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

Right Side of the Engine


Object Number: 886064  Size: MF
(1)Starter
(2)Engine Oil Level Switch Connector
Figure 2:

Engine Harness - Back of the Engine (4.3L)


Object Number: 882677  Size: LF
(1)G102
(2)Camshaft Position (CMP) Sensor Connector
(3)G103
(4)Engine Oil Pressure (EOP) Sensor Connector
(5)Knock Sensor (KS) Connector
(6)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector
Figure 3:

Engine Harness - Back of the Engine (4.8L/5.3L/6.0L)


Object Number: 882710  Size: MF
(1)G103
(2)Engine Oil Pressure (EOP) Sensor Connector
(3)G102
(4)Camshaft Position (CMP) Sensor Connector
Figure 4:

I/P Harness Routing - Center of the I/P


Object Number: 883633  Size: LF
(1)HVAC Control Assembly Connectors
(2)S246 (DE7)
(3)S245 (DE7)
(4)Instrument Panel Cluster (IPC) Connector
(5)Remote Control Door Lock Receiver (RCDLR) Connector (AU0)
(6)S248
(7)C200
(8)Vehicle Communication Interface Module (VCIM) - C1, C2, C5, C6 (UE1)
(9)Turn Signal/Hazard Flasher Module Connector
(10)Cigar Lighter Connector
(11)Tow/Haul Switch Connector
(12)Antenna Connector
(13)Radio - C1, C2
Figure 5:

Center of the I/P


Object Number: 1364551  Size: MF
(1)I/P Carrier
(2)Chime Module (UL5)
(3)Turn Signal/Hazard Flasher Module
Figure 6:

Upper Steering Column


Object Number: 1195907  Size: LF
(1)Passlock Sensor
(2)Ignition Key Alarm Switch
(3)Ignition Lock Cylinder Control Actuator
(4)Ignition Switch
(5)Ignition Key Cylinder
(6)Horn Switch
(7)Inflatable Restraint Steering Wheel Module
(8)Turn Signal/Multifunction Switch
(9)Hazard Warning Switch
Figure 7:

Fuel Tank (without NE7)


Object Number: 886086  Size: MF
(1)Fuel Pump and Sender Assembly Connector
(2)Fuel Tank Pressure (FTP) Sensor Connector
Figure 8:

Fuel Tank (NE7)


Object Number: 886087  Size: MF
(1)Fuel Tank Pressure (FTP) Sensor Connector
(2)Fuel Pump and Sender Assembly Connector