GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Group No.

Balance Fuel Pump

On Inside LH Framerail near front of rear Tank

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Balance Fuel Pump Relay

On Fuel Pump Balance Module

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Crankshaft Position Sensor

LH lower, front engine cover

201-7 Fig. 13

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Accelerator Pedal Position Module

Includes Accelerator Pedal

201-6 Fig. 12

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Electronic Fuel Injection Pump

Top of engine

201-17 Fig. 24

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EGR Control Pressure/Baro Sensor

On bulkhead, RH of steering Column

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Engine Coolant Temperature (ECT) Sensor

LH Lower Front of Engine Block

201-16 Fig. 22

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Exhaust Gas Recirculation Solenoid

Left rear top of engine

201-16, Fig. 22

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Fuel Pump Oil Pressure Switch

Under intake manifold center of engine

201-16 Fig. 23

202-45

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Fuel Pump Prime Connector

I/P Harness, approximately 20 cm into Fuse-Relay Center Breakout

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202-47

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Fuel Pump Relay

In Underhood Fuse-Relay Center

201-4 Fig. 9

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Glow Plug Relay

LH rear of engine near Bulkhead

201-18 Fig. 27

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Intake Air Temperature Sensor

In air intake duct

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Powertrain Control Module (PCM)

Under RH end of I/P, above Blower Motor

201-26 Fig. 42

202-103

3.670

Connector, PCM C1, Brn

RH side of the engine compartment

01-24 Fig. 38

202-101

3.670

Connector, PCM C2, Brn

RH side of the engine compartment

01-24 Fig. 38

202-102

3.670

Underhood Fuse-Relay Center

LH rear of engine Compartment, on fender

201-4, Fig. 8

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Vehicle Speed Sensor (VSS) Adapter (A/T w/4WD)

Male-to-male connector adapter from the engine harness to the 4WD extension harness

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Wastegate Solenoid

Left rear top of engine

201-16, Fig. 22

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C100

LH rear of Engine Compartment at Bulkhead

201-3 Fig. 7

202-0

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C112

Engine Harness, in line to Engine Sensors

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202-3

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C113

Engine Harness, in line to Engine Sensors

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202-4

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C117

Engine Jumper harness, from Fuel Solenoid Driver

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C118

Engine Jumper Harness, from Fuel Temperature Harness

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C200

Behind RH Portion of I/P, near Heater Motor, in Foam Wrap

201-24 Fig. 38

202-5,6

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D104

Engine Harness, approximately 28 cm from A/C Compressor Clutch Connector

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G104

RH Top of Cylinder Head

201-15 Fig. 21

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G105

RH top of Cylinder Head

201-15 Fig. 21

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G200

Behind LH side of I/P, below Fuse Block

201-25 Fig. 39

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P101

RH rear of Engine Compartment at Bulkhead

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S100

Engine harness, approximately 37 cm from Breakout to Fuse-Relay Center toward Taillamp Harness

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S101

Engine Harness, approximately 5 cm from Breakout to Glow Plug Relay (RH side) toward Underhood Lamp

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S103

Engine Harness, approximately 12 cm from Breakout to Glow Plugs (RH side) toward P101

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S108

Engine harness, approximately 5 cm from Backup Lamp Switch Harness Breakout, toward EGR Valve

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S111

Engine harness, approximately 11 cm from Breakout to EBCM toward Glow Plugs

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S135

Engine harness, at Glow Plug Controller

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S136

Engine harness, at Glow Plug Controller

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S137

Engine harness, approximately 64 cm from Glow Plug Controller

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S138

Engine harness, approximately 13 cm into Generator Breakout

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S140 (VIN S)

In Engine Sensor Harness

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S147

Engine harness, approximately 4 cm from Breakout to Glow Plugs (RH side)

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S150

Engine harness, approximately 13 cm into EBCM Breakout

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S152

Engine harness, approximately 4 cm from I/P Harness Breakout, toward P101

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S159

Engine harness, approximately 8 cm from Glow plug Breakout

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S170

Engine harness, approximately 8 cm from Fuel Heater Breakout, toward Glow Plug Controller

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S185

Engine Harness, approximately 28 cm from A/C Compressor Clutch Connector

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S190

Engine Jumper harness, from C113 toward Fuel Solenoid Jumper

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S191

Engine Jumper harness, from Fuel Solenoid Driver Toward PCM

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S198

Engine Jumper harness, from C113 toward Fuel Temperature Sensor

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S199

Engine Jumper Harness

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S211

I/P Harness, approximately 16 cm into I/P Cluster Breakout

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S213

I/P Harness, approximately 14 cm from DLC Harness Breakout, toward C100

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S215

I/P Harness, approximately 8 cm from I/P Cluster Breakout, toward Radio Harness Breakout

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S220

I/P Harness, approximately 6 cm from Steering Column Harness Breakout, Toward C100

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S221

I/P Harness, approximately 5 cm into Power Steering Control Module Breakout

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S230 (VIN S)

Engine harness, approximately 43 cm from Breakout to EBCM

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S268

I/P Harness, approximately 7 cm from Haeter A/C Control Connector Breakout

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S269

Engine harness, approximately 34 cm from P101, inside Passenger Compartment

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S272

I/P Harness, approximately 4 cm into Auxiliary Power Outlet Breakout

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S298

I/P Harness, approximately 24 cm from I/P Cluster Breakout, toward Radio Breakout

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S314

4WD Harness, approximately 5 cm from Transfer Case Relay Breakout, toward Front Axle Switch

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S318

Taillamp Extension Harness, approximately 10 cm from Fuel Pump Balance Module Breakout, toward Engine Harness

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S319

Taillamp Extension Harness, approximately 20 cm from Fuel Gage Sender Breakout, toward Balance Fuel Pump

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