GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch

On the right lower front of the engine, on the A/C compressor

HVAC Component Views

HVAC Connector End Views

A/C Compressor Diode

On the right front of the engine, near the A/C compressor, in the harness

HVAC Component Views

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A/C Compressor Relay

In the center rear of the engine compartment, below the right side MaxiFuse® block

HVAC Component Views

HVAC Connector End Views

A/C Refrigerant Pressure Sensor

Right hand lower front corner of engine, in compressor hose

HVAC Component Views

HVAC Connector End Views

Ambient Temperature Sensor

Center front of vehicle on lower radiator rail

HVAC Component Views

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Blower Control Module

In the center rear of the engine compartment, below the right side MaxiFuse® block

HVAC Component Views

HVAC Connector End Views

Blower Motor

In the center rear of the engine compartment, below the left side MaxiFuse® block

HVAC Component Views

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Blower Relay

In the center rear of the engine compartment, below the right side MaxiFuse® block

HVAC Component Views

Engine Controls Connector End Views in Engine Controls

Data Link Connector (DLC)

Under the left side of the IP, on the IP sound insulator

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Heater and A/C Control Assembly (Buick/Oldsmobile w/ CJ2)

In the center of the IP, near the radio

Engine Controls Components in Engine Controls

HVAC Connector End Views

Heater and A/C Control Assembly (Pontiac w/ C68)

In the center of the IP, near the radio

HVAC Component Views

HVAC Connector End Views

Heater and A/C Programmer (Pontiac)

Under the right side of the IP, near the rear of the IP compartment

HVAC Component Views

HVAC Connector End Views

Heater and A/C Programmer (Buick)

Under the right side of the IP, near the rear of the IP compartment

HVAC Component Views

HVAC Connector End Views

Heater and A/C Programmer (Oldsmobile)

Under the right side of the IP, near the rear of the IP compartment

HVAC Component Views

HVAC Connector End Views

Heater and A/C Vacuum Solenoid

Under the right side of the IP, on the right of the HVAC module

HVAC Component Views

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High Blower Relay

In the center rear of the engine compartment, below the right side MaxiFuse® block

HVAC Component Views

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Inside Air Temperature Sensor

Right hand side of the instrument panel, behind the instrument panel on the HVAC case

HVAC Component Views

HVAC Connector End Views

IP Fuse Block

Under the left side of the IP, on the left IP sound insulator

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

IP Junction Block

Under the right side of the IP, near the rear of the IP compartment

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Passenger Temperature Control

On the right front door, on the door trim panel

HVAC Component Views

HVAC Connector End Views

Sunload Sensor

Top of the instrument panel in defroster grille

HVAC Component Views

HVAC Connector End Views

Temperature Actuator

Under the right side of the IP, on the right of the HVAC module

Harness Routing Views in Wiring Systems

HVAC Connector End Views

C200

The body harness to the IP harness, under the center of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G105

In the right front of the engine compartment

Power and Grounding Component Views in Wiring Systems

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G201

In the right front of the passenger compartment, behind the right kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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G202

In the left front of the passenger compartment, behind the left kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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P101

In the right rear of the engine compartment, near the right front strut tower

Harness Routing Views in Wiring Systems

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P600

On the front of the right front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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S207

In the body harness, approximately 12 cm (4.7 in) from the center IP harness channel breakout

Harness Routing Views in Wiring Systems

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S213 (Buick)

In the IP harness, approximately 4 cm (1.6 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S213 (Oldsmobile)

In the IP harness, approximately 22 cm (8.7 in) from C200

Harness Routing Views in Wiring Systems

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S213 (Pontiac)

In the IP harness, approximately 6 cm (2.4 in) from the IP compartment lamp breakout

Harness Routing Views in Wiring Systems

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S214 (Buick)

In the IP harness, approximately 10.5 cm (4.1 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S225

In the body harness, approximately 49.5 cm (19.5 in) from the top edge of the left kick wall channel

Harness Routing Views in Wiring Systems

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S241

In the body harness, approximately 40 cm (15.7 in) from the interior lamp control module breakout

Harness Routing Views in Wiring Systems

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S264

In the IP harness, approximately 22 cm (8.6 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S268

In the body harness, approximately 26 cm (10.2 in) into the HVAC programmer breakout

Harness Routing Views in Wiring Systems

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S269

In the body harness, approximately 19.5 cm (7.7 in) into the HVAC programmer breakout

Harness Routing Views in Wiring Systems

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S270

In the body harness, approximately 8 cm (3.1 in) from edge of the right hand IP harness channel end

Harness Routing Views in Wiring Systems

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S277

In the IP harness, approximately 17 cm (6.7 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S308

In the body harness, approximately 33 cm (13 in) from the G201 breakout

Harness Routing Views in Wiring Systems

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