GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Clutch

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

HVAC Component Views

HVAC Connector End Views

A/C Clutch Diode

Right hand front of engine, near the A/C compressor in the harness

HVAC Component Views

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A/C Pressure Sensor

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

HVAC Component Views

HVAC Connector End Views

Air Inlet Actuator

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

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

HVAC Component Views

HVAC Connector End Views

Blower Motor

Under the right hand of the instrument panel

 

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Data Link Connector

Under the left hand 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 right hand of the instrument panel, on the right of the HVAC module

HVAC Component Views

HVAC Connector End Views

HVAC Control Assembly

Center of the instrument panel, below the radio

HVAC Component Views

HVAC Connector End Views

HVAC Programmer (HCM)

Under the instrument panel, behind the instrument panel compartment

HVAC Component Views

HVAC Connector End Views

Inside Air Temperature Sensor

Under the left hand of the instrument panel, near the left hand center A/C vent

HVAC Component Views

HVAC Connector End Views

Instrument Panel Junction Block

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

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Power and Grounding Connector End Views in Wiring Systems

LH A/C Temperature Sensor

Under the left hand of the instrument panel, near the left A/C vent

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HVAC Connector End Views

LH Heater Temperature Sensor

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

HVAC Component Views

HVAC Connector End Views

LH Sun Load Sensor

Left hand top of the instrument panel, in the defroster grille

HVAC Component Views

HVAC Connector End Views

Mode Actuator

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

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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

Passenger Temperature Control Assembly

On the HVAC control assembly

HVAC Component Views

HVAC Connector End Views

RH Heater Temperature Sensor

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

HVAC Component Views

HVAC Connector End Views

RH A/C Temperature Sensor

Under the right side of the instrument panel, near the right side center A/C vent

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HVAC Connector End Views

RH Sunload Sensor

Right side top of the instrument panel, in the defroster grille

HVAC Component Views

HVAC Connector End Views

Underhood Junction Block

Right side front of the engine compartment

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C200

Body harness to the instrument panel harness under the left side of the instrument panel left of the steering column

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C203

Body harness to the instrument panel harness under the left side of the instrument panel left of the steering column

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C204

Instrument panel harness to the knee bolster harness, under the right side of the instrument panel

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C205

Instrument panel harness to the HVAC harness, behind right side of the instrument panel on the HVAC module

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C207

Instrument panel harness to the defroster grille harness, left side top of the instrument panel under the defroster grille

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

G102

Center right side front of engine, near the starter motor

Power and Grounding Component Views in Wiring Systems

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G201

Right side front of the passenger compartment, under the right kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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G202

Left side front of the passenger compartment, under the left kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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S106

In the engine harness, approximately 18 cm (7.1 in) from the A/C compressor clutch

Harness Routing Views in Wiring Systems

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S107

In the engine harness, approximately 23 cm (9.1 in) from the A/C compressor clutch

Harness Routing Views in Wiring Systems

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S203

In the body harness, approximately 6 cm (2.4 in) from the P500 pass through break out

Harness Routing Views in Wiring Systems

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S208

In the body harness, approximately 35 cm (13.8 in) from G201 ground

Harness Routing Views in Wiring Systems

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S213

In the instrument panel harness, approximately 44 cm (17.3 in) from the HVAC control assembly

Harness Routing Views in Wiring Systems

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S274

In the HVAC harness, approximately 35.5 cm (14 in) from the mode actuator

HVAC Component Views

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S275

In the HVAC harness, approximately 50.5 cm (19.9 in) from the mode actuator

HVAC Component Views

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S278

In the HVAC harness, approximately 29 cm (11.4 in) from the mode actuator

HVAC Component Views

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