GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Group No.

A/C Compressor Clutch

Lower RH front of engine compartment

8A-201-7 Fig 16

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A/C Compressor Clutch Diode

Lower RH front of engine compartment, near A/C Compressor conn

8A-201-7 Fig 16

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A/C High Temperature Sensor

RH front of engine compartment, attached to A/C line near Accumulator

8-Engine controls

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A/C High Pressure Cut-out Switch

Lower RH of Engine, on A/C Compressor

8-Engine Controls

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A/C Low Pressure Switch

Lower RH front of Engine, attached to A/C line near Accumulator

8-Engine Controls

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A/C Low Temperature Sensor

RH front of engine compartment, near Evaporator

8-Engine Controls

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Knock Sensor

LH Center of Engine, UNDER the Intake Manifold

8-Engine Controls

8-Engine controls

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Body Control Module (BCM)

Behind LH of I/P, near rear of I/P compartmentf

8A-201-25 Fig 47

8A-202-51

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Brake Switch

Behind LH side of I/P, on brake pedal support

8A-201-28 Fig 52

8A-202-35

4.634

Camshaft Position Sensor

RH rear of Engine

8-Engine Controls

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Crankshaft Position Sensor A

Lower center front of engine, near Engine Oil Pressure Sensor

8-Engine Controls

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Crankshaft Position Sensor B

Lower center front of engine, near Engine Oil Pressure Sensor

8-Engine Controls

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Cruise Control Module

LH rear of engine compartment, near Brake Master Cylinder

8A-201-7 Fig 15

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Data Link Connector (DLC)

Under LH side of I/P

8A-201-25 Fig 26

8A-202-36

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Driver Select Shift Switch

Passenger compartment, on Center Console

  

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Electronic Brake and Traction Control (EBTCM) Module

LH rear of engine compartment, attached to LH Strut Tower

8A-201-6 Fig 13

8A-202-32

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Engine Compartment Power Distribution Center MaxiFuse™Block

RH front of engine compartment, on frame rail

8A-201-3 Fig 8

8A-19-0

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Engine Compartment Power Distribution Center Relay Block #1

RH front of engine compartment, on frame rail

8A-201-3 Fig 8

8A-19-0

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Engine Compartment Power Distribution Center Relay Block #2

RH front of engine compartment, on frame rail

8A-201-3 Fig 8

8A-19-0

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Engine Coolant Temperature Sensor

Rear LH side of engine, below Exhaust Gas Recirculation (EGR) Valve

8-Engine Controls

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Engine Coolant Level Sensor

LH front of engine compartment, in bottom of Coolant Surge Tank

8-Engine Controls

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Engine Oil Level Switch

Front center of Engine Oil Pan, near A/C Compressor

8-Engine Controls

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Evaporative Emissions (EVAP) Control Solenoid

Top LH rear corner of Engine, near Exhaust Gas Recirculation (EGR) Valve

8-Engine Controls

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Evaporative Emissions (EVAP) Vacuum Purge Switch

Top RH rear corner of Engine, on Cam Cover

8-Engine Controls

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Exhaust Gas Recirculation (EGR) Valve

Top LH rear of Engine, rear of Throttle Body

8-Engine Controls

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Front Heated Oxygen Sensor (HO2S)

Center front of Engine, on Exhaust Manifold

8-Engine Controls

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Fuel Injectors

Top of Engine, below Fuel Rail

8-Engine Controls

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Fuel Level Sender

In Fuel Tank

8A-201-21 Fig 39

8A-202-39

 

HVAC Programmer

Behind RH side of I/P, right of I/P Compartment

8A-201-30 Fig 56

8A-202-43

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I/P Fuse Block

LH front of passenger compartment, on end of I/P

8A-201-22 Fig 42

8A-11-0

2.483

Idle Air Control (IAC) Valve

LH top of Engine, attached to Throttle Body

8-Engine Controls

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Ignition Control Module (ICM)

Rear top of Engine, below Ignition Coils

8-Engine Controls

8-Engine Controls

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Intake Air Temperature (IAT) Sensor

LH side of engine compartment attached to the Air Cleaner Assembly

8-Engine Controls

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LH Rear Power Distribution Center Relay Block #3

Under LH side of rear seat, near LH seat retainer

8A-201-38 Fig 71

8A-10-0

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Low speed Cooling Fan Relay

Center rear of engine compartment, left of Windshield Wiper Motor

8A-201-7 Fig 15

8A-19-0

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Magna Steer™ Module

Behind RH of I/P, RH of heater blower motor case

8A-201-30 Fig 56

8A-202-50

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Manifold Absolute Pressure (MAP) Sensor

Top LH front of Engine, under intake COVER

8-Engine Controls

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Mass Air Flow (MAF) Sensor

LH top of Engine, attached to Throttle Body

8-Engine Controls

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Park/Neutral Position (PNP) Switch

LH of Transaxle, near base of rear Engine Lift Hook

8-Engine Controls

8A-202-57

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Pass Key ™II Decoder Module

Behind RH of I/P, on left kick panel

8A-201-30 Fig 57

8A-202-64

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Post-Heated Oxygen Sensor (HO2S)

Under center of passenger compartment, rearward of Catalytic Convertor

8-Engine Controls

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Pre-Heated Oxygen Sensor (HO2S)

Under center of passenger compartment, forward of Catalytic Convertor

8-Engine Controls

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Power Steering Pressure (PSP) Switch

Rear of Engine Compartment, near Streering rack Assembly

8-Engine Controls

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Powertrain Control Module (PCM)

Behind lower RH of I/P, near back of I/P Compartment

8A-201-31 Fig 58

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3.670

Primary Cooling Fan Diode

RH front of engine compartment, below Secondary Cooling Fan

8A-201-0 Fig 1

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Primary Cooling Fan Motor

LH front of engine compartment, rearward of raidator

8A-201-0 Fig 1

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Rear Heated Oxygen Sensor (HO2S)

Center rear of Engine, in Exhaust Manifold

8-Engine Controls

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RH Rear Power Distrubition Center MaxiFuse™ Block #2

Under LH of rear seat, near Battery

8A-201-37 Fig 71

8A-10-0

2.483

RH Rear Power Distribution Center Fuse Block #1

Under LH of rear seat, LH near battery

8A-201-37 Fig 71

8A-11-0

2.483

Secondary Cooling Fan Motor

RH front of engine compartment, rearward of Radiator

8A-201-0 Fig 1

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Throttle Position (TP) Sensor

Top LH of Engine, on front of Throttle Body

8-Engine Controls

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Vehicle Speed Sensor (VSS)

RH of Transaxle, below Power Steering Reservoir

8-Engine Controls

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3.682

C100

LH front of Engine, below Thermostat housing

8A-201-16 Fig 29

8A-202-0

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C101

LH rear of engine compartment, right of Brake Master Cylinder

8A-201-7 Fig 15

8A-202-1

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C102

Center rear of engine compartment, near Windshield Wiper Motor

8A-201-7 Fig 15

--8A-202-5

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C106

RH front of Engine, near Thermostat Housing

   

C107

RH front of engine, left of Ignition Control Module

8A-201-12 Fig 22

8A-202-6

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C111

RH rear of Engine, below Power Steering Reservoir

8A-201-10 Fig 20

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C129

(Inline to Transaxle harness) LH front of Engine

201-13-26

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C202

Below LH side of I/P, near base of Steering Column

8A-01-26 Fig 47

8A-202-11

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G100

RH front of Engine, under Ignition Control Module

8A-201-12 Fig 22

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G101

Lower RH rear of Engine, below Power Steering Reservoir

201-18-33

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G103

RH side of engine compartment, near Strut Tower

8a-201-2 Fig 5

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G201

RH front of passenger compartment, under kick panel trim

8A-201-31 Fig 59

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G202

LH front of passenger compartment, under kick panel trim

8A-201-22 Fig 42

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G302

LH rear of passenger compartment, under rear seat

8A-201-38 Fig 72

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P100

LH rear of engine compartment, near bottom of Strut Tower

8A-201-6 Fig 14

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P107

RH rear of engine compartment, near bottom of Strut Tower

8A-201-2 Fig 5

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S100

Engine Harn, approx 6 cm from Washer Pump

8A-201-2 Fig 5

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S104

Engine Harn, approx 25 cm from Engine Compartment Power Distribution Center

8A-201-2 Fig 5

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S105

Engine Harn, approx 20 cm from A/C Compressor Clutch

8A-201-19 Fig 36

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S106

Engine Harn, approx 13 cm from C101

8A-201-16 Fig 30

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S108

Engine Harn, approx 20 cm from A/C Compressor Clutch

8A-201-19 Fig 36

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S114

Engine Harn, approx 10 cm from C106

8A-201-16 Fig 30

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S115

Body Harn, approx 12 cm from Washer Pump Motor

8A-201-2 Fig 5

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S118

Body Harn, approx 15.5 cm from P107

8A-201-2 Fig 5

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S123

Body Harn, approx 10 cm into C102 brakeout

   

S126

Engine Harn, approx 6 cm from C101

8A-201-15 Fig 27

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S127

Body Harn, approx 7.5 cm into C102 brakeout

   

S129

Engine Harn, approx 12 cm from C101

8A-201-14 Fig 26

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S130

Body Harn, approx 38.5 cm from C103

8A-201-2 Fig 5

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S135

Ignition Control Module Harn, approx 26.5 cm from Ignition Control Module

8A-201-11 Fig 21

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S136

Ignition Control Module Harn, approx 20 cm from Ignition Control Module

8A-201-11 Fig 21

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S141

Body Harn, approx 5.5 cm from LH Engine Cooling Fan

8A-201-0 Fig 1

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S143

Engine Harn, approx 5.5 cm from RH Engine Cooling Fan

8A-201-0 Fig 1

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S150

Fuel Rail Harn, approx 26.5 cm from C106

 

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S151

Fuel Rail Harn, approx 20 cm from C106

 

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S152

Engine Harn, approx 6.5 cm from C101 breakout

 

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S153

Engine Harn, approx 8 cm from C101 breakout

 

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S154

Engine Harn, approx 8 cm from Idle Air Control Valve

8A-201-14 Fig 26

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S155

Engine Harn, approx 6 cm from Idle Air Control Valve

8A-201-14 Fig 26

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S160

Engine Harn, approx 8 cm from Fuel Injector #5

8A-201-13 Fig 23

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S204

I/P Harn, approx 6.5 cm from C200 breakout

   

S209

Body Harn, approx 13 cm from Turn Signal Flasher

8A-201-29 Fig 54

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S211

Body Harn, approx 15 cm from Turn Signal Flasher

8A-201-29 Fig 54

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S214

Body Harn, approx 16.5 cm from Turn Signal Flasher

8A-201-29 Fig 54

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S225

Body Harn, approx 8 cm from G201

8A-201-31 Fig 59

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S241

Body Harn, approx 38 cm from PCM conn

8A-201-29 Fig 54

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S248

Body Harn, approx 43.5 cm from PCM conn

8A-201-29 Fig 54

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S259

Body Harn, approx 102.5 cm from PCM conn

8A-201-29 Fig 54

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S261

Body Harn, approx 19.5 cm from PCM conn

8A-201-29 Fig 54

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S290

Body Harn, approx 29 cm from P500

8A-201-22 Fig 42

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S295

Body Harn, approx 3 cm from PCM conn

8A-201-31 Fig 59

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S297

Body Harn, approx 34 cm from PCM conn

8A-201-29 Fig 54

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S298

Body Harn, approx 38.5 cm from P500

8A-201-22 Fig 42

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S316

Console Harn, approx 22 cm fron C203

 

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S317

Console Harn, approx 22 cm fron C203

 

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S344

Body Harn, approx 1.5 cm from P402

8A-201-38 Fig 72

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S427

Body Harn, approx 13 cm from C303

8A-201-42 Fig 81

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