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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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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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

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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

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Body Control Module (BCM)

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

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Blower Controller

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

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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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Data Link Connector (DLC)

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

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Defroster Valve Actuator

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

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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

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Engine Control Module (ECM)

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

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Electronic Brake/Traction Control Module (EBTCM)

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

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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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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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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

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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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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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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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C200A

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

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C200B

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

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G103

Body and I/P wiring harnesses, located at the LH front of the engine compartment, near C102, C105 and C106

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P103

Lower LH A-pillar, forward of G200

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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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