GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch Coil

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

HVAC Component Views in HVAC Systems - Manual or HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Manual or HVAC Connector End Views in HVAC Systems - Automatic

A/C Refrigerant Pressure Sensor

Left side of the engine compartment, near the accumulator

HVAC Component Views in HVAC Systems - Manual or HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Manual or HVAC Connector End Views in HVAC Systems - Automatic

Automatic Transaxle

Left side of the engine compartment

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Bank 1 Knock Sensor (KS)

In the engine block, front center, right of the starter

Engine Controls Component Views

Engine Controls Connector End Views

Bank 2 Knock Sensor (KS)

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

Engine Controls Component Views

Engine Controls Connector End Views

Camshaft Position Sensor (CMP)

Right side of the engine, above the crankshaft pulley

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position (CKP) Sensor

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

Engine Controls Component Views

Engine Controls Connector End Views

Cruise Control Module

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

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Data Link Connector (DLC)

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

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Electronic Brake Control Module (EBCM)

Left rear of the engine compartment, near the left strut tower

Antilock Brake System Component Views in Antilock Brakes Systems

Antilock Brake System Connector End Views in Antilock Brake System

Engine Coolant Fan Motor (LH)

Mounted on the left side of the radiator

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

Engine Coolant Fan Motor (RH)

Mounted on the right side of the radiator

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

Engine Coolant Temperature (ECT) Sensor

Top left side of the engine, below the thermostat housing

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Level Indicator Switch

In the engine oil pan, front of the engine, center of the pan

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Pressure Indicator Switch

Right lower rear of the engine, above the transaxle

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve (VIN 1)

Rear top of the engine, near the center of the valve cover

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve (VIN K)

Top front of the engine, near the center of the valve cover

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Vent Solenoid Valve

Behind the left side of the rear fascia splash shield, in the wheel well

Engine Controls Component Views

Engine Controls Connector End Views

Exhaust Gas Recirculation (EGR) Valve

Left rear top of the engine, near the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injectors

Top of the engine, at each intake port

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Pump Resistor

Mounted to the outside right front frame rail, forward of the front wheel

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Tank

Below the rear of the vehicle

Engine Controls Component Views

Engine Controls Connector End Views

Fuse Block

Right side of the IP, in the right front door opening

Power and Grounding Component Views in Wiring Systems

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Generator

Top rear right side of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Heated Oxygen Sensor 1 (HO2S 1)

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

Engine Controls Component Views

Engine Controls Connector End Views

Heated Oxygen Sensor 2 (HO2S 2)

In the exhaust system, behind the catalytic converter

Engine Controls Component Views

Engine Controls Connector End Views

Heater-A/C Control (C60/CJ3)

Center of the IP

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Heater-A/C Control (CJ2)

Center of the IP

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Idle Air Control (IAC) Valve (VIN 1)

Left rear of the engine, on the supercharger

Engine Controls Component Views

Engine Controls Connector End Views

Idle Air Control (IAC) Valve (VIN K)

Left top of the engine, on the throttle body assembly

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Control Module (ICM)

Top right front of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Instrument Cluster

Top of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

Intake Air Temperature (IAT) Sensor

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

Engine Controls Component Views

Engine Controls Connector End Views

Manifold Absolute Pressure (MAP) Sensor (VIN 1)

Top rear of the engine, above the valve cover

Engine Controls Component Views

Engine Controls Connector End Views

Manifold Absolute Pressure (MAP) Sensor (VIN K)

Top of the engine, right side of the intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor (VIN 1)

Left front of the engine, part of the throttle body assembly

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor (VIN K)

Left front of the engine, part of the throttle body assembly

Engine Controls Component Views

Engine Controls Connector End Views

Park/Neutral Position (PNP) Switch

Left of the engine, on the transaxle

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM)

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

Engine Controls Component Views

Powertrain Control Module Connector End Views

Splice Pack SP205

Below the IP, right side of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Starter

Lower front of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Stop Lamp Switch

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

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Supercharger Bypass Valve

Left top of the engine, above the front valve cover

Engine Controls Component Views

Engine Controls Connector End Views

Throttle Position (TP) Sensor (VIN 1)

Top of the engine, on the throttle body assembly

Engine Controls Component Views

Engine Controls Connector End Views

Throttle Position (TP) Sensor (VIN K)

Top of the engine, on the throttle body assembly

Engine Controls Component Views

Engine Controls Connector End Views

Underhood Accessory Wiring Junction Block

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

Power and Grounding Component Views in Wiring Systems

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

Engine Controls Connector End Views

Windshield Wiper/Washer Switch

Part of the turn signal switch, inside the left side of the steering column

Wiper/Washer Component Views in Wiper/Washer System

Wiper/Washer Component Views in Wiper/Washer Systems

C101 (20 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C105 (VIN K, 1) (4 cavities)

Engine wiring harness to the engine coolant fan wiring harness, between the left and the right cooling fan

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C110 (8 cavities)

Engine wiring harness to the electronic ignition control module wiring harness, top of the engine, near the ignition control module

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C125 (1 cavity)

Engine wiring harness to the knock sensor module wiring harness, lower front of the engine, left of the bank 2 knock sensor

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (56 cavities)

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

Harness Routing Views in Wiring Systems

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G111

Right side of the engine, on the ignition control module bracket

Harness Routing Views in Wiring Systems

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G113

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

Harness Routing Views in Wiring Systems

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G200

Behind the right side of the IP compartment

Harness Routing Views in Wiring Systems

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G203

Below the IP, right side of the steering column

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

Harness Routing Views in Wiring Systems

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P100

Lower right side of the dash panel

Harness Routing Views in Wiring Systems

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P101

Upper left side of the dash panel

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

Harness Routing 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

Engine wiring harness, top left of the engine approximately 6 cm (2 in) from the inline connector C110 breakout

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S144

Electronic ignition control module wiring harness, top of the engine near the ignition control module, approximately 12 cm (5 in) from the inline connector C110 breakout

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S145

Electronic ignition control module wiring harness, top of the engine, near the ignition control module, approximately 6 cm (2 in) from the inline connector C110 breakout

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S167

Engine wiring harness, inboard of the coolant bottle on the driver side of the 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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S230

IP wiring harness, approximately 18 cm (7 in) from the radio 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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