GM Service Manual Online
For 1990-2009 cars only

Instrument Cluster Components P42

Name

Location

Locator View

Connector End View

Engine Coolant Level Switch (Diesel)

On the LH side of the radiator surge tank mounted above the radiator

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Engine Coolant Temperature Gauge Sensor (Diesel)

At the front of the LH cylinder head

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Instrument Panel, Gages, and Console Connector End Views

Engine Coolant Temperature Gauge Sensor (Gasoline)

On the side of the LH cylinder head between the spark plugs

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Engine Oil Pressure Gauge Sensor

At the top rear of the engine block

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Level Sensor (Diesel)

At the top center of the fuel tank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Generator

At the RH front of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Ignition Coil

Mounted on a bracket above the top edge of the RH cylinder head

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Ignition Switch

On the lower RH side of the steering column below the support bracket

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster

Body builder installed

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Instrument Panel, Gages, and Console Connector End Views

IP Fuse Block

Located by the body builder

Electrical Center Identification Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Control Module (Gasoline)

At the LH side of the radiator support

Engine Controls Component Views in Engine Controls

VCM Connector End Views in Engine Controls

Vehicle Speed Sensor Calibrator (Diesel)

At the LH side of the drivers island under the relay bracket

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

C102

Engine harness to the generator harness at the RH front of the engine below the generator

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

Engine harness to the IP harness, in the bulkhead near P100

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202

Engine harness to the IP harness, in the bulkhead near P100

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C213

Door ajar switch signal provision for the body builder

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C300

Engine harness to the rear chassis harness, near the middle of the chassis at the outside of the LH frame rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C401

Rear chassis harness to the fuel pump module harness, near the LH frame rail in back of the fuel tank

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G108 (Diesel with Manual Trans)

On top of the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G108 (All Gasoline, Diesel with Auto Trans)

At the rear of the LH cylinder head

Power and Grounding Component Views in Wiring Systems

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G200

LH interior bulkhead near the relay bracket

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G400

At the LH frame rail in front of the fuel tank

Power and Grounding Component Views in Wiring Systems

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P100

LH bulkhead left of the steering column

Harness Routing Views in Wiring Systems

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S110 (Gasoline)

In the engine harness, approximately 4 cm (2 in) from the breakout for C200 towards P100

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S110 (Diesel)

In the engine harness, approximately 4 cm (2 in) from the ABS harness connectors C110 and C111 towards P100

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S143 (MFI Diesel)

In the engine harness, approximately 17 cm (7 in) from P100

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S143 (EFI Diesel)

In the engine harness, approximately 16 cm (6 in) from the A/C compressor clutch breakout towards C200

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S143 (Gasoline)

In the engine harness, approximately 6 cm (2 in) from C200 breakout towards the MAF sensor

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S169 (Diesel)

In the engine harness, approximately 11 cm (4 in) from the breakout for the A/C compressor clutch

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S205

In the IP harness, approximately 4 cm (2 in) before the fuse block breakout toward C200

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S207

In the IP harness, approximately 66 cm (26 in) before the fuse block breakout toward the instrument cluster connector

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S218

In the IP harness, approximately 28 cm (11 in) before the fuse block breakout toward C200

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S406

In the chassis harness, approximately 10 cm (4 in) from G400

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Instrument Cluster Components P32

Name

Location

Locator View

Connector End View

Engine Coolant Level Switch

On the RH side of the radiator surge tank mounted above the radiator

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Engine Coolant Temperature Gauge Sensor (Diesel)

At the front of the LH cylinder head

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Engine Coolant Temperature Gauge Sensor (Gas)

On the side of the LH cylinder head between the spark plugs

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Engine Oil Pressure Gauge Sensor

At the top rear of the engine block

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Level Sensor (Diesel)

At the top center of the fuel tank

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Instrument Panel, Gages, and Console Connector End Views

Generator

At the RH front of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Ignition Coil (Gas)

At the top rear of the intake manifold, near the distributor

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Ignition Switch

On the lower RH side of the steering column below the support bracket

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster

Body builder installed

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Instrument Panel, Gages, and Console Connector End Views

IP Fuse Block

Located by the body builder

Electrical Center Identification Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Control Module (Gas)

Mounted to the top of the radiator support

Engine Controls Component Views in Engine Controls

VCM Connector End Views in Engine Controls

Vehicle Speed Sensor Calibrator (Diesel)

Above the accelerator at the RH side of the brake pedal support

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

C101

Engine harness to the diesel harness, at the LH rear of the engine above the intake manifold

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

Engine harness to the IP harness, at the top front of the steering column support near the park brake pull button switch

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C209

Door ajar switch provision for the body builder

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C300

Engine harness to the rear chassis harness, near the middle of the chassis at the outside of the LH frame rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C401

Rear chassis harness to the fuel pump module harness, along the LH frame rail next to the fuel tank

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Inline Harness Connector End Views in Wiring Systems

G108

On top of the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G200

Mounted to the top front of the steering column support plate

Power and Grounding Component Views in Wiring Systems

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G400

At the LH frame rail in front of the fuel tank

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P100

Main wiring pass through at the bulkhead

Harness Routing Views in Wiring Systems

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R202

In the IP side of the engine harness, 35 cm (14 in) from P100, toward the breakout for the turn signal switch connector

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S101 (Diesel)

In the engine harness, 16 cm (7 in) from the breakout for the auxiliary engine coolant fan motor, toward P100

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S101 (Gas)

In the engine harness, 20 cm (8 in) from the breakout for C100 and C207, toward the auxiliary engine coolant fan motor

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S150 (Diesel)

In the engine harness, 14 cm (6 in) from P100, toward C100 and C207

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S150 (Gas)

In the engine harness, 4 cm (2 in) from the breakout for the battery junction block toward C100 and C207

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S165

In the ABS harness, 10 cm (4 in) from the breakout for C110

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S166 (Diesel)

In the engine harness, 2 cm (1 in) from the breakout for C100 and C207, toward the auxiliary engine coolant fan motor

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S166 (Gas)

In the engine harness, 5 cm (2 in) from the breakout for the cruise control module, toward the VCM

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S204

In the IP harness, 26 cm (10 in) from the horn relay breakout, toward P100

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S206

In the IP harness, 25 cm (10 in) from the instrument cluster connector

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S210

In the IP harness, 4 cm (1 in) from the dimmer switch and the IP cluster connector breakout, toward C200 and the horn relay

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S211

In the IP harness, 6 cm (2 in) from the dimmer switch and the IP cluster connector breakout, toward the IP fuse block

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S214

In the IP harness, 18 cm (7 in) from the breakout for the IP lamps dimmer switch and the instrument cluster connector, toward the IP fuse block

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S252/S253 (Resistor Splice)

Resistor splice for R202 in the IP side of the engine harness, 35 cm (14 in) from P100, toward the breakout for the turn signal switch connector

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S400 (Diesel)

In the rear chassis harness, 10 cm (4 in) from the breakout for G400 toward the fuel level sensor

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S400 (Gas)

In the rear chassis harness, 10 cm (4 in) from the breakout for G400 toward the fuel pump module

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