GM Service Manual Online
For 1990-2009 cars only
Figure 1:

4.3L Engine, Rear


Object Number: 327358  Size: MF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Evaporative Emission (EVAP) Canister Purge Valve
(3)Knock Sensor
(4)Fuel Pump Switch and Engine Oil Pressure Gage Sensor
(5)Camshaft Position (CMP) Sensor
Figure 2:

4.3L Engine, Left Side


Object Number: 395707  Size: MF
(1)Throttle Position (TP) Sensor
(2)Fuel Injectors, Number 1- 6
(3)Idle Air Control Valve
(4)Evaporative Emission (EVAP) Canister Vacuum Switch
(5)Engine Coolant Temperature Gage Sensor
(6)A/C Compressor Clutch
(7)Exhaust Gas Reduction Valve (EGR) Valve
Figure 3:

8.1L Engine, Upper Right Side


Object Number: 696072  Size: MF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Engine Harness
(3)Ignition Coil (IC) - Right Side, Typical
(4)Connector C125 - Engine Harness
(5)Engine Coolant Temperature (ECT) Sensor Connector
(6)ECT Sensor - Engine Harness
(7)C125 - Right Side Ignition Coil Harness
Figure 4:

8.1L Engine, Rear


Object Number: 690071  Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Exhaust Gas Recirculation (EGR) Valve
(3)Crankshaft Position (CKP) Sensor
(4)Oil Pressure (EOP) Sensor
Figure 5:

6.5L Engine, Left Side


Object Number: 327362  Size: MF
(1)Wastegate Solenoid
(2)Engine Coolant Temperature Gage Sensor
(3)A/C Compressor High Pressure Cutoff Switch
(4)Engine Coolant Temperature Gage Sensor
Figure 6:

Automatic Transmission, 4-Speed, 4L60-E


Object Number: 375600  Size: MF
(1)C103
(2)Vehicle Speed Sensor (VSS)
(3)Park/Neutral Position Switch
Figure 7:

Automatic Transmission, 4-Speed, 4L80-E


Object Number: 583729  Size: MF
(1)Vehicle Speed Sensor (VSS)
(2)Park/Neutral Position Switch
(3)Backup Lamp Switch
(4)Automatic Transmission Input Shaft Speed (A/T ISS) Sensor
Figure 8:

Fuel Tank (35 Gallons)


Object Number: 327365  Size: MF
(1)Fuel Pump and Sender - Gas or Fuel Tank Level Sender - Diesel
Figure 9:

Fuel Tank (55 Gallons)


Object Number: 327366  Size: MF
(1)Fuel Pump and Sender - Gas or Fuel Tank Level Sender -Diesel
(2)Fuel Tank
Figure 10:

Instrument Cluster


Object Number: 327367  Size: MF
(1)Hazard Warning Indicator Lamps and Turn Signal Indicators
(2)Fuel Gage
(3)Headlamp High Beam Indicator Lamp
(4)Low Engine Coolant Level Indicator Lamp (Diesel Only)
(5)ABS Malfunction Indicator Lamp
(6)Check Gages Indicator Lamp
(7)Service Engine Soon Indicator Lamp
(8)Service Throttle Soon Indicator Lamp
(9)Voltmeter
(10)TRIP Meter Reset
(11)Speedometer
(12)Odometer
(13)PRDNL
(14)Temperature Gage
(15)WAIT TO START Indicator Lamp
(16)WATER IN FUEL Indicator Lamp
(17)Generator Charge Indicator Lamp
(18)Seat Belt Indicator Lamp
(19)Inflatable Restraint Indicator Lamp
(20)Brake Indicator Lamp
(21)Daytime Running Lamp Indicator Lamp
(22)Oil Pressure Gage
Figure 11:

Instrument Panel, Driver Outer Knee Bolster Bracket


Object Number: 327368  Size: MF
(1)Low Engine Coolant Level Indicator Module, 6.5L Only
(2)Park Brake Warning Switch
Figure 12:

Instrument Panel


Object Number: 327615  Size: MF
(1)Inflatable Restraint IP Module, Right
(2)Fuel Sender Buffer Module
(3)Inflatable Restraint Diagnostic Resistor - without Pass SIR
Figure 13:

Multifunction Alarm Module


Object Number: 692950  Size: LF
(1)Multifunction Alarm Module
(2)Turn Signal/Hazard Flasher Module
(3)IP Relay Center
Figure 14:

Underhood Fuse-Relay Center


Object Number: 698163  Size: MF
(1)C100
(2)P100
(3)Underhood Fuse-Relay Center
(4)S170
(5)S165
(6)S120
(7)Powertrain Control Module (PCM)
(8)S127
Figure 15:

IP Wiring


Object Number: 583974  Size: MF
(1)Vehicle Speed Sensor (VSS) Buffer