GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

1-2 Shift Solenoid (1-2 SS) Valve

Inside the automatic transaxle

Automatic Transmission Electronic Component Views in Automatic Transaxle-4T65-E

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2-3 Shift Solenoid (2-3 SS) Valve

Inside the automatic transaxle

Automatic Transmission Electronic Component Views in Automatic Transaxle-4T65-E

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A/C Compressor Clutch Coil

Part of the A/C compressor, right side of engine at the end of the crankshaft, near the crankshaft position sensor (24x)

HVAC Component Views in HVAC Systems-Manual

HVAC Connector End Views in HVAC Systems-Manual

A/C Refrigerant Pressure Sensor

Left side of the engine compartment, below the accumulator, below the air cleaner assembly

HVAC Component Views in HVAC Systems-Manual

HVAC Connector End Views in HVAC Systems-Manual

Air Injection Bleed Valve

Left rear of engine, above valve cover

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Engine Controls Connector End Views

AIR Pump Relay

Forward lamp harness, right side of the engine compartment, rearward of the Horn

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Automatic Transaxle Fluid Temperature (TFT) Sensor

Inside the automatic transaxle

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Shift Lock Control Connector End Views in Automatic Transaxle-4T65E

Bank 1 Knock Sensor (KS)

Front of the engine, above the starter

Engine Controls Component Views

Engine Controls Connector End Views

Body Control Module (BCM)

Below the right side of the IP, right of the IP compartment

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Camshaft Position (CMP) Sensor

Engine compartment, right side of the engine, above the A/C compressor clutch

Engine Controls Component Views

Engine Controls Connector End Views

Cool Fan 1 Relay

Engine compartment, in the underhood accessory wiring junction block

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Cool Fan 2 Relay

Engine compartment, in the underhood accessory wiring junction block

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Cool Fan Relay

Engine compartment, in the underhood accessory wiring junction block

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Crank Relay

Right side of Engine Compartment on the radiator support, inboard of the underhood accessory wiring junction block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Crankshaft Position (CKP) Sensor (7X)

Lower rear of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position (CKP) Sensor (24X)

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

Engine compartment, near the left strut tower

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Cruise Control Release Switch

Mounted to the brake pedal support

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Cruise Control Switch

Part of the turn signal switch, on the turn signal lever

Theft Deterrent System Component Views in Theft Deterrent

Cruise Control Connector End Views in Cruise Control

Data Link Connector (DLC)

Below the steering column, bottom of the knee bolster

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Electronic Brake Control Module (EBCM)

Lower left side of the engine compartment

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Engine Coolant Fan Motor 1 (RH)

Mounted to the rear 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 (LH)

Mounted to the rear right side of the radiator

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

Engine Coolant Level Indicator Module

Mounted to the rear right side of the radiator, below the radiator cap

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

Engine Coolant Temperature (ECT) Sensor

Left side top of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Level Indicator Switch

Center of the engine oil pan

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Pressure Indicator Switch

Front of the engine, above the starter

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve

Top rear of the engine, below the ignition control module

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Vent Solenoid Valve

Below the center of the vehicle, forward of the fuel tank

Engine Controls Component Views

Engine Controls Connector End Views

Exhaust Gas Recirculation (EGR) Valve

Upper left side of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injectors

Top of the engine at each cylinder intake port

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Level Sender

Mounted inside the fuel tank

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Fuel Pump Motor

Mounted inside the fuel tank

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Fuel Pump Relay

Engine compartment, in the underhood accessory wiring junction block

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Fuel Tank

Below the left side, middle of the vehicle

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Fuse Block

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

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Fusible Link A

Bolted to the starter solenoid

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Fusible Link C

Bolted to the starter solenoid

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Fusible Link K

Bolted to the starter solenoid

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Fusible Link Z

Bolted to the starter solenoid

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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)

Rear of the engine, in the exhaust manifold

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

Center of the IP, below the radio

HVAC Component Views in HVAC Systems-Manual

HVAC Connector End Views in HVAC Systems-Manual

Heater-A/C Control (Blower Motor Switch)

Part of the heater-A/C control

HVAC Component Views in HVAC Systems-Manual

HVAC Connector End Views in HVAC Systems-Manual

Idle Air Control (IAC) Valve

Top of the engine, front of the throttle assembly

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Control Module (ICM)

Top center rear of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Switch

Part of the steering column

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Instrument Cluster

Left side of the IP

Engine Controls 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 of engine compartment, on the air intake duct, near the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Manifold Absolute Pressure (MAP) Sensor

Right top of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor

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

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM)

Engine compartment, secured in the air cleaner assembly

Engine Controls Component Views

Engine Controls Connector End Views

Rear Side Door Actuator Motor

Right quarter panel, above the wheelhouse

Power Door Systems Component Views in Doors

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Rear Side Door Actuator Motor (Optical Sensor)

Part of the rear side door actuator motor

Power Door Systems Component Views in Doors

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Relay Center

Right side of IP, mounted to the bracket along with the BCM, near the rear top right side of the IP compartment

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Secondary Air Injection Pump

Mounted in lower portion of the drivers front fender

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Engine Controls Connector End Views

Splice Pack SP205

Below the steering column, bottom of the knee bolster

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Starter Motor

Lower front of the engine

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Starter Solenoid

Lower front of the engine, part of the starter motor assembly

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Stop Lamp Switch

Mounted to the brake pedal support

Cruise Control Component Views in Cruise Control

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 (TCC PWM SOL) Valve

Inside the automatic transaxle

Automatic Transmission Electronic Component Views in Automatic Transaxle-4T65-E

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Transaxle Range Switch

Rear left side of the engine compartment, mounted to the top of the transaxle

Engine Controls Component Views

Automatic Transmission Related Connector End Views in Automatic Transaxle-4T65-E

Underhood Accessory Wiring Junction Block

Engine compartment, front of the right wheelhouse, above the battery

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Speed Sensor (VSS)

Lower right rear of the engine compartment, mounted to the right side of the transaxle

Automatic Transmission Electronic Component Views in Automatic Transaxle-4T65-E

Automatic Transmission Related Connector End Views in Automatic Transaxle-4T65-E

C101 (20 cavities)

IP wiring harness to the engine wiring harness, in the lower left side of the engine compartment, near the EBCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C102 (16 cavities)

Engine wiring harness to the fuel injector wiring harness, top of the engine, near the generator next to C108

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Inline Harness Connector End Views in Wiring Systems

C105 (4 cavities)

Engine wiring harness to the engine coolant fan wiring harness, behind the engine coolant fan 1 (left)

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Inline Harness Connector End Views in Wiring Systems

C111 (14 cavities)

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

Automatic Transmission Electronic Component Views in Automatic Transaxle-4T65-E

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

C200 (56 cavities)

IP wiring harness to the right side of the body wiring harness, behind the right side of the IP compartment, below P100

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (48 cavities)

IP wiring harness to the steering column wiring harness, mounted to the left side of the steering column near the base

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (56 cavities)

IP wiring harness to the left side of the body wiring harness, left side of the steering column, below P101

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (12 cavities)

Body wiring harness to the electronic brake control wiring harness and fuel sender wiring harness, mounted as a pass through, beneath the vehicle behind the driver seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G101

Front of the vehicle, right of the left headlamp, on the front upper crossmember

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G111

Engine compartment, left of the starter, along with the battery ground

Harness Routing Views in Wiring Systems

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G113

Engine compartment, left of the starter, along with the battery ground

Harness Routing Views in Wiring Systems

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G114

Engine compartment, left and above the starter, near the starter solenoid

Harness Routing Views in Wiring Systems

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G117

Engine compartment, left and above the starter, near the starter solenoid

Harness Routing Views in Wiring Systems

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G200

Right side of the IP, secured on the underside of the cross car beam, left of the heater-A/C vent

Harness Routing Views in Wiring Systems

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P100

On the right side of the bulkhead, left of the right strut tower

Harness Routing Views in Wiring Systems

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P101

On the left side of the bulkhead, right of the left strut tower

Harness Routing Views in Wiring Systems

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S105

Engine harness, top right side radiator approximately 20 cm (8 in) from the engine coolant fan 1 (right) motor breakout

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S106

Engine harness, front left side of the engine compartment approximately 10 cm (4 in) from the PCM breakout

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S108

Engine harness, front left side of the engine compartment approximately 8 cm (3 in) from the PCM breakout

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S109

Fuel injector harness, center of the engine approximately 16 cm (6 in) from C102

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S110

Fuel injector harness, center of the engine approximately 14 cm (4 in) from C102

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S167

Engine harness, front left side of the engine approximately 5 cm (2 in) PCM breakout

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S209

IP harness, center of the IP approximately 8 cm (3 in) from the security indicator lamp breakout

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S210

IP harness, center of the IP approximately 4 cm (2 in) from the security indicator lamp breakout

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S211

IP harness, left side of the IP approximately 15 cm (6 in) from the radio and the rear window wiper/washer and multi-function switch breakout

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S238

IP harness, center of the IP approximately 80 cm (31 in) from the cigar lighter connector

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S264

IP harness, right side of the IP approximately 16 cm (6 in) from the relay center breakout

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S329

Fuel sender harness, between C305 and the fuel tank approximately 20 cm (8 in) from C305

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