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 in HVAC- Manual (RPO C 60) or

Refer to HVAC Component Views in HVAC-Automatic (RPO CJ 2)

Refer to HVAC Connector End Views in HVAC- Manual (RPO C 60) or

Refer to HVAC Connector End Views in HVAC-Automatic (RPO CJ 2)

A/C Refrigerant Pressure Sensor

Right side of the engine compartment, on the accumulator

Refer to HVAC Component Views in HVAC- Manual (RPO C 60) or

Refer to HVAC Component Views in HVAC-Automatic (RPO CJ 2)

Refer to HVAC Connector End Views in HVAC- Manual (RPO C 60) or

Refer to HVAC Connector End Views in HVAC-Automatic (RPO CJ 2)

Automatic Transaxle

Left side of the engine

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Bank 1 Knock Sensor (KS) (VIN M)

Front lower engine, above the starter

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Bank 2 Knock Sensor (KS) (VIN M)

In the engine block, rear center, below the exhaust manifold

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Camshaft Position Sensor (CMP) (VIN M)

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 (7X) (VIN M)

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 (24X) (VIN M

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

Cruise Control Module

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

Refer to Cruise Control Component Views in Cruise Control Systems

Refer to Cruise Control Connector End Views in Cruise Control Systems

Data Link Connector (DLC)

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

Refer to Data Link Communications Component Views in Data Link Communication

Refer to Data Link Communications Connector End Views in Data Link Communication

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 (VIN M)

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 (VIN M)

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 (VIN M)

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 (VIN M)

Top rear of the engine, behind the ignition control module

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Vent Solenoid Valve

Behind LH side of rear fascia splash shield, in wheel well

Refer to Engine Controls Component Views

Engine Controls Component Views

Refer to Engine Controls Connector End Views

Engine Controls Connector End Views

Exhaust Gas Recirculation (EGR) Valve (VIN M)

Upper left side of the engine, near the throttle body

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 Component Views

Refer to Engine Controls Connector End 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 Component Views

Refer to Engine Controls Connector End Views

Refer to Engine Controls Connector End Views

Fuse Block

Right side of IP, in the right front door opening

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Generator

Top rear right side of the engine

Refer to Engine Electrical Component Views in Engine Electrical

Refer to Engine Electrical Connector End Views in Engine Electrical

Heated Oxygen Sensor 1 (HO2S 1) (VIN M)

In the rear bank exhaust manifold, behind the center of the engine

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Heated Oxygen Sensor 2 (HO2S 2)

In the exhaust system, behind the catalytic converter

Engine Controls Component Views

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Refer to Engine Controls Connector End Views

Heater-A/C Control (C60/CJ3)

Center of the IP

Refer to HVAC Component Views in HVAC-Manual Systems

Refer to HVAC Connector End Views in HVAC-Manual Systems

Heater-A/C Control (CJ2)

Center of the IP

Refer to

HVAC Component Views in HVAC-Automatic Systems

Refer to HVAC Connector End Views in HVAC-Automatic Systems

Idle Air Control (IAC) Valve (VIN M)

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) (VIN M)

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 in Instrument Panel, Guages and Console Systems

Refer to Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Guages and Console Systems

Intake Air Temperature (IAT) Sensor (VIN M)

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 (VIN M)

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 (VIN M)

Left front of the engine, in the air cleaner duct

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Powertrain Control Module (PCM) (VIN M)

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

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Splice Pack SP205

Below IP, right side of the steering column

Refer to Data Link Communications Component Views in Data Link Communications

Refer to Data Link Communications Connector End Views in Data Link Communications

Starter

Lower front of the engine

Refer to Engine Electrical Component Views in Engine Electrical Systems

Refer to Engine Electrical Connector End Views in Engine Electrical Systems

Stop Lamp Switch

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

Refer to Lighting Systems Component Views in Lighting Systems

Refer to Lighting Systems Connector End Views in Lighting Systems

Throttle Position (TP) Sensor (VIN M)

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

Transaxle Range Switch

Left of the engine, on the transaxle

Refer to Engine Controls Component Views

Refer to Engine Controls Component Views

Refer to Engine Controls Connector End Views

Refer to Engine Controls 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 in Wiring Systems

Refer to Power and Grounding Connector End Views in Wiring Systems

Vehicle Speed Sensor (VSS)

Lower right side of the engine compartment, on the transaxle

Engine Controls Component Views Refer to Engine Controls Component Views

Refer to Engine Controls Connector End 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 in Wiring Systems

Refer to Inline Harness Connector End Views in Wiring Systems

C102 (10 cavities)

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

Refer to Harness Routing Views in Wiring Systems

Refer to Inline Harness Connector End Views in Wiring Systems

C105 (VIN M)(4 cavities)

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

Refer to Harness Routing Views in Wiring Systems

Refer to Inline Harness Connector End Views in Wiring Systems

C108 (5 cavities)

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

Refer to Harness Routing Views in Wiring Systems

Refer to Inline Harness Connector End Views in Wiring Systems

C111 (7 cavities)

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

Refer to Harness Routing Views in Wiring Systems

Refer to Inline Harness Connector End Views in Wiring Systems

C200 (56 cavities)

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

Refer to Harness Routing Views in Wiring Systems

Refer to Inline Harness Connector End Views in Wiring Systems

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 in Wiring Systems

Refer to Inline Harness Connector End Views in Wiring Systems

G113 (VIN M)

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

Refer to Harness Routing Views in Wiring Systems

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G117 (VIN M)

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

Refer to Harness Routing Views in Wiring Systems

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G200

Behind the right side of the IP compartment

Refer to Harness Routing Views in Wiring Systems

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G203

Below IP, right side of the steering column

Refer to Harness Routing Views in Wiring Systems

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G402

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

Refer to Harness Routing Views in Wiring Systems

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P100

Lower right side of the dash panel

Refer to Harness Routing Views in Wiring Systems

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P101

Upper left side of the dash panel

Refer to Harness Routing Views in Wiring Systems

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P425

Left side of the rear compartment, in the rear of the left rear wheelhouse

Refer to Inline Harness Connector End Views in Wiring Systems

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S105

Engine wiring harness, front of the engine compartment, approximately 4 cm (2 in) from the inline connector C105 (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 (VIN M)

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

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S121 (VIN M)

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

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S155

Engine wiring harness, left side of the engine compartment, approximately 17 cm (6 in) from the PCM breakout

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S167

Engine wiring harness, inboard of the coolant bottle on the driver side of engine compartment, appoximately 4 cm (2 in) from the PCM breakout

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S202

IP wiring harness, right side of the steering column, approximately 19 cm (8 in) from the radio breakout

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S211

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

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S409

Body wiring harness, left floor, under the rear seat, approximately 51 cm (20 in) from inline connector C405

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