GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

1-2 Shift Solenoid Valve

Inside the automatic transaxle

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2-3 Shift Solenoid Valve

Inside the automatic transaxle

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A/C Compressor Clutch Coil

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

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

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

A/C Refrigerant Pressure Sensor

Right side of the engine compartment, on the accumulator

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

Engine Controls Connector End Views

Air Solenoid Valve

On the bracket, bolted to the upper front engine mount

Engine Controls Component Views

Engine Controls Connector End Views

Automatic Transaxle

Left side of the engine

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Automatic Transaxle Fluid Pressure Manual Valve Position Switch

Inside the automatic transaxle

Transmission Component Location in Automatic Transaxle - 4T65-E

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

Automatic Transaxle Fluid Temperature (TFT) Sensor

Inside the automatic transaxle

Transmission Component Location in Automatic Transaxle - 4T65-E

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

Automatic Transaxle Input Speed Sensor

Inside the automatic transaxle

Transmission Component Location in Automatic Transaxle - 4T65-E

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

Auxiliary Underhood Accessory Wiring Junction Block

Right side of engine compartment, mounted on the strut tower

Power and Grounding Component Views in Wiring Systems

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Camshaft Position (CMP) Sensor

Right top rear corner of the engine, on the cam carrier

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position (CKP) Sensor

Center front of the engine, near the base of the engine oil lever indicator

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 Communication

Data Link Communications Connector End Views in Data Link Communication

Electronic Brake Traction Control Module (EBTCM)

Left side of the engine compartment, part of the brake pressure modulator valve (BPMV), mounted to the left strut tower

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Engine Coolant Fan Motor #1 (Right)

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 Fan Motor #2 (Left)

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 Temperature (ECT) Sensor

Left end of the rear cylinder head

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Level Indicator Switch

In the center bottom of the engine oil 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

On the rear of the intake manifold, near the throttle body

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

Harness Routing Views in Wiring Systems

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

Front Bank Ignition Control (IC) Module

On top of the front engine valve cover

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 Tank

Below the rear of the vehicle

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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

Power and Grounding Connector End Views in Wiring Systems

Generator

Front right side of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Heated Oxygen Sensor (HO2S) Sensor #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 (HO2S) Sensor #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 IP

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

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

Idle Air Control (IAC) Valve

Left top of the engine, on the throttle body assembly

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 housing

Engine Controls Component Views

Engine Controls Connector End Views

Knock Sensor

In the engine block, below the bank 1 cylinder head, next to the engine oil pressure switch

Engine Controls Component Views

Engine Controls Connector End Views

Manifold Absolute Pressure (MAP) Sensor

Left top of the engine, near the throttle body assembly

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor

Left front of the engine, near the air cleaner housing

Engine Controls Component Views

Engine Controls Connector End Views

Park/Neutral Position (PNP) Switch

Left of the transaxle, below the throttle body

Steering Assist Component Views in Variable Effort Steering

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

Power Steering Cut-Out Switch

Right lower rear of the engine, on the high pressure power steering line

Engine Controls Component Views

Engine Controls Connector End Views

Pressure Control Solenoid Valve

Inside the automatic transaxle

Transmission Component Location In Automatic Transaxle - 4T65-E

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

Rear Bank Ignition Control (IC) Module

On top of the rear engine valve cover

Engine Controls Component Views

Engine Controls Connector End Views

Secondary Air Injection (AIR) Pump

Near the left headlamp assembly

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Engine Controls Connector End Views

Secondary Air Injection (AIR) Pump Valve Solenoid

Underneath the fuel injector cover

Engine Controls Component Views

Engine Controls Connector End Views

Splice Pack SP205

Below the IP, taped in the harness, on the right side of the steering column

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Data Link Communications Connector End Views in Wiring Systems

Starter

Lower front of the engine

Engine Electrical Component Views in Engine Electrical

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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

Throttle Position (TP) Sensor

Top of the engine, on the throttle assembly

Engine Controls Component Views

Engine Controls Connector End Views

Torque Converter Clutch Pulse Width Modulation Solenoid Valve

Inside the automatic transaxle

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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 right side of transaxle

Engine Controls Component Views

Engine Controls Connector End Views

C101

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

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Inline Harness Connector End Views in Wiring Systems

C105

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C113

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

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Inline Harness Connector End Views in Wiring Systems

C125

Engine wiring harness to knock sensor/ECT wiring harness, on the rear bank of the engine block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C183

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

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Inline Harness Connector End Views in Wiring Systems

C200

IP wiring harness to 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

Body wiring harness to fuel tank 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

G102

Right side of the front end upper tie bar

Harness Routing Views in Wiring Systems

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G113

Lower left front of the engine, on the transaxle stud

Harness Routing Views in Wiring Systems

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G117

Lower left front of the engine, on the transaxle stud, near the transaxle cooler lines

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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G302

Inside the right door sill, forward of the right front seat

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, above the center of the radiator, approximately 10 cm (4 in) from C105 (engine coolant fan wiring harness)

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S106

Engine wiring harness, near the air cleaner, approximately 43 cm (17 in) from the PCM

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S107

Engine wiring harness, near the power steering pump, approximately 6 cm (2.5 in) from the fuel injector #1 breakout

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S108

Engine wiring harness, near the power steering pump, between fuel injector #1 and fuel injector #2 breakouts, approximately 4 cm (1.6 in) from the fuel injector #2 breakout

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S109

Engine wiring harness, top left side of the engine, approximately 7 cm (3 in) from the fuel injector #5 breakout

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S122

Engine wiring harness, near the air cleaner, approximately 16 cm (6.3 in) from the PCM breakout

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S147

Engine wiring harness, between the PCM and engine coolant fans breakouts, approximately 20 cm (8 in) from the PCM breakout

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S167

Engine wiring harness, near the air cleaner, approximately 20 cm (8 in) from the PCM breakout

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S168

Engine wiring harness, between the PCM and engine coolant fans breakouts, approximately 10 cm (4 in) from the PCM breakout

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S169

Engine wiring harness, near the power steering pump, approximately 6 cm (2.3 in) from fuel injector #2 breakout

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S171

Engine wiring harness, near the power steering pump, between fuel injector #1 and fuel injector #2 breakouts, approximately 13 cm (5 in) from the fuel injector #1 breakout

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S211

IP wiring harness, behind the instrument cluster, approximately 8 cm (3 in) from the instrument cluster breakout

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S230

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

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S233

IP wiring harness, lower IP below the radio, approximately 2 cm (1 in) from the radio antenna breakout

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S234

IP wiring harness, left side of the IP, between the hazard warning switch breakout and the data link breakout, approximately 8 cm (3 in) left of the data link connector (DLC) breakout

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S270

IP wiring harness, left side of the IP, between the hazard warning switch breakout and the data link connector (DLC) breakout, approximately 7 cm (3 in) from the DLC breakout

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S281

IP wiring harness, behind the left side of the IP, approximately 8 cm (3 in) from P101

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S409

Body wiring harness, in the rear compartment toward front, approximately 28 cm (11 in) from C405 (fuel tank connector)

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