GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Under the right side of the instrument panel near the blower motor

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

Electronic Brake Control Module (EBCM)

Mounted with brake pressure modulator valve on the top of the left front frame rail

Antilock Brake System Component Views in Brakes

Antilock Brake System Connector End Views in Brakes

Engine Coolant Level Indicator Module (V8 VIN G)

Mounted on the upper right side of the radiator

Instrument Panel, Gages, and Console Component Views

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Engine Coolant Temperature (ECT) Sensor (V6 VIN K)

Under the throttle body, on the front side of the engine

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Engine Coolant Temperature (ECT) Sensor (V8 VIN G)

On the lower left side of the engine, above the generator

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Engine Oil Level Switch (V6 VIN K)

On the lower left side of the engine, in the oil pan

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Engine Oil Level Switch (V8 VIN G)

On the lower right side of the engine, in the oil pan

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Engine Oil Pressure Sensor (V6 VIN K)

On the top right side of the engine

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Engine Oil Pressure Sensor (V8 VIN G)

On the top rear of the engine, near the left cylinder head

Harness Routing Views in Wiring Systems

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Generator (V6 VIN K)

On the front right side of the engine

Engine Controls Component Views in Engine Controls

Engine Electrical Connector End Views in Engine Electrical

Generator (V8 VIN G)

On the front left side of the engine

Engine Controls Component Views in Engine Controls

Engine Electrical Connector End Views in Engine Electrical

Inflatable Restraint Sensing and Diagnostic Module (SDM)

On the floor tunnel, below the rear of the console

SIR Component Views in SIR

SIR Connector End Views in SIR

Instrument Cluster

On the left end of the instrument panel carrier

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

IP Fuse Block

On the left side of the instrument panel

Instrument Panel, Gages, and Console Component Views

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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

C200A (17 cavities)

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

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

C210 (8 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

C220 (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

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

G105

Attached to the top right side of the radiator support

Harness Routing Views in Wiring Systems

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G106

Attached to the top left side of the radiator support

Harness Routing Views in Wiring Systems

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G110 (V8 VIN G)

Attached to the rear of the left cylinder head

Harness Routing Views in Wiring Systems

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G110 (V6 VIN K)

In the front of the engine, bolted to the pulley above the A/C clutch connector

Harness Routing Views in Wiring Systems

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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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P100

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

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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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S110 (V8 VIN G)

In the engine harness, main branch, approximately 19 cm (7 in) from the powertrain control module (PCM) breakout

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S110 (V6 VIN K)

In the engine harness, approximately 4 cm (2 in) from the powertrain control module (PCM) breakout

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S112

In the forward lamp harness, approximately 9 cm (4 in) from the right lamps breakout

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S120 (V8 VIN G)

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

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S206

In the instrument panel harness, main branch, at the rear compartment lid release relay breakout

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S211

In the instrument panel harness, main branch, approximately 7 cm (3 in) from the rear compartment lid release relay breakout

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S214 (Chevrolet)

instrument panel harness, approximately 8 cm (3 in) into instrument cluster breakout

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S215

In the instrument panel harness, main branch, approximately 11 cm (4 in) from the antenna cable 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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S219

instrument panel harness, main branch, approximately 13 cm (5 in) from rear compartment lid release relay breakout

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S224

In the instrument panel harness, main branch, approximately 17 cm (7 in) from the instrument cluster breakout

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S228

Instrument panel harness, main branch, approximately 20 cm (8 in) from rear compartment lid release relay breakout

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S242

In the instrument panel harness, main branch, approximately 4 cm (2 in) from data link connector (DLCbreakout

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