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

Passenger Compartment, Behind the Rear Seat


Object Number: 593855  Size: LF
(1)Continuously Variable Road Sensing Suspension (CVRSS) Module
(2)Remote Function Actuator (RFA) Module
(3)Radio Amplifier/Radio Interface Module (RIM)
(4)Rear Compartment Relay Center 1
(5)Rear Compartment Relay Center 2
(6)Rear Fuse Block
(7)Body Control Module (PZM)
(8)S410
(9)Rear Compartment Relay Center 3
(10)S430
(11)Automatic Level Control Fuse Block (in the Harness)
(12)P400
(13)S431
(14)Power Door Lock Relay
(15)Rear Compartment Relay Center 4
(16)G403
Figure 2:

Rear of the Vehicle, Below the Passenger Compartment


Object Number: 321436  Size: MF
(1)RH Rear Suspension Postion Sensor Connector
(2)RH Rear Strut Actuator Connector
(3)C412
(4)LH Rear Strut Actuator Connector
(5)LH Rear Suspension Postion Sensor Connector