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

Coolant Recovery Tank


Object Number: 327357  Size: MF
(1)Low Engine Coolant Level Indicator Sensor
Figure 2:

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 Gauge Sensor
(5)Camshaft Position (CMP) Sensor
Figure 3:

4.3L Engine, Left Side


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

7.4L Engine, Left Side


Object Number: 327361  Size: MF
(1)Evaporative Emission (EVAP) Canister Purge Valve
(2)Evaporative Emission (EVAP) Canister Vacuum Switch
(3)Exhaust Gas Recirculation (EGR) Valve
(4)Engine Coolant Temperature Gauge Sensor
(5)Knock Sensor, Left
(6)A/C Compressor High Pressure Cutoff Switch
(7)A/C Compressor
Figure 5:

6.5L Engine, Left Side


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

Automatic Transmission, 4-Speed, 4L60-E


Object Number: 375600  Size: MF
(1)C 103
(2)Vehicle Speed Sensor (VSS)
(3)Park/Neutral Position Switch
Figure 7:

Automatic Transmission, 4-Speed, 4L80-E


Object Number: 327364  Size: MF
(1)Vehicle Speed Sensor (VSS)
(2)Park/Neutral Position Switch
(3)Backup Lamp Switch (Part of Park/Neutral Position 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 Only) or Fuel Tank Level Sender (Diesel Only)
Figure 9:

Fuel Tank (55 Gallons)


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

Instrument Cluster


Object Number: 327367  Size: MF
(1)Hazard Warning Indicator Lamp (LH/RH Turn Signal Indicators)
(2)Fuel Gauge
(3)Headlamp High Beam Indicator Lamp
(4)Low Engine Coolant Level Indicator Lamp (Diesel Only)
(5)ABS Malfunction Indicator Lamp
(6)Check Gauges 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 Gauge
(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 Gauge
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:

Underhood Fuse-Relay Center


Object Number: 348835  Size: MF
(1)P100
(2)C100
(3)Underhood Fuse-Relay Center
(4)Vehicle Control Module
Figure 14:

IP Wiring


Object Number: 375633  Size: MF
(1)Vehicle Speed Sensor (VSS) Buffer