GM Service Manual Online
For 1990-2009 cars only

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 in HVAC Systems

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, at position 17

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HVAC Connector End Views in HVAC Systems

A/C Compressor Refrigerrant Pressure Switch

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

Cooling System Component Views in Engine Cooling

HVAC Connector End Views in HVAC Systems

Ambient Air Outside Temperature Sensor

Attached behind the lower LH front fascia

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HVAC Connector End Views in HVAC Systems

Body Control Module (BCM)

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

BCM Component Views in Body Control System

BCM Connector End Views in Body Control System

Blower Controller

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

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HVAC Connector End Views in HVAC Systems

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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Power and Grounding Connector End Views in Wiring Systems

Defroster Valve Actuator

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

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HVAC Connector End Views in HVAC Systems

Duct Air Temperature Sensor (LH)

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

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Duct Air Temperature Sensor (RH)

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

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ECM Housing

LH front of the engine compartment

Engine Controls Component Views in Engine Controls

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Engine Control Module (ECM)

LH front of the engine compartment, in the ECM housing, at position 1

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 Brakes System Component Views in Antilock Brakes

Antilock Brakes 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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Lighting Systems Connector End Views in Lighting Systems

Heater and A/C Control

Center of the I/P, above the radio

Instrument Cluster Component Views in Instrument Panel, Gauges and Console

HVAC Connector End Views in HVAC Systems

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 in HVAC Systems

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 in HVAC Systems

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 Cooling System

Temperature Valve Actuator (LH)

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 in HVAC Systems

Temperature Valve Actuator (RH)

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 in HVAC Systems

Water Cut-Off Vacuum Solenoid Valve

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

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C110

ECM wiring harness to A/C control wiring harness, at lower LH A-pillar

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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, near C102, C105 and C106

Wiper/Washer System 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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P108

LH engine compartment, at the rear of the ECM housing

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P109

A/C control wiring harness, approximately 12 cm from connector C111 branch break off

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P110

Rear LH of the engine compartment

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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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S222

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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