GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch Coil

Part of A/C compressor, lower right side front of the engine

Refer to HVAC Component Views

Refer to HVAC Connector End Views

A/C Refrigerant Pressure Sensor

Right side of the engine compartment, on the accumulator

Refer to HVAC Component Views

Refer to HVAC Connector End Views

Automatic Transaxle

Left side of the engine

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Knock Sensor (KS) Bank 1

Front lower engine, above the starter

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Camshaft Position Sensor (CMP)

Right side of the engine, below the intake plenum

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Crankshaft Position (CKP) Sensor ( 7 X)

Lower rear of the engine block, below the exhaust manifold

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Crankshaft Position (CKP) Sensor ( 24 X)

Right side of engine, at the end of the crankshaft, behind the harmonic balancer

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Data Link Connector (DLC)

Below the left side of the IP, right of the steering column

Refer to Data Link Communications Component Views

Refer to Data Link Communications Connector End Views

Engine Coolant Fan Motor (LH)

Mounted on the left side of the radiator

Refer to Cooling System Component Views

Refer to Cooling System Connector End Views

Engine Coolant Fan Motor (RH)

Mounted on the right side of the radiator

Refer to Cooling System Component Views

Refer to Cooling System Connector End Views

Engine Coolant Temperature (ECT) Sensor

Top left side of the engine, below the throttle body

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Engine Oil Level Indicator Switch

In the oil pan, lower front center

Refer to Instrument Panel, Gages, and Console Component Views

Refer to Instrument Panel, Gages, and Console Connector End Views

Engine Oil Pressure Indicator Switch

Front of the engine, above the starter

Refer to Instrument Panel, Gages, and Console Component Views

Refer to Instrument Panel, Gages, and Console Connector End Views

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve

Top rear of the engine, behind the ignition control module

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Fuel Injectors

Top of the engine, at each intake port

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Fuel Tank

Below rear of the vehicle

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Fuse Block

Right side of IP, in the right front door opening

Refer to Power and Grounding Component Views

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Generator

Top rear right side of the engine

Refer to Engine Electrical Component Views

Refer to Engine Electrical Connector End Views

HVAC Control Assembly

Center of the IP

Refer to HVAC Component Views

Refer to HVAC Connector End Views

Idle Air Control (IAC) Valve

Left top of the engine, on the throttle body assembly

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Ignition Control Module (ICM)

Top rear of the engine

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Instrument Cluster

Top of the IP, above the steering column

Refer to Instrument Panel, Gages, and Console Component Views

Refer to Instrument Panel, Gages, and Console Connector End Views

Intake Air Temperature (IAT) Sensor

Left front of the engine compartment, in the air cleaner duct

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Manifold Absolute Pressure (MAP) Sensor

Top rear of the engine, above the valve cover

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor

Left front of the engine, in the air cleaner duct

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Park Neutral Position (PNP) Switch

Left of the engine, on the transaxle

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Powertrain Control Module (PCM)

Front left side of the engine, inside the air cleaner assembly

Refer to Engine Controls Component Views

Refer to Powertrain Control Module Connector End Views

Splice Pack SP 205

Below IP, right side of the steering column

Refer to Data Link Communications Component Views

Refer to Data Link Communications Connector End Views

Starter Motor

Lower front of the engine

Refer to Engine Electrical Component Views

Refer to Engine Electrical Connector End Views

Stop Lamp Switch

Below the left side of IP, on the right side of the brake pedal bracket

Refer to Lighting Systems Component Views

Refer to Lighting Systems Connector End Views

Throttle Position (TP) Sensor

Top of the left side of the engine, on the throttle body assembly

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Torque Converter Clutch Pulse Width Modulation Solenoid Valve

Inside the automatic transaxle

Refer to Transmission Component Location

Refer to Automatic Transmission Internal Connector End Views

Underhood Accessory Wiring Junction Block

Right side of the engine compartment, mounted to the strut tower

Refer to Power and Grounding Component Views

Refer to Power and Grounding Connector End Views

Vehicle Speed Sensor (VSS)

Lower right side of the engine compartment, on the transaxle

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

C101 (20 cavities)

IP wiring harness to the engine wiring harness, left side of the engine compartment, near the strut tower

Refer to Harness Routing Views

Refer to Inline Harness Connector End Views

C102 (16 cavities)

Engine wiring harness to the fuel injector wiring harness, top of the engine near the generator

Refer to Harness Routing Views

Refer to Inline Harness Connector End Views

C105 (4 cavities)

Engine wiring harness to the engine coolant fan wiring harness, on the radiator right cooling fan

Refer to Harness Routing Views

Refer to Inline Harness Connector End Views

C113 (20 cavities)

Engine wiring harness to the automatic transaxle wiring harness, left side of the engine compartment, top of the transaxle

Refer to Harness Routing Views

Refer to Inline Harness Connector End Views

C200 (56 cavities)

IP wiring harness to the body wiring harness, behind the right side of IP

Refer to Harness Routing Views

Refer to Inline Harness Connector End Views

C405 (8 cavities)

Body wiring harness to the fuel level sensor wiring harness, rear compartment floor, forward of the spare tire well

Refer to Harness Routing Views

Refer to Inline Harness Connector End Views

G113

Lower left front of the engine, on the transaxle stud, left of the starter

Refer to Harness Routing Views

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G117

Lower left front of the engine, on the transaxle stud, above the starter

Refer to Harness Routing Views

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G200

Behind the right side of the IP compartment

Refer to Harness Routing Views

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G203

Below IP, right side of the steering column

Refer to Harness Routing Views

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G402

Inside the rear compartment, below the right side of the rear window trim panel

Refer to Harness Routing Views

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P100

Lower right side of the dash panel

Refer to Harness Routing Views

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P101

Upper left side of the dash panel

Refer to Harness Routing Views

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S105

Engine wiring harness, front of the engine compartment, approximately 4 cm (2 in) from the inline connector C 105 (engine coolant fan jumper connector) breakout

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S106

Engine wiring harness, left side of the engine compartment, approximately 7 cm (3 in) from the PCM breakout

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S109

Fuel injector wiring harness, top of the engine, approximately 2 cm (1 in) from the fuel injector 2 breakout

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S121

Fuel injector wiring harness, top of the engine approximately 2 cm (1 in) from the fuel injector 3 breakout

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S202

IP wiring harness, right side of the steering column, approximately 19 cm (8 in) from C 242 (center console) breakout

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S211

IP wiring harness, left side of the steering column, approximately 20 cm (8 in) from the instrument cluster breakout

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S230

IP wiring harness, approximately 4 cm (2 in) from the blower moter control module breakout

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S233

IP wiring harness, behind the center of the IP, approximately 4 cm (2 in) from the radio breakout

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S234

IP wiring harness, left side of the steering column, approximately 13 cm (5 in) from the instrument cluster breakout

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S270

IP wiring harness, behind the right side of the IP, approximately 4 cm (2 in) from the blower motor control module breakout

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