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

Top of the Engine


Object Number: 1357986  Size: LF
(1)Fuel Injector 5 (3.5L)
(2)Ignition Coil 5 (3.5L)
(3)Fuel Injector 4
(4)Ignition Coil 4
(5)Fuel Injector 3
(6)Ignition Coil 3
(7)Fuel Injector 2
(8)Ignition Coil 2
(9)Fuel Injector 1
(10)Ignition Coil 1
(11)Engine Oil Pressure (EOP) Sensor
(12)Heated Oxygen Sensor (HO2S) 1
(13)Engine Coolant Temperature (ECT) Sensor Connector
Figure 2:

Center of the I/P


Object Number: 1352015  Size: LF
(1)Turn Signal/Multifunction Switch
(2)Instrument Panel Cluster (IPC)
(3)Hazard Switch
(4)Accessory Switch
(5)Ambient Light Sensor
(6)Radio
(7)Auxiliary Power Outlet 2
(8)Auxiliary Power Outlet 1
(9)HVAC Control Module
(10)Headlamp and Panel Dimmer Switch