GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch

Front side of the engine on the A/C compressor

HVAC Component Views in HVAC Systems

HVAC Connector End Views in HVAC Systems

A/C Compressor Diode

In the engine harness, approx. 18 cm (7 in) from the A/C compressor coil harness breakout, towards starter solenoid

HVAC Component Views in HVAC Systems

HVAC Connector End Views in HVAC Systems

A/C Pressure Sensor

Front side of the engine on the A/C line behind A/C compressor

HVAC Component Views in HVAC Systems

HVAC Connector End Views in HVAC Systems

Air Pump Motor (NC8)

Left front of the engine compartment, above the EBCM

Engine Controls Component Views

Engine Controls Connector End Views

Automatic Transaxle

Left of engine

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

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Camsharft Position Sensor

Behind the right side of the water pump pulley

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position Sensor

Left side of the crankshaft pulley

Engine Controls Component Views

Engine Controls Connector End Views

Cruise Control Module

In the engine compartment on the Left strut tower

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Dash Integration Module (DIM)

Behind instrument panel, under the right dash sound insulator

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Electronic Brake Control Module (EBCM)

Front left lower corner of the engine compartment under the air cleaner housing

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Engine Coolant Temperature (ECT) Sensor

Front left side of the engine lower side of intake under thermostat housing

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Pressure Sensor

Right side of the engine under the power steering pump

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Purge Valve

On top of the engine front of the intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Valve Solenoid

On top of the engine front of the intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Level Switch

Front of the engine oil pan

Engine Controls Component Views

Engine Controls Connector End Views

Exhaust Gas Recirculation (EGR) Valve

On top of the engine rear of the intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injector 1

Top front of the engine on fuel rail intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injector 2

Top rear of the engine on fuel rail intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injector 3

Top front of theengine on fuel rail intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injector 4

Top rear of the engine on fuel rail intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injector 5

Top front of theengine on fuel rail intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injector 6

Top rear of the engine on fuel rail intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Pump/Sender

Inside the fuel tank

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Pump Module (L67)

Located in the right rear compartment area, above the CD player

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Tank Pressure Sensor

Located on the top side of fuel tank

Engine Controls Component Views

Engine Controls Connector End Views

Generator

RH side top of engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Heads-Up Display

Upper left center of instrument panel, above the instrument cluster

Instrument Cluster and HUD Component Views in Instrument Panel, Gauges, and Console

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges, and Console

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

Front of the engine compartment on the front exaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

Rear of the engine compartment on the rear exaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Idle Air Control (IAC) Valve

Top right side of the engine on the top of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Control Module

Top left front of the engine assembly

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Switch

Mounten on the dash panel, left of the steering column

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster (IPC)

In the front passenger compartment, center left side of the instrument panel

Instrument Cluster and HUD Component Views in Instrument Panel, Gauges, and Console

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges, and Console

Intake Air Temperature (IAT) Sensor

On top of the air intake hose between the throttle body and air cleaner housing

Engine Controls Component Views

Engine Controls Connector End Views

Knock Sensor (KS) Bank 1

Front of the engine above the starter on the engine block

Engine Controls Component Views

Engine Controls Connector End Views

Knock Sensor (KS) Bank 2

Rear of the engine on the engine block

Engine Controls Component Views

Engine Controls Connector End Views

Manifold Absolute Pressure (MAP) Sensor

On top of the engine, rear of the intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow (MAF) Sensor

Top of the engine right side of the engine top of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM)

Front left side of the engine compartment under the air cleaner box

Engine Controls Component Views i

Powertrain Control Module Connector End Views

Rear Fuse Block

Under the right side of the rear passenger compartment seat

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Secondary Air Injection Bypass Valve Solenoid (w/NB7)

Located on the top of the air pump

Engine Controls Component Views

Engine Controls Connector End Views

Secondary Air Injection Pump Motor (w/NB7)

Front right coner of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Stoplamp/BTSI Switch

Left lower front corner of the passenger compartment on the bracket above the brake pedal

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Supercharged Bypass Valve Solenoid

Front top side of the engine, left of the thermistat housing

Engine Controls Component Views

Engine Controls Connector End Views

Theft Deterent Module

Located on the lower backside of the dash panel

Theft Deterrent System Component Views in Theft Deterent

Theft Deterrent System Connector End Views in Theft Deterent

Throttle Position (TP) Sensor

Top of the engine, right side of the engine, front of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Underhood Fuse Block

Front left side of the engine comartment

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Speed Sensor (VSS)

On top of the right side transmission output housing

Engine Controls Component Views

Engine Controls Connector End Views

C100

Left top of the transmission

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101

In the engine compartment near the left strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C103

Top front of the engine above the fuel rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C111

Backside of the engine, below the right bank exhaust manifold

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

Left lower front corner of the passenger compartment on the underside of the instrument panel (body harness to the instrument panel round harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201

Right lower front corner of the passenger compartment on the underside of the instrument panel (body harness to instrument panel round harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C215

Center front of the passenger compartment on the center of the instrument panel (body harness to the instrument panel flex harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C216

Left upper front corner of the passenger compartment on the left side of the instrument panel (body harness to the instrument panel flex harness)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C420

In the right rear wheel well on the frame rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G100

Left side of the engine on top of the transmission

Power and Grounding Component Views in Wiring Systems

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G102

Lower front of the engine, right of the starter motor

Power and Grounding Component Views in Wiring Systems

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G105

Rear of the engine behind the power steering pump

Power and Grounding Component Views in Wiring Systems

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G200

Left front lower corner of the passenger compartment on the left front door pillar

Power and Grounding Component Views in Wiring Systems

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G302

Behind the left rear C-pillar interior trim panel

Power and Grounding Component Views in Wiring Systems

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G401

On the lower right corner of the trunk forward of the tail lamp

Power and Grounding Component Views in Wiring Systems

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P100

Left lower front corner of the passenger compartment on the bulk head

Harness Routing Views in Wiring Systems

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P102

Right lower front corner of the passenger compartment on the bulk head

Harness Routing Views in Wiring Systems

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P401

Behind the left rear tailight assembly

Harness Routing Views in Wiring Systems

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S105

In engine harness 9.5 cm (3.7 in) from the PCM C1 connector

Harness Routing Views in Wiring Systems

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S106

In engine harness 6.5 CM (2.5 in) from the idle air control (IAC) valve connector breakout

Harness Routing Views in Wiring Systems

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S107

In engine harness 23CM (9.0 in) from the A/C clutch connector breakout

Harness Routing Views in Wiring Systems

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S108

In engine harness 18 CM (7.0 in) from the A/C clutch connector breakout

Harness Routing Views in Wiring Systems

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S135

Ignition Module Harness Jumper, approx. 5.5 cm (2 in) from C103 breakout, towards the Ignition Control Module

Harness Routing Views in Wiring Systems

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S136

Ignition Module Harness Jumper, approx. 12 cm (4.5 in) from C103 breakout, towards the Ignition Control Module

Harness Routing Views in Wiring Systems

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S206

In the instument panel harness 13 cm (5.0 in) from the C216 breakout

Harness Routing Views in Wiring Systems

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S208

Instrument panel harness, approx. 6.5 cm (2.5 in) from the center console harness breakout, towards the instrument panel module

Harness Routing Views in Wiring Systems

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S212

In the body harness 56 cm (22 in) rear of the DIM breakout

Harness Routing Views in Wiring Systems

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S215

In the body harness left side of the vehicle 19.5 cm (7.6 in) from P100

Harness Routing Views in Wiring Systems

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