GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

1-2 Shift Solenoid (1-2 SS) Valve

In 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

In 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

In the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

A/C Compressor Clutch

Part of the 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 (2.2L Engine)

20 cm (7.87 in) 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

In the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

A/C Refrigerant Pressure Sensor (2.2L Engine)

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

Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch

In the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Body Relay Block

LH of the dash, right of the IP fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Body Control Module (BCM) Connector C1, Brown (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (BCM) Connector C2, Blue (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Camshaft Position (CMP) Sensor (2.2L Engine)

RH of the engine, forward of the coil packs

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Crankshaft Position (CKP) Sensor (2.2L Engine)

RH of the engine, below the coil packs

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Cruise Control Module (CCM)

LH rear of the engine compartment, on the cowl

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Data Link Connector (DLC)

Lower LH of the IP

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Electronic Brake Control Module (EBCM)

On the brake pressure modulator valve (BPMV), LH rear wheelwell

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 C1 (10 Cavities)

The body harness connector on the LH of the EBCM

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Engine Coolant Temperature (ECT) Sensor (2.2L Engine)

Front of the engine, in the coolant piping

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Evaporative (EVAP) Emission Canister Purge Valve (2.2L Engine)

RH side of engine above the coil packs

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Evaporative (EVAP) Emission Canister Vent Valve

Crossmember area of the fuel tank, rear center of the crossmember behind fuel tank

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Fuel Injectors #1-4 (2.2L Engine)

On the lower manifold assembly

Engine Controls Component Views in Engine Controls - 2.2L

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Fuel Pump and Sender

Internal to the fuel tank

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Fuel Pump Relay

In the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Fuel Tank Pressure Sensor

The three wire connector at the top of the fuel tank

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Generator (2.2L Engine)

RF of the engine

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1 (2.2L Engine)

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

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Heater and A/C Controller (w/ Man A/C) Connector C2 (3 Cavities) (Heater Control Lamp)

Next to the vacuum harness connector

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

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

Idle Air Control (IAC) Valve (2.2L Engine)

Top of the engine, on the throttle body

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

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

RH rear of the engine, near the grounding strap

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

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

RH rear of the engine, near the grounding strap

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

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 (IAT) Sensor (2.2L Engine)

LF of the engine compartment, in the air intake duct

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

IP Fuse Block

LH of the IP, near the door jamb switch, LF

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Knock Sensor (KS) (2.2L Engine)

Lower RH of the engine, below the coil packs

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Manifold Absolute Pressure (MAP) Sensor (2.2L Engine)

Top RH of the engine, on the intake manifold

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Oxygen Sensor, Bank  1 Sensor   1 (2.2L Engine)

LH side of engine, in the exhaust manifold crossover pipe

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Park/Neutral Position (PNP) Switch, Connector C1 (7 Cavities)

LH of the transmission

Tilt Wheel/Column Component Views in Steering Wheel and Column - Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Park/Neutral Position (PNP) Switch, Connector C2 (4 Cavities)

LH of the transmission

Tilt Wheel/Column Component Views in Steering Wheel and Column - Tilt

Tilt Wheel/Column Connector End Views in Steering Wheel and Column - Tilt

Powertrain Control Module (PCM) Connector C1 (2.2L Engine)

On the right side of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

Powertrain Control Module Connector End Views in Engine Controls - 2.2L

Powertrain Control Module (PCM) Connector C2 (2.2L Engine)

On the right side of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

Powertrain Control Module Connector End Views in Engine Controls - 2.2L

Pressure Control Solenoid (PC SOL) Valve

In the automatic transmission

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Radio (Except Bravada) Connector C2, (10 Cavitites)

Center of IP

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

TCC/Stop Lamp Switch

Mounted on the brake pedal

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Throttle Position (TP) Sensor (2.2L Engine)

Top of the engine, forward of the throttle body

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

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

In 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

In 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

Part of the automatic transmission fluid pressure (TFP) manual valve position switch

Automatic Transmission Electronic Component Views in Automatic Transmission

Automatic Transmission Internal Connector End Views in Automatic Transmission

Underhood Fuse Block

On the top of the left inner wheelwell

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Fuse Block Connector C1 (68 Cavities) (Body)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Fuse Block Connector C2 (68 Cavities) (Engine)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Fuse Block Connector C3 (32 Cavities) (Chassis)

Below the underhood fuse block

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 the A/T

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

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

LH rear of the M/T

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

C101 (16 Cavities) (2.2L Engine)

Engine harness to body harness, RH of the engine compartment, near the PCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C104 (6 Cavities) (2.2L Engine)

Chassis to engine harness, LH of the transmission

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C111 (5 Cavities) (2.2L Engine)

Rear of the engine, at the fuel rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (116 Cavities)

Body harness to IP harness, to the RH of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102 (2.2L Engine)

At the engine harness, RH front of the engine block, under the generator

Harness Routing Views in Wiring Systems

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G103 (2.2L Engine)

(CKT 351) Engine harness, RH front of the engine block, under the generator

Harness Routing Views in Wiring Systems

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G105 (2.2L Engine)

(CKT 450, CKT 451) Engine harness, to the RH rear of the engine block, near the Ignition Control Module

Harness Routing Views in Wiring Systems

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G200

(CKT 1850) Body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G201

(CKT 1850) Body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G402 (Pickup)

(CKT 1750) Chassis harness, near the top center of the second crossmember from rear, with the fuel filler neck ground strap

Harness Routing Views in Wiring Systems

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P100

IP bulkhead pass-through, LH rear of the engine compartment, on the cowl

Harness Routing Views in Wiring Systems

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S103 (2.2L Engine w/ A/C)

(CKT 350) Engine harness, on the anode side of the A/C compressor clutch diode, in the breakout to the A/C compressor and cutoff switch

Harness Routing Views in Wiring Systems

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S104 (2.2L Engine w/ A/C)

(CKT 59) Engine harness, on the cathode side of the A/C compressor clutch diode, in the breakout to the A/C compressor and cutoff switch

Harness Routing Views in Wiring Systems

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S106 (2.2L Engine)

(CKT 351) Engine harness, between the breakouts to the PCM and to the fuel injector connector, 25 cm (9.84 in) from the breakouts to the PCM

Harness Routing Views in Wiring Systems

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S128 (2.2L Engine)

(CKT 120) Injector harness between breakout to Injectors #3 and #4

Harness Routing Views in Wiring Systems

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S129 (2.2L Engine)

(CKT 1020) Engine harness, between the A/C refrigerant pressure sensor breakout and the C111 breakout, 20 cm (7.87 in) from the breakout to the refrigerant pressure sensor

Harness Routing Views in Wiring Systems

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S138

(CKT 420) Body harness, between the breakout to VCM connector C4 and the windshield wiper motor breakout, 32 cm (12.5 in) from the breakout to the motor

Harness Routing Views in Wiring Systems

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S140 (w/ A/T)

(CKT 450) Engine harness, on the engine harness at the A/T, 8 cm (3.14 in) toward the engine from the breakout to the VSS

Harness Routing Views in Wiring Systems

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S140 (w/ M/T)

(CKT 450) Engine harness, on the engine harness breakout to the M/T VSS, 7 cm (2.75 in) from the breakout

Harness Routing Views in Wiring Systems

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S152 (2.2L Engine)

(CKT 351, CKT 413, CKT 451) Engine harness, between the breakouts for the fuel injector connector and the ignition control module, 7 cm (2.75 in) from G105

Harness Routing Views in Wiring Systems

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Splice Pack SP200

(CKT 41, CKT 241, CKT 341, CKT 817) Strapped to the body harness, in the center front of the IP, to the RH of SP204

Harness Routing Views in Wiring Systems

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Splice Pack SP201

Body harness, to the LH of the IP, below the IP fuse block, taped to the body harness

Harness Routing Views in Wiring Systems

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Splice Pack SP202

(CKT 379, CKT 1850) Strapped to the body harness, at the LH center of the IP

Harness Routing Views in Wiring Systems

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Splice Pack SP422 (Pickup)

(CKT 510) Chassis harness, on the LH frame rail, behind the crossmember at the transmission

Harness Routing Views in Wiring Systems

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