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

Under Rear Of Vehicle


Object Number: 593170  Size: SF
(1) Automatic Level Control (ALC) Harness
(2) Air Fitting
(3) Automatic Level Control (ALC) Compressor Assembly
(4)Air Tube Assembly
Figure 2:

Under Left Rear of Vehicle


Object Number: 593173  Size: SF
(1)Automatic Level Control (ALC) Sensor
(2)Suspension Position Sensor Link
Figure 3:

Inside Luggage Compartment


Object Number: 593176  Size: SF
(1)Air Inflator Tube
(2)Accessory Inflator Switch Harness
Figure 4:

Behind Upper Rear Seat Cushion


Object Number: 593178  Size: SF
(1)Rear Integration Module (RIM) C1
(2)Rear Integration Module (RIM) C2