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

4.3L


Object Number: 95800  Size: MF
(1)Engine Wiring Harness
(2)Throttle Position Sensor
(3)Injector Harness
(4)Idle Air Control Motor
(5)Vacuum Purge Valve Switch
(6)Temperature Sensor Connector
(7)Temperature Sensor
(8)Air Conditioning Harness
(9)EGR Valve Connector
Figure 2:

5.0L, 5.7L


Object Number: 95804  Size: MF
(1)Engine Wiring to I/P Harness
(2)Engine Wiring To MAF and IAT Harness
(3)Throttle Position Sensor
(4)Engine Wiring RH Engine Harness
(5)Engine Wiring to I/P Harness
(6)Engine
(7)Idle Air Control Motor
(8)Air Conditioning Hi Pressure Switch Harness
(9)Engine Coolant Temperature Sensor
Figure 3:

7.4L


Object Number: 95809  Size: MF
(1)Engine Wiring to RH Engine Harness
(2)Engine Wiring I/P Harness
(3)Canister Purge Solenoid
(4)Engine Wiring Retainer Clip
(5)Canister Purge Switch
(6)Engine Wiring Harness Retaining Bolt
(7)Engine Wiring Harness to RH Engine Harness
(8)EGR Solenoid Connector
(9)Harness Clips
(10)Coolant Temperature Sensor
(11)Knock Sensor Connector
(12)Knock Sensor Harness Bolt
(13)Knock Sensor Harness Bolt
(14)Air Conditioning Low Pressure Switch
(15)Air Conditioning Compressor
Figure 4:

6.5L


Object Number: 95814  Size: MF
(1)Air Compressor Connector
(2)Engine Wiring Harness
(3)Engine Wiring Harness Retainer Clip
(4)Engine Ground Wiring Nut
(5)Injector Harness
(6)Injector Connector
(7)Engine Wiring to Transmission Harness
(8)Transmission Shift Cable Bracket
(9)Engine Wiring Harness Retainer Clips
(10)Engine Wiring to I/P Harness
(11)High Pressure Switch
(12)Engine Ground Stud
(13)Engine Wiring Grounds Harness
(14)Air Conditioning Compressor