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

Cell 68: Power, Ground and DLC


Object Number: 371330  Size: FS
Figure 2:

Cell 68: Defrost Actuator, Recirc and Water Cut-Off Vacuum Solenoid Valves


Object Number: 371333  Size: FS
Figure 3:

Cell 68: Inside Air Valve and Floor Air Valve Actuators


Object Number: 371335  Size: FS
Figure 4:

Cell 68: LH and RH Temperature Valve Actuators


Object Number: 371336  Size: FS
Figure 5:

Cell 68: Ambient Light and Temperature Sensors


Object Number: 371331  Size: FS
Figure 6:

Cell 68: LH and RH Air Duct Temp Sensors


Object Number: 371337  Size: FS