GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Clutch Diode (V6 VIN K)

Sealed in harness, approximately 3 cm (1 in) from the injector 2 breakout

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A/C Clutch Diode (V8 VIN G)

Sealed in harness, approximately 17 cm (7 in) back from the A/C compressor clutch

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A/C Compressor Clutch (V6 VIN K)

In the front of the engine, on the lower right side

HVAC Component Views

Engine Controls Connector End Views in Engine Controls

A/C Compressor Clutch (V8 VIN G)

In the front of the engine, on the lower right side

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Engine Controls Connector End Views in Engine Controls

A/C Compressor Relay

In the underhood electrical center 2

HVAC Component Views

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A/C Refrigerant Pressure Sensor (V6 VIN K)

Above right front wheelhouse, attached to the refrigerant line

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Engine Controls Connector End Views in Engine Controls

A/C Refrigerant Pressure Sensor (V8 VIN G)

Above right front wheelhouse, attached to the refrigerant line

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Engine Controls Connector End Views in Engine Controls

Blower Motor

Under the lower right side of the instrument panel, mounted in the HVAC module

Body Control System Component Views in Body Control System

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Blower Motor Relay

Under the instrument panel, above the floor tunnel, attached to the inflatable restraint instrument panel module bracket

Theft Deterrent System Component Views in Theft Deterrent

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Blower Resistor

In HVAC module, forward and left of temperature control cable attachment

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HVAC Control

In the center of the instrument panel, above the radio

HVAC Component Views

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HVAC Control Selector Switch

Part of the HVAC control

HVAC Component Views

HVAC Connector End Views

IP Fuse Block

On the left end of the instrument panel carrier

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

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Powertrain Control Module (PCM) (V6 VIN K)

On the right side of the engine compartment, rear of the wheelhouse

Power and Grounding Component Views in Wiring Systems

Powertrain Control Module Connector End Views in Engine Controls

Powertrain Control Module (PCM) (V8 VIN G)

On the right side of the engine compartment, rear of the wheelhouse

Power and Grounding Component Views in Wiring Systems

Powertrain Control Module Connector End Views in Engine Controls

Underhood Electrical Center 2

On the left front corner of the engine compartment

Power and Grounding Component Views in Wiring Systems

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C100 (10 cavities)

Engine to forward lamp harness, in the engine compartment, above the right wheelhouse

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200B (18 cavities)

Forward lamp to instrument panel harness, between the left kick panel and the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200D (48 cavities)

Part of the instrument panel harness, between the left kick panel and the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C230 (10 cavities)

Instrument panel to engine harness, under the right side of the instrument panel, behind the knee bolster

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G112

Attached to the rear of the left cylinder head

Harness Routing Views in Wiring Systems

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G200

Near the left A-pillar, bolted to the instrument panel mounting stud behind the kick panel

Harness Routing Views in Wiring Systems

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G201

Near the right A-pillar, bolted to the instrument panel mounting stud behind the kick panel

Harness Routing Views in Wiring Systems

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P100

Left side in the dash panel, engine to the passenger compartment

Harness Routing Views in Wiring Systems

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P110

Right side in the dash panel, engine to the passenger compartment

Harness Routing Views in Wiring Systems

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S108 (V6 VIN K)

In the engine harness, main branch, approximately 7 cm (3 in) from the vehicle speed sensor breakout

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S108 (V8 VIN G) (Automatic Transmission)

In the engine harness, main branch, approximately 5 cm (2 in) from the automatic transmission breakout

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S108 (V8 VIN G) (Manual Transmission)

In the engine harness, main branch, approximately 12 cm (5 in) from the vehicle speed sensor breakout

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S114 (V6 VIN K)

Engine harness, approximately 3 cm (1 in) from generator breakout

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S114 (V8 VIN G)

Engine harness, approximately 17 cm (7 in) back from A/C compressor clutch connector

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S115 (V6 VIN K)

In the engine harness at the generator breakout

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S115 (V8 VIN G)

In the engine harness, approximately 20 cm (8 in) back from the A/C compressor clutch connector

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S121 (V6 VIN K)

Engine harness, main branch, 8 cm (3 in) from powertrain control module (PCM) breakout

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S165

In the forward lamp harness, approximately 7 cm (3 in) from the main branch into the UH electrical center 2 breakout

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S216

In the instrument panel harness, main branch, approximately 10 cm (4 in) from the instrument cluster breakout

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S248

In the instrument panel harness, approximately 2 cm (1 in) from the radio connectors breakout

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