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 transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

2-3 Shift Solenoid (2-3 SS) Valve

Inside the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

3-2 Shift Solenoid (3-2 SS) Valve Assembly

Inside the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

A/C Compressor (2.2L Engine)

Top LH front of engine

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

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

A/C Compressor Clutch

Part of A/C Compressor

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

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

A/C Compressor Clutch Diode (2.2 L Engine)

20 cm toward the main engine harness from the A/C Compressor connector

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

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A/C Compressor Clutch Relay (2.2L Engine)

In the Underhood Bussed Electrical Center

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

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A/C Refrigerant Pressure Sensor

On the A/C Evaporator tube

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

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

AM/FM Stereo Radio (Except Bravada)

Center of the Instrument Panel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

AM/FM Stereo Radio (Except Bravada) Connector C2 (10 Cavities)

LH rear of radio

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch

Inside the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Body Bussed Electrical Center (BBEC)

LH side of dash, near IP fuse Block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Camshaft Position Sensor (2.2L Engine)

RH side of engine forward of coil packs

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position Sensor (2.2L Engine)

RH side of engine below coil packs

Engine Controls Component Views

Engine Controls Connector End Views

Cruise Control Module

LH rear of engine compartment on cowl

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Data Link Connector

Lower LH side of instrument panel

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Electronic Brake Control Module (EBCM)

LH front fenderwell between the Underhood Bussed Electrical Center and Grommet P100

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Brake Control Module (EBCM) Connector C2 (2 Cavities)

Body harness connector on LH of Electronic Brake Control Module/Brake Pressure Modulator Valve

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Ignition Control Module (2.2L Engine)

RH side of engine near camshaft position sensor

Engine Controls Component Views

Engine Controls Connector End Views

Electronic Ignition Control Module (2.2L Engine) Connector C1 (2 Cavities)

RH side of engine near camshaft position sensor

Engine Controls Component Views

Engine Controls Connector End Views

Electronic Ignition Control Module (2.2L Engine) Connector C2 (6 Cavities)

RH side of engine near camshaft position sensor

Engine Controls Component Views

Engine Controls Connector End Views

Engine Coolant Temperature Sensor (2.2L Engine)

Front of engine, in coolant piping

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions Canister Purge Solenoid Valve (2.2L Engine)

RH side of engine above coil packs

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions Canister Vent Solenoid Valve (Pickup w/ 2.2L Engine)

Crossmember area of fuel tank, rear center of cross-member behind fuel tank

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Engine Controls Connector End Views

Fuel Injector #1-4 (2.2L Engine)

On lower manifold assembly

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Fuel Level Sensor W/ Fuel Pump (Fuel Sender W/ Pump)

Top of fuel tank, four wire connector

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Pump Relay (2.2L Engine)

In the Underhood Bussed Electrical Center

Power and Grounding Component Views in Wiring Systems

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Fuel Tank Pressure Sensor

Top of fuel tank, three wire connector

Engine Controls Component Views

Engine Controls Connector End Views

Generator (2.2L Engine)

RH front of engine

Engine Controls Component Views

Engine Controls Connector End Views

Heated Oxygen Sensor 2, Post-Converter (Secondary Oxygen Sensor ) (2.2L Engine)

In the exhaust pipe, to the rear of the catalytic converter

Engine Controls Component Views

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Heater And A/C Controller

Upper center of instrument panel

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

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

Heater And A/C Controller Connector C2 (W/ Manual A/C) (3 Cavities)

Upper center of instrument panel

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

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

Idle Air Control Valve Motor (2.2L Engine)

Top RH side of engine

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Coil 1-4 (2.2L Engine)

Part of the Electronic Ignition Control Module

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Coil 2-3 (2.2L Engine)

Part of the Electronic Ignition Control Module

Engine Controls Component Views

Engine Controls Connector End Views

Instrument Cluster

In the IP ahead of 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 Sensor (2.2 L Engine)

LH front of engine compartment on air intake duct

Engine Controls Component Views

Engine Controls Connector End Views

Knock Sensor (2.2L Engine)

Lower RH side of engine below coil packs

Engine Controls Component Views

Engine Controls Connector End Views

Linear Exhaust Gas Recirculation Valve (2.2L Engine)

Top rear of engine

Engine Controls Component Views

Engine Controls Connector End Views

Manifold Absolute Pressure Sensor (2.2L Engine)

Top RH side of engine on intake manifold

Engine Controls Component Views

Engine Controls Connector End Views

Manual Transmission Clutch Start Switch

On clutch pedal support bracket

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Oxygen Sensor 1 (Pre-Converter, 2.2L Engine)

LH Side of engine, in the exhaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM)

Right hand side of engine compartment

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM) Connector C1 (80 Cavities)

Right hand side of engine compartment

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM) Connector C2 (80 Cavities)

Right hand side of engine compartment

Engine Controls Component Views

Engine Controls Connector End Views

Pressure Control Solenoid (PC SOL) Valve

Inside the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Stop Lamp Switch

Mounted on brake pedal

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Throttle Position Sensor (2.2L Engine)

Top LH side of engine

Engine Controls Component Views

Engine Controls Connector End Views

Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM SOL) Valve

Inside the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Torque Converter Clutch Solenoid (TCC SOL) Valve

Inside the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Transmission Fluid Temperature (TFT) Sensor

Inside the automatic transmission

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Transmission Range Switch (Park/Neutral Position And Backup Lamp Switch)

LH side of transmission

Engine Controls Component Views

Engine Controls Connector End Views

Transmission Range Switch (Park/Neutral Position And Backup Lamp Switch) Connector C1

LH side of transmission

Engine Controls Component Views

Engine Controls Connector End Views

Transmission Range Switch (Park/Neutral Position And Backup Lamp Switch) Connector C2

LH side of transmission

Engine Controls Component Views

Engine Controls Connector End Views

Truck Body Control Module Connector C1 (24 Cavities)

Lower rear of IP on the heater assembly

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Truck Body Control Module Connector C2 (24 Cavities)

Lower rear of IP on the heater assembly

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Underhood Bussed Electrical Center (UBEC)

Over left front fender well

Power and Grounding Component Views in Wiring Systems

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Underhood Bussed Electrical Center (UBEC) Connector C1 (Body, 68 Cavities)

Below the Underhood Bussed Electrical Center

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Bussed Electrical Center (UBEC) Connector C2 (2.2L Engine, 68 Cavities)

Below the Underhood Bussed Electrical Center

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Bussed Electrical Center (UBEC) Connector C3 (Chassis, Pickup, 32 Cavities)

Below the Underhood Bussed Electrical Center

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Speed Sensor (VSS) (2.2L Engine W/ A/T)

RH rear of automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Vehicle Speed Sensor (VSS) (2.2L Engine W/ M/T)

RH rear of manual transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

C101 (Engine Harness to Body Harness) (2.2L Engine, 10 Cavities)

RH engine compartment, near PCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C104 (Chassis to 2.2L Engine Harness) (6 Cavities)

LH side of transmission

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C111 (2.2L Engine Harness to Fuel Injector Extension Harness) (5 Cavities)

Rear of engine, at fuel rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C117 (Engine Harness to Heated Oxygen Sensor Pigtail Connector) (2.2L Engine) (4 Cavities)

RH rear of automatic transmission

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C118 (2.2L Engine Harness to Oxygen Sensor Extension) (1 Cavity)

LH Side of engine, near exhaust manifold

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C120 (2.2L Engine Harness to Body Harness) (5 Cavities)

RH engine compartment, near PCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C175 (Engine Harness to Automatic Transmission Connector) (2.2L Engine) (13 Cavities)

RH rear of the automatic transmission

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (Body Harness to IP Harness) (116 Cavities)

RH side of dash

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102 (Circuit 350, 2.2L Engine Harness)

RH engine block, under generator

Harness Routing Views in Wiring Systems

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G103 (Circuit 351, 2.2L Engine Harness)

RH engine block, under generator

Harness Routing Views in Wiring Systems

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G105 (Circuit 450, 451, 2.2L Engine Harness)

RH rear of engine block, near ignition control module

Harness Routing Views in Wiring Systems

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G200 (Circuit 1850, Body Harness)

LH front of dash panel, above grommet P100

Harness Routing Views in Wiring Systems

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G201 (Circuit 1850, Body Harness)

LH front of dash panel, above grommet P100

Harness Routing Views in Wiring Systems

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G402 (Circuit 1750, Pickup Chassis Harness)

Inside rear of LH Frame Rail

Harness Routing Views in Wiring Systems

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P100 (IP Bulkhead Pass-Through)

LH rear of engine compartment, on cowl

Harness Routing Views in Wiring Systems

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S103 (Circuit 350, 2.2L Engine Harness W/ A/C)

20 cm toward the main engine harness from the A/C Compressor connector

Harness Routing Views in Wiring Systems

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S104 (Circuit 59, 2.2L Engine Harness W/ A/C)

20 cm toward the main engine harness from the A/C Compressor connector

Harness Routing Views in Wiring Systems

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S106 (Circuit 351, 2.2L Engine Harness)

Between the breakouts to the PCM and to the fuel injector connector, 25 cm from the breakouts to the PCM

Harness Routing Views in Wiring Systems

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S129 (Circuit 1020, 2.2L W/ A/T Engine Harness)

Between the A/C Refrigerant Pressure Sensor breakout and the C111 breakout, 19.5 cm from the breakout to the refrigerant pressure sensor.

Harness Routing Views in Wiring Systems

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S133 (Circuit 839, Automatic Transmission harness)

Inside the Automatic Transmission-A/T only.

Harness Routing Views in Wiring Systems

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S138 (Circuit 420, Body harness, W/O Auto A/C)

Between the Blower Motor Resistor breakout and the Windshield Wiper Motor breakout, 6 cm from the breakout to the resistor.

Harness Routing Views in Wiring Systems

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S140 (Circuit 450, 2.2L Engine Harness W/ A/T)

On the engine harness at the automatic transmission, 8 cm toward the engine from the breakout to the speed sensor

Harness Routing Views in Wiring Systems

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S140 (Circuit 450, 2.2L Engine Harness W/ M/T)

On the engine harness breakout to the M/T's vehicle speed sensor, 7 cm from the breakout

Harness Routing Views in Wiring Systems

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S152 (Circuit 351, 413, and 451, 2.2L Engine Harness)

Between the breakouts to the fuel injector connector and the ignition control module, 7 cm from the breakout to the fuel injector connector)

Harness Routing Views in Wiring Systems

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SP200 (Circuits 41, 241, 341, 817 Splice Pack, Body Harness)

Strapped to the body harness in the center front of dash area, to the right of SP204

Harness Routing Views in Wiring Systems

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SP201 (Data Link Connector Spice Pack, Body Harness)

LH side of dash panel, below IP Fuse Block

Harness Routing Views in Wiring Systems

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SP202 (379, 1850 Splice Pack, Body Harness)

Strapped to body harness at LH center of the front of dash area

Harness Routing Views in Wiring Systems

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SP422 (Pickup Chassis Harness W/ 2.2L Engine, Circuit 510)

On the LH frame rail behind the crossmember at the transmission

Harness Routing Views in Wiring Systems

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