GM Service Manual Online
For 1990-2009 cars only

Name

Location

A/C Amplifier

Behind RH I/P on Evaporator

Camshaft Position Sensor

Inside the distributor, at the rear of the engine

Clutch Pedal Position (CPP) Switch (Manual Transmission)

Behind LH I/P, above Powertrain Control Module (PCM)

Crankshaft Position Sensor

Lower front of the Engine, front of the Oil Pan

Data Link Connector (DLC)

LH I/P, Left of Center Console on Knee Bolster

Distributor

Top rear of Engine

Duty Check Data Link Connector (DLC) 1

RH Engine Compartment, behind RH Headlamp

Evaporative (EVAP) Canister Purge Valve

RH front Engine, on Intake Manifold

Evaporative (EVAP) Canister Vent Control Valve

RH Engine Compartment, near Fuse Block1

Evaporative (EVAP) Tank Pressure Control Solenoid Vacuum Valve

RH Engine Compartment, near Fuse Block 1

Exhaust Gas Recirculation (EGR) Bypass Valve

RH front engine, on intake manifold

Exhaust Gas Recirculation (EGR) Solenoid Vacuum Valve

RH front Engine, on Intake Manifold

Fuel Injector #1

Top RH side of Engine

Fuel Injector #2

Top RH side of Engine

Fuel Injector #3

Top RH side of Engine

Fuel Injector #4

Top RH side of Engine

Fuel Level Sensor

In Fuel Tank

Fuel Pump

In Fuel Tank

Fuel Pump Relay

Center I/P, behind Blower Speed Selector Switch

Fuel Tank Pressure Sensor

On top of fuel tank

Fuse Block 1

LH engine compartment mounted on the LH inner fender behind the relay box

Fuse Block 1 - C1 (3 Cavities)

Main Harness to Fuse Block 1, below Fuse Block 1

Fuse Block 2

Under LH I/P

Generator

RH Lower front of Engine

Heated Oxygen Sensor 1 (HO2S1)

LH rear of Engine, in Exhaust Manifold

Heated Oxygen Sensor 2 (HO2S2)

Below Vehicle after Three-Way Catalytic Converter (TWC)

Idle Air Control (IAC) Valve

RH Engine, below Throttle Body

Ignition Control Module

Inside the distributor, rear of the engine

Ignition Coil

Inside the distributor, rear of the engine

Ignition Switch

On Steering Column

Intake Air Temperature (IAT) Sensor

LH front of the engine, in the air cleaner housing

Instrument Panel Cluster Assembly

LH I/P

Junction Connector 2 (20 Cavities)

IP harness, LH side of the IP, behind the illumination controller center IP, behind the blower speed selector switch

Manifold Absolute Pressure (MAP) Sensor

Rear Engine Compartment, on Bulkhead

Mass Air Flow (MAF) Sensor

LH Front Engine compartment, on Air Cleaner (ACL) Housing

Noise Suppressor Filter

LH Front Engine Compartment, below Front Wiper Motor

Park/Neutral Position (PNP) Switch (3-Speed Automatic transmission)

RH side of Transmission

Powertrain Control Module (PCM)

Under LH I/P, left of Steering Column

Starter Motor

Lower RH side of Engine, under Intake Manifold

Stoplamp Switch

Under LH I/P, above Brake Pedal

Throttle Position (TP) Sensor

On Throttle Body