driver Air Mix Actuator

Right hand of the instrument panel, on the HVAC module

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Inside Air Temperature Sensor

Behind right hand of the instrument panel, left of the steering column

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Instrument Panel Integration Module (IPM)

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

8-Body Control System

8-Body Control System

LH A/C Temperature Sensor

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

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

LH Heater Temperature Sensor

Under left hand of the instrument panel, in the heater duct

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

LH Sun Load Sensor

Left hand of the instrument panel, in the defroster grille

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Mode Actuator

Left hand of the instrument panel, on the HVAC module

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Passenger Air Mix Actuator

Left hand of the instrument panel, on the HVAC module

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Powertrain Control Module (PCM)

Left hand front corner of the engine compartment, below the air cleaner

6-Engine Controls

6-Engine Controls

Rear Blower Motor

Front of the center console, below the ashtray

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Rear Blower Resistor Module

Front of the center console, near the rear blower motor

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Rear Blower Switch

Rear of the center console, above the rear ashtray

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Rear Junction Block

Left hand rear of the passenger compartment, under the rear seat

8-Wiring Systems

8-Wiring Systems

Rear Integration Module (RIM)

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

8-Body Control System

8-Body Control System

Rear Mode Actuator

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

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

RH A/C Temperature Sensor

Under right hand of the instrument panel, in the A/C duct

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

RH Heater Temperature Sensor

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

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

RH Sun Load Sensor

Right hand of the instrument panel, in the defroster grille

1-HVAC Systems With A/C-Automatic

1-HVAC Systems With A/C-Automatic

Underhood Junction Block

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

8-Wiring Systems

8-Wiring Systems

C103

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

8-Wiring Systems

8-Wiring Systems

C200

Instrument panel harness to body harness, under left hand of the instrument panel near the rear of the instrument panel compartment

8-Wiring Systems

8-Wiring Systems

C203

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

8-Wiring Systems

8-Wiring Systems

C304

Console harness to body harness, left hand front of the center console near the rear blower motor

8-Wiring Systems

8-Wiring Systems

C312

Auxiliary heater harness to console harness, in the front of the center console near the rear blower motor

8-Wiring Systems

8-Wiring Systems

G100

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

8-Wiring Systems

--

G200

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

8-Wiring Systems

--

G201

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

8-Wiring Systems

--

S221

Instrument panel harness, right hand of the instrument panel approximately 51 cm (20 in) from the C201 connector

--

--

S223

Instrument panel harness, right hand of the instrument panel approximately 55.5 cm (22 in) from the C201 connector

--

--

S274

HVAC harness, right hand of the instrument panel approximately 38.5 cm (15.1 in) from the mode actuator connector

--

--

S275

HVAC harness, right hand of the instrument panel approximately 45 cm (18 in) from the mode actuator connector

--

--

S278

HVAC harness, right hand of the instrument panel approximately 28.5 cm (11.2 in) from the mode actuator connector

--

--

S317

Console harness, center console approximately 33 cm (13 in) from the rear blower switch connector

--

--

S318

Console harness, center console approximately 4 cm (1.5 in) from the compact disk (CD) changer harness breakout

--

--

S322

Rear blower harness, center console approximately 12.5 cm (5 in) from the rear blower motor connector

--

--