GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch Coil (VIN K)

Part of the A/C compressor, mounted to the right front of the engine

HVAC Component Views in HVAC Manual (RPO C60/CJ3)

HVAC Connector End Views in HVAC Manual (RPO C60/CJ3)

A/C Compressor Clutch Diode (VIN K)

Spliced into the engine wiring harness, approximately 10 cm (4 in) from the A/C compressor clutch coil connector

HVAC Component Views in HVAC Manual (RPO C60/CJ3)

HVAC Connector End Views in HVAC Manual (RPO C60/CJ3)

A/C Refrigerant Pressure Sensor

Right side of the engine compartment, below the accumulator

HVAC Component Views in HVAC Manual (RPO C60/CJ3)

HVAC Connector End Views in HVAC Manual (RPO C60/CJ3)

Automatic Transmission/Transaxle

Lower left side of the engine compartment

Automatic Transmission Electronic Component Views in Automatic Transaxle - 4T60-E or

Transmission Component Location in Automatic Transaxle - 4T65-E

Automatic Transmission Inline Harness Connector End View in Automatic Transaxle - 4T60-E or

Automatic Transmission Inline Harness Connector End View in Automatic Transaxle - 4T65-E

Bank 1 Knock Sensor (KS) (VIN K)

Front of the engine, above the starter

Engine Controls Component Views

Engine Controls Connector End Views

Bank 2 Knock Sensor (KS) (VIN K)

Lower right rear of the engine, below the exhaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Camshaft Position Sensor (VIN K)

Right side of the engine, above the crankshaft pulley

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position Sensor (VIN K)

Lower rear of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Cruise Control Module

Left side of the engine compartment, near the strut tower

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Data Link Connector (DLC)

On the bottom of the instrument panel, to the right of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Engine Coolant Fan Motor 1 (VIN K)

Behind 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 2 (VIN K)

Behind 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 (VIN K)

Left side of the top of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Level Sensor (VIN K)

Front center of the engine oil pan

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

Engine Oil Pressure Indicator Switch (VIN K)

Front of the engine, above the starter

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

Engine Wiring Harness Junction Block 1

Right side of the engine compartment, forward of the strut tower

Power and Grounding Component Views in Wiring Systems

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Engine Wiring Harness Junction Block 2

Left side of the engine compartment, forward of the strut tower

Power and Grounding Component Views in Wiring Systems

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

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

Engine Controls Component Views

Engine Controls Connector End Views

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

Behind the left rear fascia splash shield in the wheel well

Engine Controls Component Views

Engine Controls Connector End Views

Exhaust Gas Recirculation (EGR) Valve (VIN K)

Upper left side of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injectors (VIN K)

Top of the engine at each of the cylinder intake ports

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 instrument panel, in the right front door opening

Power and Grounding Component Views in Wiring Systems

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Generator

Top of the right side of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Heated Oxygen Sensor 1 (H02S 1) (VIN K)

Rear of the engine, in the exhaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Heated Oxygen Sensor 2 (H02A 2)

In the exhaust system, behind the catalytic converter

Engine Controls Component Views

Engine Controls Connector End Views

Heater-A/C Control

Center of the instrument panel

HVAC Component Views in HVAC Manual (RPO C 60/CJ 3) Systems

HVAC Connector End Views in HVAC Manual (RPO C 60/CJ 3) Systems

Idle Air Control (IAC) Valve (VIN K)

Top of the engine, front of the throttle assembly

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Control (IC) Module (VIN K)

Top right front of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Instrument Cluster

Left side of the instrument panel

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 (VIN K)

Left front of the engine compartment, on the air intake duct

Engine Controls Component Views

Engine Controls Connector End Views

Manifold Air Pressure (MAP) Sensor (VIN K)

Top front of the engine, on the throttle body adapter

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor (VIN K)

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

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM) (VIN K)

Right side of the engine compartment, forward of the strut tower

Engine Controls Component Views

Powertrain Control Module Connector End Views

Radio

Center of the instrument panel

Entertainment Component Views in Entertainment Systems

Entertainment Connector End Views in Entertainment Systems

Stop Lamp Switch

Behind the Instrument Panel, on the brake pedal support

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Theft Deterrent Module

Behind the right side of the instrument panel, above the instrument panel compartment

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

Throttle Position (TP) Sensor (VIN K)

Top of the engine, on the throttle assembly

Engine Controls Component Views

Engine Controls Connector End Views

Transmission/Transaxle Range Switch (VIN K)

Left of the engine, on the transmission/transaxle

Engine Controls Component Views

Engine Controls Connector End Views

Vehicle Speed Sensor (VSS) (VIN K)

Right rear of the engine, on the transmission/transaxle

Engine Controls Component Views

Engine Controls Connector End Views

C100 (36 cavities)

Engine harness to the instrument panel harness, in the right side of the dash, near the strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C110 (8 cavities)

Engine harness to ignition control module harness, on the right top of the engine, above 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 bank 2 knock sensor jumper harness, lower right hand side of the engine

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C126 (3 cavities)

Engine wiring harness to the ECT sensor jumper harness, top center of the engine, on the intake manifold

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C130 (2 cavities)

Engine harness to the right engine fan jumper harness, attached to the right side of the right engine fan assembly

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C156 (3 cavities)

Engine harness to the wiper harness, left side of the engine compartment, near the strut tower

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Inline Harness Connector End Views in Wiring Systems

C200 (102 cavities)

Instrument panel harness to the crossbody harnesses, mounted behind the right hand side of the instrument panel, near the shroud

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C400 (8 cavities)

Crossbody harness to the rear body harness, below the right sill panel of the rear compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C405 (6 cavities)

Crossbody harness to the fuel tank harness, below the center rear of the vehicle above the fuel tank

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G111 (VIN K)

Top right of the engine, below the ignition control module

Harness Routing Views in Wiring Systems

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G113

Lower left front of the engine, on the transmission/transaxle stud, near the starter

Harness Routing Views in Wiring Systems

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G117

Lower left front of the engine, on the transmission/transaxle stud, near the starter

Harness Routing Views in Wiring Systems

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G201

Behind the instrument panel, on the right side of the brake pedal bracket

Harness Routing Views in Wiring Systems

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G204

Below the right side of the instrument panel, to the right of the A/C module, on the 6J1 mounting bracket

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G301

At the base of the left B pillar

Harness Routing Views in Wiring Systems

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P400

Right rear of the rear compartment

Harness Routing Views in Wiring Systems

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P405

Rear underside of the vehicle, above the fuel tank

Harness Routing Views in Wiring Systems

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S102

Engine harness, at the right side of the radiator approximately 17 cm (7 in) from the engine wiring harness junction block 1 breakout

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S105 (VIN K)

Engine harness, approximately 8 cm (3 in) from the cruise control breakout

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S106 (VIN K)

Engine harness, below the left side of the radiator approximately 4 cm (2 in) from the powertrain control module

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S107 (VIN K)

Engine harness, left side of the engine near the throttle body approximately 4 cm (2 in) from the MAF sensor breakout

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S109 (VIN K)

Engine jumper harness, below the power steering pump approximately 4  cm (2 in) from the EGR valve

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S115 (4T60E)

Automatic transmission/transaxle harness, inside the transmission/ transaxle approximately 11 cm (4 in) from the inline connector C111

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S116 (VIN K)

Engine harness, at the right strut tower approximately 4 cm (2 in) from the PCM

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S121 (VIN K)

Engine jumper harness, approximately 7 cm (3 in) from the inline connector C130 (to the right coolant fan) breakout

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S122 (VIN K)

Engine harness, below the left side of the radiator approximately 15 cm (6 in) from the EGR valve

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S142 (VIN K)

Engine harness, at the right strut tower approximately 11 cm (4 in) from the PCM

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

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S156 (VIN K)

Engine harness, at the right side of the radiator approximately 17 cm (6 in) HO2S 1 connector

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S163 (VIN K)

Engine harness, at the right side of the radiator approximately 10 cm (4 in) from the engine wiring harness junction block 1 breakout

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S164 (VIN K)

Engine harness, at the right side of the radiator approximately 10 cm (4 in) from the engine coolant level indicator module

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S165 (VIN K)

Engine harness, at the left side of the radiator approximately 7 cm (3 in) from the cruise control breakout

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S167 (VIN K)

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

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S171

Wiper harness, along the left front frame rail approximately 4 cm (2 in) from the windshield washer pump breakout

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S202

Instrument harness, below the center of the instrument panel approximately 15 cm (6 in) from the inline connector C240 breakout

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S209

Instrument panel harness, behind the right side of the driver knee bolster approximately 5 cm (2 in) from the inline connector C201 breakout

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S211

Instrument panel harness, behind the right side of the instrument cluster approximately 4 cm (2 in) from the radio breakout

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S217

Instrument panel harness, behind the right side of the driver knee bolster approximately 5 cm (2 in) from the inline connector C201 breakout

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S233

Instrument panel harness, below the instrument panel compartment approximately 4 cm (2 in) from the compartment lamp breakout

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S237

Instrument panel harness, below the instrument panel compartment approximately 5 cm (2 in) from the blower motor relay breakout

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S243

Instrument panel harness, below the instrument panel compartment approximately 4 cm (2 in) from the inline connector C100 breakout

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S305

Crossbody harness, on the left side of the rear seat approximately 7 cm (3 in) from the inline connector C371 breakout

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S425

Fuel tank harness, approximately 43 cm (17 in) from the inline connector C405 breakout

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