GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Group No.

1-2 Shift Solenoid Valve

In the Automatic Transmission

--

Cell 202

0470265

2-3 Shift Solenoid Valve

In the Automatic Transmission

--

Cell 202

0470265

3-2 Shift Solenoid Valve

In the Automatic Transmission

--

Cell 202

0470265

A/C Compressor

Top LH front of engine

Cell 201

Cell 202

9.170

A/C Compressor Clutch Diode

7.5 cm from engine harness breakout to A/C Compressor

Cell 201

--

2.510

A/C Compressor Relay

Center Rear of Engine Compartment

Cell 201

Cell 202

9.277

A/C Refrigerant Pressure Sensor

At A/C Evaporator

Cell 201

Cell 202

9.275

A/C Request Voltage Drop Resistor

I/P Harness, 7.5 cm right of relay center breakout

Cell 201

--

--

Automatic Transmission

RH side of transmission

Cell 201

Cell 202

4.003

Automatic Transmission Fluid Pressure Manual Valve Position Switch

In the Automatic Transmission

--

Cell 202

0470265

Brake Pressure Modulator Valve

LH side of engine compartment above wheel house

Cell 201

--

0499730

    • Connector C1 (10 Cavities)

--

--

Cell 202

--

Camshaft Position Sensor

RH side of engine forward of coil packs

Cell 201

Cell 202

2.383

Crankshaft Position Sensor

RH side of engine below coil packs

Cell 201

Cell 202

2.383

Cruise Control Module

LH rear of engine compartment on cowl

Cell 201

Cell 202

3.887

Data Link Connector

Lower LH side of instrument panel

Cell 201

Cell 202

--

Electronic Brake Control Module

Part of Brake Pressure Modulator Valve

--

--

--

Electronic Ignition Control Module (Without Coil)

RH side of engine near camshaft position sensor

Cell 201

--

2.170

    • Connector C1 (6 Cavities)

--

--

Cell 202

--

    • Connector C2 (2 Cavities)

--

--

Cell 202

--

Engine Coolant Temperature Sensor With Engine Coolant Temperature Gauge Sensor

Front of engine near thermostat housing

Cell 201

Cell 202

1.150

Evaporative Emission Canister Purge Solenoid Valve

RH side of engine above coil packs

Cell 201

Cell 202

1.130

Evaporative Emission Canister Vent Solenoid Valve

Crossmember area of fuel tank

Cell 201

Cell 202

3.120

Exhaust Gas Recirculation Valve

Top rear of engine

Cell 201

Cell 202

3.670

Fuel Injector # 1

RH rear of engine on fuel rail

--

--

3.725

Fuel Injector # 2

RH rear of engine on fuel rail

--

--

3.725

Fuel Injector # 3

RH rear of engine on fuel rail

--

--

3.725

Fuel Injector # 4

RH rear of engine on fuel rail

--

--

3.725

Fuel Level Buffer Module

Below the I/P Compartment

Cell 201

Cell 202

3.108

Fuel Level Sensor With Fuel Pump (Fuel Sender With Pump)

Top of fuel tank

Cell 201

Cell 202

3.107

Fuel Pump Prime Connector

LH rear side of engine compartment

Cell 201

Cell 202

--

Fuel Pump Relay

In relay center

Cell 201

Cell 202

3.960

Fuel Tank Pressure Sensor

Top of fuel tank

Cell 201

Cell 202

3.682

Heated Oxygen Sensor, Post-Converter

Rear of catalytic converter

Cell 201

Cell 202

3.682

Heater And A/C Controller

Upper center of instrument panel

Cell 201

--

9.273

    • Connector C1 (3 Cavities)

--

--

Cell 202

--

I/P Fuse Block

LH side of instrument panel

Cell 201

Cell 11

2.483

Idle Air Control Valve

Upper LH portion of throttle body assembly, just below the throttle position sensor

Cell 201

Cell 202

3.820

Ignition Coil 1-4 (Distributorless)

Mounted on Electronic Ignition Control Module (W/O Coil)

Cell 201

--

2.383

Ignition Coil 2-3 (Distributorless)

Mounted on Electronic Ignition Control Module (W/O Coil)

Cell 201

--

2.383

Instrument Cluster

LH side of instrument panel

Cell 201

Cell 202

9.735

Intake Air Temperature Sensor

LH front of engine compartment on air intake duct

Cell 201

Cell 202

3.682

Knock Sensor

Lower RH side of engine below coil packs

Cell 201

Cell 202

3.383

Oxygen Sensor, Pre-Converter (2.2 L Engine)

LH side of engine in exhaust manifold

Cell 201

Cell 202

3.682

Powertrain Control Module (2.2 L Engine)

RH side of engine compartment

Cell 201

--

3.670

    • Connector C1 (80 Cavities)

--

--

Engine Controls Connector End Views

--

    • Connector C2 (80 Cavities)

--

--

Engine Controls Connector End Views

--

Pressure Control Solenoid Valve

In the Automatic Transmission

--

Cell 202

0470265

Radio

Center of instrument panel

Cell 201

--

9.650

    • Connector C2 (6 Cavities)

--

--

Cell 202

--

Relay Center

Behind instrument panel compartment box

Cell 201

Cell 202

--

TCC Brake And Cruise Control Release Switch

On brake pedal support bracket

Cell 201

Cell 202

3.887

Throttle Position Sensor

Upper LH portion of the throttle body assembly

Cell 201

Cell 202

3.339

Torque Converter Clutch Pulse Width Modulation Solenoid Valve

In the Automatic Transmission

--

Cell 202

0470122

Torque Converter Clutch Solenoid Valve

In the Automatic Transmission

--

Cell 202

0470265

Transmission Fluid Temperature Sensor

In the Automatic Transmission

--

Cell 202

--

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

LH side of automatic transmission

Cell 201

--

2.698

    •  Connector C1 (7 Cavities)

--

--

Cell 202

--

Vehicle Speed Sensor (With Manual Transmission)

RH rear of transmission

Cell 201

Cell 202

3.682

Vehicle Speed Sensor (With Automatic Transmission)

RH rear of transmission

Cell 201

Cell 202

3.682

C102 (15 cavities)

Engine harness to front of dash harness, LH rear of engine compartment above brake booster

Cell 201

Cell 202

--

C104 (6 cavities)

Engine harness to chassis harness, forward of lower portion of HVAC evaporator coil assembly

Cell 201

Cell 202

--

C107 (7 cavities)

Front of dash harness to chassis harness, engine compartment near power distribution center

Cell 201

Cell 202

--

C111 (5 cavities)

Engine harness to fuel injector, on top of engine at the Fuel Injector

Cell 201

Cell 202

--

C117 (4 Cavities)

Engine harness to post converter oxygen sensor, RH side of transmission near the C175 breakout

Cell 201

Cell 202

--

C118 (1 cavity)

Engine harness to preconverter oxygen sensor, LH side of engine near exhaust manifold

Cell 201

Cell 202

--

C120 (15 cavities)

Engine harness to I/P extension harness, near Powertrain Control Module on RH side of engine compartment

Cell 201

Cell 202

--

C121 (2 cavities)

Engine harness to I/P extension harness, near Powertrain Control Module on RH side of engine compartment

Cell 201

Cell 202

--

C175 (13 cavities)

Engine harness to transmission, RH side of transmission just forward of Catalytic Converter

Cell 201

Cell 202

--

C200 (23 cavities)

Front of dash harness to I/P harness, behind RH side of instrument panel

Cell 201

Cell 202

--

C201 (23 cavities)

I/P harness to I/P extension harness, behind RH side of instrument panel

Cell 201

Cell 202

--

C202 (6 Cavities)

I/P harness to I/P extension harness, behind RH side of instrument panel

Cell 201

Cell 202

--

C203 (56 cavities)

Front of dash harness to I/P harness, behind instrument panel, RH side

Cell 201

Cell 202

--

G112

Fog lamp harness, LH radiator support

Cell 201

--

--

G113

LH rear of engine compartment to the left of the A/C compressor relay

Cell 201

--

--

G114

LH rear of engine, below crankshaft position sensor

Cell 201

--

--

G115

LH rear of engine, below crankshaft position sensor

Cell 201

--

--

G116

LH side of engine below exhaust manifold, engine harness

Cell 201

--

--

G132

LH side of engine below exhaust manifold, engine harness

Cell 201

--

--

G402

LH rear of chassis frame on cross member

Cell 201

--

--

P100

At cowl on LH rear of engine compartment

Cell 201

--

--

P101

At cowl on RH rear of engine compartment

Cell 201

--

--

S101

Engine harness, 12 cm from the A/C refrigerant pressure sensor breakout

Cell 201

--

--

S103

Engine harness, 20 cm from A/C Compressor Clutch connector

Cell 201

--

--

S104

Engine harness, 20 cm from A/C Compressor Clutch connector

Cell 201

--

--

S105

Engine harness, 12 cm left of A/C Refrigerant Pressure Sensor breakout

Cell 201

--

--

S106

Engine harness, 8 cm from breakout to Connector C102 and oxygen sensor

Cell 201

--

--

S107

Engine harness, 15 cm from dash harness breakout

Cell 201

--

--

S109

Engine harness, 6 cm from breakout to starter and compressor relays

Cell 201

--

--

S112

Engine harness, 6 cm toward dash from generator harness breakout

Cell 201

--

--

S128

LN2 fuel injector harness, 3 cm from fuel injector No. 3 breakout toward C111

Cell 201

--

--

S129

In the Automatic Transmission

Cell 201

--

--

S140

Engine harness, 17 cm from C175 breakout

Cell 201

--

--

S209

I/P harness, 39 cm right of instrument cluster breakout

Cell 201

--

--

S210

I/P harness, 43 cm right of instrument cluster breakout

Cell 201

--

--

S212

I/P harness, 7 cm into the radio breakout

Cell 201

--

--

S213

I/P harness, 4 cm left of cigarette lighter breakout

Cell 201

--

--

S218

I/P harness, 5 cm left of relay center breakout

Cell 201

--

--

S220

I/P harness, 6 cm into relay center breakout

Cell 201

--

--

S221

I/P harness, 5 cm right of relay center breakout

Cell 201

--

--

S224

I/P harness, 7 cm right of relay center breakout

Cell 201

--

--

S225

I/P harness, 7 cm right of relay center breakout

Cell 201

--

--

S227

Front of Dash, 8 cm into the data link connector breakout

Cell 201

--

--

S230

Front of dash harness, 25 cm right of P100

Cell 201

--

--

S238

Front of dash harness, 11 cm into TCC Brake and Cruise Control Release Switch breakout

Cell 201

--

--

S239

Front of dash harness, 18 cm from TCC Brake and Cruise Control Release Switch

Cell 201

--

--

S241

In front-of-dash harness 6 cm to the right of the steering column breakout

Cell 201

--

--

S244

Front of dash harness, 26 cm right of steering column breakout

Cell 201

--

--

S266

I/P harness, 6 cm from breakout to instrument cluster, on the breakout to the instrument cluster

Cell 201

--

--

S401

Chassis harness, between breakouts to supplemental restraint arming sensor and fuel pump, 7 cm from fuel pump breakout

Cell 201

--

--