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

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

Air Inlet Actuator

Right hand of the instrument panel, on the HVAC module

HVAC Component Views

HVAC Connector End Views

Ambient

Air Temperature Sensor

Center front of the vehicle, near the hood latch

HVAC Component Views

HVAC Connector End Views

Blower Control Module

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

HVAC Component Views

HVAC Connector End Views

Blower Motor

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

HVAC Component Views

HVAC Connector End Views

Dash Integration Module (DIM)

Right hand 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

Left hand of the instrument panel, on the HVAC module

HVAC Component Views

HVAC Connector End Views

Inside Air Temperature Sensor

Behind left hand 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, below the radio (part of the climate control panel)

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

HVAC Component Views

HVAC Connector End Views

LH Heater Temperature Sensor

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

HVAC Component Views

HVAC Connector End Views

LH Sun Load Sensor

Left hand of the instrument panel, in the defroster grille

HVAC Component Views

HVAC Connector End Views

Mode Actuator

Left hand of the instrument panel, on the HVAC module

HVAC Component Views

HVAC Connector End Views

Passenger Air Mix Actuator

Right hand of the instrument panel, on the HVAC module

HVAC Component Views

HVAC Connector End Views

Powertrain Control Module (PCM)

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

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

Rear Blower Motor

Front of the center console, below the ashtray

HVAC Component Views

HVAC Connector End Views

Rear Blower Resistor Module

Front of the center console, near the rear blower motor

HVAC Component Views

HVAC Connector End Views

Rear Blower Switch

Rear of the center console, above the rear ashtray

HVAC Component Views

HVAC Connector End Views

Rear Bussed Electrical Center (BEC)

Left hand 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 Integration Module (RIM)

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

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

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

RH A/C Temperature Sensor

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

HVAC Component Views

HVAC Connector End Views

RH Heater Temperature Sensor

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

HVAC Component Views

HVAC Connector End Views

RH Sun Load Sensor

Right hand of the instrument panel, in the defroster grille

HVAC Component Views

HVAC Connector End Views

Underhood Juntion Block

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

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C102

Forward lamp harness to body harness, right hand front corner of the engine compartment near the underhood bussed electrical center

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C201

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

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C203

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

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C304

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

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C312

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

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

G100

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

Power and Grounding Component Views in Wiring Systems

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G200

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

Power and Grounding Component Views in Wiring Systems

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G201

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

Power and Grounding Component Views in Wiring Systems

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S206

Instrument panel harness, left hand of the instrument panel approximately 8 cm (3.2 in) from the instrument panel cluster harness breakout

Power and Grounding Component Views in Wiring Systems

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S209

Instrument panel harness, left hand of the instrument panel approximately 4 cm (1.6 in) from the LH sun load sensor harness breakout

Power and Grounding Component Views in Wiring Systems

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S210

Instrument panel harness, left hand of the instrument panel approximately 22 cm (8.7 in) from the left hand solar sensor harness breakout

Power and Grounding Component Views in Wiring Systems

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S274

HVAC harness, right hand of the instrument panel approximately 79.5 cm (31.1 in) from the mode actuator connector

Power and Grounding Component Views in Wiring Systems

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S275

HVAC harness, right hand of the instrument panel approximately 73 cm (28.7 in) from the mode actuator connector

Power and Grounding Component Views in Wiring Systems

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S278

HVAC harness, right hand of the instrument panel approximately 89.5 cm (35.2 in) from the mode actuator connector

Power and Grounding Component Views in Wiring Systems

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S317

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

Power and Grounding Component Views in Wiring Systems

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S318

Console harness, center console approximately 4 cm (1.6 in) from the compact disk (CD) changer harness breakout

Power and Grounding Component Views in Wiring Systems

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S322

Rear blower harness, center console approximately 12.5 cm (4.9 in) from the rear blower motor connector

Power and Grounding Component Views in Wiring Systems

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