GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor

On the lower right front of the engine

HVAC Component Views

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A/C Compressor Clutch

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

HVAC Component Views

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A/C Compressor Relay

In the center of the lower IP, behind the panel, in relay center 2

HVAC Component Views

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A/C Condenser Fan Capacitor

On the upper left rear of the A/C condenser fan shroud, in the lower right front of the vehicle

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A/C Condenser Fan Motor

Behind the A/C condenser, in the lower right front of the vehicle

HVAC Component Views

HVAC Connector End Views

A/C Condenser Fan Relay

In the center of the lower IP, behind the panel, in relay center 1

HVAC Component Views

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A/C Mode Switch (w/ A/C)

In the center of the IP, part of the HVAC controller

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges, and Console

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A/C Pressure Cutoff Switch

In the right front of the vehicle, behind the front bumper, on the top of the A/C condenser receiver/dryer

HVAC Component Views

HVAC Connector End Views

A/C Temperature Sensor

In the A/C evaporator housing

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A/C Temperature Switch

In the A/C evaporator housing

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HVAC Connector End Views

Blower Motor (w/ A/C)

Behind the lower right side of the IP

HVAC Component Views

HVAC Connector End Views

Blower Motor Resistor (w/ A/C)

In the lower right side of the IP, part of the blower motor assembly

HVAC Component Views

HVAC Connector End Views

Blower Relay (w/ A/C)

In the center of the lower IP, behind the panel, in relay center 2

Power and Grounding Component Views in Wiring Systems

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Blower Switch (w/ A/C)

In the center of the IP, part of the HVAC controller

HVAC Component Views

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HVAC Air Temperature Actuator (w/ A/C)

Behind the lower right side of the IP, near the blower motor assembly

HVAC Component Views

HVAC Connector End Views

HVAC Controller (w/ A/C)

In the center of the IP, above the radio

HVAC Component Views

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HVAC Controller (w/ A/C) C1 (16 cavities)

In the upper IP harness to the HVAC controller

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HVAC Connector End Views

HVAC Controller (w/ A/C) C2 (12 cavities)

In the upper IP harness to the HVAC controller

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HVAC Connector End Views

HVAC Controller (w/ A/C) C3 (6 cavities)

In the upper IP harness to the HVAC controller

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HVAC Connector End Views

HVAC Mode Door Actuator (w/ A/C)

Behind the lower right side of the IP, near the blower motor assembly

HVAC Component Views

HVAC Connector End Views

HVAC Recirculating/Fresh Air Actuator (w/ A/C)

Behind the lower right side of the IP, near the blower motor assembly

HVAC Component Views

HVAC Connector End Views

C200 (56 cavities)

In the lower IP harness, to the front chassis harness, in the left center of the cab, in the cab interface connector housing

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C212

In the lower IP harness, to the upper IP harness, in the left center of the IP at the floor

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G105

On the left front of the #1 crossmember

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P100

On the front chassis harness, under the hood, in the center of the bulkhead, in the cab interface connector housing

Harness Routing Views in Wiring Systems

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S305

In the lower IP harness

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S328

In the lower IP harness

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