GM Service Manual Online
For 1990-2009 cars only

Name

Purgee

Location

Locator View

Connector End View

ABS/TCC Switch

Under the left hand of the instrument panel, near the brake pedal

Engine Controls Component Views

Engine Controls Connector End Views

A/C Clutch

Right hand lower front of the engine, on the A/C compressor

Engine Controls Component Views

Engine Controls Connector End Views

A/C Clutch Diode

Right hand front of the engine, near the A/C compressor in the harness

Engine Controls Component Views

Engine Controls Connector End Views

A/C Pressure Sensor

Right hand front of the engine compartment, on the A/C compressor hose assembly

Engine Controls Component Views

Engine Controls Connector End Views

Body Control Module (MALL)

Under the right hand of the instrument panel, near the rear of the instrument panel compartment

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Controls Systems

Camshaft Position (CMP) Sensor

Right hand of the engine, below the water pump

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position (CKP) Sensor

Lower right hand of the engine, behind the crank pulley

Engine Controls Component Views

Engine Controls Connector End Views

Cruise Control Module

Center rear of the engine compartment, left of the windshield wiper motor

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Data Link Connector (DLC)

Under the left hand of the instrument panel, left 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 and Traction Control (EBCM/EBTCM) Module

Left hand rear of the engine compartment, attached to the left hand strut tower

Antilock Brake System Component Views in Antilock Brake Systems

Antilock Brake System Connector End Views in Antilock Brake Systems

Engine Cooling Fan Relay 1

Center rear of the engine compartment, left of the windshield wiper motor

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

Engine Cooling Fan Diode

In the body harness, between splices S141 and S143 near the RH cooling fan motor

Cooling System Component Views in Engine Cooling

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Engine Compartment Fuse Block

Right hand front of the engine compartment, near the A/C accumulator

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Engine Coolant Temperature (ECT) Sensor

Left hand front of the engine, near the thermostat housing

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Level Switch

Center front of the engine, in 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

Evaporative Emissions (EVAP) Canister Purge Valve

Top right hand rear of the engine, above the valve cover

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Vent Valve

Below the rear of the vehicle, inside evaporative emission canister

Engine Controls Component Views

Engine Controls Connector End Views

Exhaust Gas Recirculation (EGR) Valve

Left hand rear of the engine, near the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injectors

Top of engine, below fuel rail

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Sender

Under the center rear of the vehicle, in the fuel tank

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Tank Pressure Sensor

Under the center rear of the vehicle, in the fuel tank

Engine Controls Component Views

Engine Controls Connector End Views

Generator

Right hand of the engine, near the power steering pump

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Heated Oxygen Sensor (HO2S) Bank 1Sensor 1

Center rear of the engine compartment, on the right hand exhaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

Under the center of the vehicle, near the rear of the catalytic converter

Engine Controls Component Views

Engine Controls Connector End Views

Heater and A/C Programmer

Under the instrument panel, near the rear of the instrument panel compartment

HVAC Component Views in HVAC Systems with A/C - Automatic

HVAC Connector End Views in HVAC Systems with A/C - Automatic

Idle Air Control (IAC) Valve

Left hand of the engine, in the top of throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Control Module

Right hand top of the engine, under the ignition coils

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Switch

Left hand front of the passenger compartment, in the left hand top of the steering column

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Instrument Cluster

Left hand of the instrument panel, 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 hand front of the engine compartment, in the air intake duct

Engine Controls Component Views

Engine Controls Connector End Views

IP Fuse Block

Left hand front of the passenger compartment, attached to the door hinge pillar

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Knock Sensor Bank 1

Lower rear of the engine, left of the oil filter

Engine Controls Component Views

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Knock Sensor Bank 2

Lower front of the engine, left of the starter motor

Engine Controls Component Views

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LH Engine Cooling Fan Motor

Center front of the engine compartment, behind the radiator

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

LH Rear Fuse Block

Left hand rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Manifold Absolute Pressure (MAP) Sensor

Left hand rear of the engine, near the exhaust gas recirculation valve

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor

Left hand center of the engine, on the top of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Park/Neutral Position (PNP) Switch

Left hand of the transaxle, below the exhaust gas recirculation valve

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM)

Under the right hand side of the instrument panel, near the rear of the instrument panel compartment

Engine Controls Component Views

Powertrain Control Module Connector End Views

RH Engine Cooling Fan Motor

Center front of the engine compartment, behind the radiator

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

RH Rear Fuse Block

Right hand rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Supercharger Bypass Valve

Left hand front of the engine, near the oil filter

Engine Controls Component Views

Engine Controls Connector End Views

Theft Deterent Module

Under the right hand of the instrument panel, near the rear of the instrument panel compartment

Theft Deterrent System Component Views in Theft Deterent

Theft Deterrent System Connector End Views in Theft Deterent

Throttle Position (TP) Sensor

Center left hand of the engine, on the front of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Vehicle Speed Sensor (VSS)

Right hand rear of the transaxle, below the power steering pump

Engine Controls Component Views

Engine Controls Connector End Views

C100 (20 cavities)

Body harness to the transmission harness, left hand front of the engine

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101 (78 cavities)

Body harness to the engine harness, center rear of the engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C102 (30 cavities)

Body harness to the body harness, center rear of the engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C107 (8 cavities)

Engine harness to the ignition harness, right hand front of the engine near the ignition coils

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C111 (1 cavity)

Engine harness to the knock sensor harness, right hand rear of the engine below the power steering pump

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202 (48 cavities)

Body harness to the steering column harness, under the left hand of the instrument panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C420 (7 cavities)

Left hand rear of passenger compartment, under left hand of rear seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G100

Right hand front of engine, under the ignition control module bracket

Power and Grounding Component Views in Wiring Systems

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G101

Right hand side of the engine compartment, on the engine, near the oil pressure switch

Power and Grounding Component Views in Wiring Systems

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G103

Right hand of the engine compartment, on the lower rail near the upper engine mount

Power and Grounding Component Views in Wiring Systems

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G201

Right hand front of the passenger compartment, under the kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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G202

Left hand front of the passenger compartment, under the kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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G302

Left hand rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

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P100

Left hand rear of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

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P107

Right hand rear of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

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P402

Left hand rear of the vehicle, near the tail lamp assembly

Harness Routing Views in Wiring Systems

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P408

Right hand rear of vehicle, near tail lamp assembly

Harness Routing Views in Wiring Systems

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S100

In the engine harness, approx 26 cm (10.2 in) from the C105 connector

Harness Routing Views in Wiring Systems

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S104

In the engine harness, approx 15.5 cm (6.1in) from the engine coolant level switch

Harness Routing Views in Wiring Systems

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S105

In the engine harness, approx 18.5 cm (7.2 in) from the A/C compressor clutch

Harness Routing Views in Wiring Systems

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S106

In the engine harness, approx 18 cm (7.0 in) from fuel injector 4

Harness Routing Views in Wiring Systems

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S108

In the engine harness, approx 23.5 cm (9.2 in) from the A/C compressor clutch

Harness Routing Views in Wiring Systems

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S113

In the transmission harness, approx 45 cm (17.7) from the P115 pass - through

Harness Routing Views in Wiring Systems

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S115

In the body harness, approx 32 cm (12.6 in) from the C105 connector

Harness Routing Views in Wiring Systems

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S116

In the body harness, approx 13.5 cm (5.3 in) from the P107 pass-through

Harness Routing Views in Wiring Systems

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S129

In the engine harness, approx 19 cm (7.4 in) from fuel injector 6

Harness Routing Views in Wiring Systems

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S130

In the body harness, approx 38 cm (14.9 in) from the P107 pass-through

Harness Routing Views in Wiring Systems

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S131

In the engine harness, approx 34 cm (13.3 in) from the C101 connector

Harness Routing Views in Wiring Systems

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S135

In the ignition control module harness, approx 26.5 cm (10.4 in) from the ignition control module

Harness Routing Views in Wiring Systems

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S136

In the ignition control module harness, approx 20 cm (7.8 in) from the ignition control module

Harness Routing Views in Wiring Systems

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S141

In the body harness, approx 34 cm (13.3 in) from the RH engine cooling fan

Harness Routing Views in Wiring Systems

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S143

In the Body harness, approx 30.5 cm (12.0 in) from the RH engine cooling fan

Harness Routing Views in Wiring Systems

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S154

In the engine harness, approx 23 cm (9.0 in) from the idle air control valve

Harness Routing Views in Wiring Systems

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S155

In the engine harness, approx 19 cm (7.4 in) from fuel injector 4

Harness Routing Views in Wiring Systems

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S160

In the engine harness, approx 25.5 cm (10.0 in) from fuel injector 5

Harness Routing Views in Wiring Systems

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S209

In the body harness, approx 37.5 cm (14.7 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

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S211

In the body harness, approx 35.5 cm (14.0 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

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S214

In the body harness, approx 39 cm (15.3 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

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S225

In the body harness, approx 24.5 cm (10.0 in) from the G201 ground

Harness Routing Views in Wiring Systems

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S245

In the body harness, approx 38 cm (14.9 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S248

In the body harness, approx 43.5 cm (17.1 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S258

In the body harness, approx 32 cm (13.8 in) from the park brake switch

Harness Routing Views in Wiring Systems

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S259

In the body harness, approx 160.5 cm (63.2 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S261

In the body harness, approx 61.5 cm (24.2 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S282

In the body harness, approx 23.5 cm (8.6 in) from the P107 pass-through

Harness Routing Views in Wiring Systems

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S290

In the body harness, approx 73 cm (28.7 in) from the P100 pass-through

Harness Routing Views in Wiring Systems

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S291

In the body harness, approx 21 cm (8.2 in) from the P107 pass-through

Harness Routing Views in Wiring Systems

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S295

In the body harness, approx 87 cm (34.2 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S297

In the body harness, approx 76 cm (29.9 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S298

In the body harness, approx 82.5 cm (32.4 in) from the P100 pass-through

Harness Routing Views in Wiring Systems

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S334

In the body harness, approx 30 cm (11.8 in) from the G302 ground

Harness Routing Views in Wiring Systems

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S365

In the body harness, approx 126 cm (51.9 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

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S410

In the body harness, approx 33 cm (14.5 in) from the G401 ground

Harness Routing Views in Wiring Systems

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S427

In the body harness, approx 100 cm (39.5 in) from P800

Harness Routing Views in Wiring Systems

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S451

In the body harness, approx 150 cm (60.9 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

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