GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Audio Alarm Module

Left side of the lower IP, left of Steering column

Audible Warnings Component Views

Audible Warnings Connector End Views

Engine Coolant Temperature (ECT) Sensor

Left side of the engine, mounted in thermostat housing

Engine Controls Component Views in Engine Controls,1.0L,1.3L

Engine Controls Connector End Views in Engine Controls,1.0L,1.3L

Fuel Sender Assembly

In the fuel tank

Engine Controls Component Views in Engine Controls,1.0L,1.3L

Instrument Panel, Gages, and Console Connector End Views

Ignition Key Warning Switch

Right side of the steering column, on the ignition switch cylinder

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Instrument Panel Cluster Assembly

Left side of the IP

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Instrument Panel, Gages, and Console Connector End Views

Junction Block

Behind left side of the IP

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Oil Pressure Switch

Front of the engine, behind the exhaust manifold

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Powertrain Control Module (PCM)

Behind the right side of the IP, near the glove box

Engine Controls Component Views in Engine Controls,1.0L,1.3L

Powertrain Control Module Connector End Views in Engine Controls,1.0L,1.3L

Relay Box

Left front engine compartment, near the battery

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Turn Signal/Combination Switch

On steering column

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Lighting Systems Connector End Views in Lighting Systems

Vehicle Speed Sensor (VSS) (Automatic Transaxle)

Left side of the engine compartment, top of the transaxle

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C113 (16 Cavities)

Main harness to engine harness, right rear side of the engine compartment near the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (12 Cavities)

Main harness to the IP harness, behind the left IP, near junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (13 Cavities)

IP harness to floor harness, behind left side of the IP, near junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205 (12 Cavities)

IP harness to engine harness, behind the right side of the IP, near the powertrain control module (PCM)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C300 (2 Cavities)

Floor harness to fuel tank jumper harness, under the rear passenger seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C310 (4 Cavities)

Floor harness to fuel tank jumper harness, under rear passenger seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G104

Center rear side of the engine on the intake manifold

Harness Routing Views in Wiring Systems

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G105 (VIN 6)

Center rear of engine, on the intake manifold

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G203

Junction block case ground, under the left side of the IP

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G400 (2-Door)

Rear center of luggage compartment

Harness Routing Views in Wiring Systems in Wiring Systems

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(4-Door)

Rear center of luggage compartment

Harness Routing Views

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P200

Left rear engine compartment, on the bulkhead, near the brake master cylinder

Harness Routing Views in Wiring Systems

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P202

Center of the engine compartment, on the bulkhead

Harness Routing Views in Wiring Systems

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P300

Below the right rear passenger seat

Harness Routing Views in Wiring Systems

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S111 (VIN 6)

Main harness, approximately 7 cm (2.8 in) from the ignition coil breakout

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S167

Engine harness, approximately 14 cm (6 in) from the C113 breakout

Harness Routing Views in Wiring Systems

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S200 (VIN 6)

Main harness, approximately 15 cm (6 in) from the C208 breakout

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S204

Main harness, approximately 8 cm (3.125 in) from the junction block connector C5 breakout

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S218

IP harness, approximately 3 cm (1.19 in) from the IP cluster assembly connector C3 breakout

Harness Routing Views in Wiring Systems

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S219

IP Harness, approximately 3 cm (1.19 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S226

IP harness, approximately 3 cm (1.19 in) from the IP cluster assembly connector C3 breakout

Harness Routing Views in Wiring Systems

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S241

IP harness, approximately 5 cm (2 in) from the IP cluster assembly connector C3 breakout

Harness Routing Views in Wiring Systems

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S242

IP harness, at the IP cluster assembly connector C3 breakout

Harness Routing Views in Wiring Systems

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S245

IP harness, approximately 12 cm (5 in) from the I/P cluster assembly connector C3 breakout

Harness Routing Views in Wiring Systems

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S256

Main harness, near the junction block connector C6 breakout

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S301 (2-Door)

Floor harness, approximately 20 cm (8 in) from the center console branch breakout

Harness Routing Views in Wiring Systems

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S311 (4-Door)

Floor harness, approximately 10 cm (4 in) from the C400 breakout

Harness Routing Views in Wiring Systems

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S315

Fuel tank jumper harness, approximately 10 cm (4 in) from P300

Harness Routing Views in Wiring Systems

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S402 (2-Door)

Floor harness, approximately 5 cm (2 in) from the left rear combination lamp connector breakout

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S403 (2-Door)

Floor Harness, approximately 5 cm (2 in) from G400 breakout

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S406 (4-Door)

Floor harness, approximately 10 cm (4 in) from the left rear combination lamp connector breakout

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S407 (4-Door)

Floor harness, approximately 20 cm (8 in) from the left rear combination lamp connector breakout

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S408 (4-Door)

Floor harness, approximately 5 cm (2 in) from the C400 breakout

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