GM Service Manual Online
For 1990-2009 cars

Name

Location

Locator View

Connector End View

A/C Compressor Clutch Coil

Attached to the LH front of the engine block, part of the A/C compressor

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HVAC Connector End Views

A/C Compressor Diode

At the A/C compressor clutch coil connector

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A/C Compressor Relay K60

LH front of the engine compartment, in the ECM housing

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HVAC Connector End Views

A/C Compressor Refrigerant Pressure Switch

LH front of the engine compartment, mounted in the A/C compressor/condenser hose, below the A/C load switch

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

A/C Load Switch

LH front of the engine compartment, mounted in the A/C compressor/condenser hose

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Ambient Air Outside Temperature Sensor

Attached behind the lower LH front fascia

HVAC Component Views

HVAC Connector End Views

Body Control Module (BCM)

Mounted on lower RH A-pillar, behind the trim panel

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Blower Control Module

Behind RH side of I/P, attached to the HVAC module

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HVAC Connector End Views

Blower Motor

Behind RH side of I/P, part of the HVAC module

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Cooling Fan Test Connector

LH front of the engine compartment, in the ECM housing

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Cooling System Connector End Views in Engine Cooling

Data Link Connector (DLC)

Attached to the I/P carrier, to the left of the steering column

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Data Link Communications Connector End Views in Data Link Communications

Defroster Valve Actuator

Behind the RH side of the I/P, part of the HVAC module

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HVAC Connector End Views

LH Air Duct Temperature Sensor

Behind the RH side of the I/P, part of the HVAC module

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RH Air Duct Temperature Sensor

Behind the RH side of the I/P, part of the HVAC module

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Engine Control Module (ECM)

LH front of the engine compartment, in the ECM housing

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Electronic Brake/Traction Control Module (EBTCM)

LH front of the engine compartment, mounted to the lower rail

Antilock Brake System Component Views in Antilock Brakes

Antilock Brake System Connector End Views in Antilock Brakes

Fuse Block

Mounted to the I/P, lower LH side of the steering column

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Headlamp Automatic Control Ambient Light Sensor

Mounted to the top of the I/P

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Heater and A/C Control

Center of the I/P, above the radio

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Inside Air Valve Actuator

Behind the RH side of the I/P, mounted to the HVAC module above the heater core tubes

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HVAC Connector End Views

Mode (Floor) Valve Actuator

Behind the RH side of the I/P, mounted to the HVAC module above the heater core tubes

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HVAC Connector End Views

Recirculation Vacuum Solenoid Valve

Behind LH side of the I/P, mounted to the HVAC module

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Secondary Cooling Fan Temperature Switch

In lower LH side of radiator

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

LH Temperature Valve Actuator

Behind the LH side of the I/P, mounted to the lower part of the HVAC module

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HVAC Connector End Views

RH Temperature Valve Actuator

Behind the RH side of the I/P, mounted to the lower part of the HVAC module

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HVAC Connector End Views

Water Cut-Off Vacuum Solenoid Valve

Behind LH side of the I/P, mounted to the HVAC module

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C101

I/P wiring harness to A/C control wiring harness, in the LH front of the engine compartment, underneath the battery tray

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Inline Harness Connector End Views in Wiring Systems

C110

A/C wiring harness to A/C control wiring harness, in the ECM housing

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Inline Harness Connector End Views in Wiring Systems

C200A

I/P wiring harness to the body wiring harness, at the lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200B

I/P wiring harness to the body wiring harness, at the lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103

Body and I/P wiring harnesses, located at the LH front of the engine compartment, underneath the battery tray

Wiper/Washer Component Views in Wiper/Washer System

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P103

Lower LH A-pillar, forward of G200

Power and Grounding Component Views in Wiring Systems

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P104

In the LH engine compartment, in the ECM housing

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P110

Rear LH of the engine compartment

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S110

A/C control wiring harness, approximately 12 cm (5 in) from the C111 branch break off

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S120

ECM wiring harness, in the ECM housing, near the ECM connector

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S160

A/C control wiring harness, inside ECM housing near P104

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S205

I/P wiring harness, approximately 17 cm from P106

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S220

I/P wiring harness, near the data link connector (DLC) branch break off

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S228

I/P wiring harness, near the G201 branch break off

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S229

I/P wiring harness, near the gauge cluster connector branch break off

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S235

A/C control and module wiring harness, on the rear of the HVAC module

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S236

A/C control and module wiring harness, on the rear of the HVAC module

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S267

Body wiring harness, near the G200 branch break off

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