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

Left Rear Of Engine Compartment


Object Number: 327352  Size: LF
(1)Cruise Control Module
(2)Brake Fluid Level Indicator Sensor
Figure 2:

Engine Coolant Level Indicator Module -- RH Side of Radiator


Object Number: 305329  Size: SH
(1)Radiator
(2)Engine Coolant Level Indicator Module
Figure 3:

Starter -- Lower Front of Engine Compartment


Object Number: 305308  Size: LF
(1)Positive Battery Cable
(2)G113/G117 Engine Grounds
(3)Starter Assembly
(4)Engine Oil Level Indicator Switch
(5)Knock Sensor (Bank 1)
Figure 4:

Engine Oil Level Switch


Object Number: 181269  Size: SF
(1)Engine Oil Level Switch
Figure 5:

Right Rear of Engine


Object Number: 374684  Size: LF
(1)Engine Oil Pressure Indicator Switch
(2)Engine Oil Pressure Indicator Switch Connector
(3)Vehicle Speed Sensor
(4)Vehicle Speed Sensor Connector
(5)C125
(6)Knock Sensor Jumper Cable
Figure 6:

Center of Oil Pan


Object Number: 327463  Size: SF
(1)Engine Oil Level Indicator Switch
(2)Engine Oil Pan
Figure 7:

Top of Instrument Panel


Object Number: 374732  Size: LF
(1)Instrument Cluster Head-Up Display (HUD) Module
(2)S209
(3)S219
(4)S289
(5)S290
(6)Instrument Cluster C1
(7)Instrument Cluster C2
(8)Instrument Cluster Head-Up Display (HUD) Connector
Figure 8:

Instrument Panel


Object Number: 374735  Size: LF
(1)Instrument Cluster Head-Up Display (HUD) Dimmer Switch
(2)Instrument Cluster Head-Up Display (HUD) Dimmer Switch Connector