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

Left Side of the Luggage Compartment Components (UQA)


Object Number: 1564451  Size: LF
(1)Audio Amplifier
(2)Audio Amplifier - X1
(3)Audio Amplifier - X2
(4)Audio Amplifier - X3
(5)Speaker - Subwoofer
Figure 2:

Right Side of the Luggage Compartment Components


Object Number: 1972986  Size: LF
(1)Accessory Power Outlet - Rear
Figure 3:

Endgate Components


Object Number: 1972987  Size: LF
(1)Door Lock Actuator - Endgate
(2)Rear Window Wiper Motor
(3)Rear Window Defogger Connector X1
(4)Rear Window Defogger Connector X2
(5)Rear Window Defogger
(6)X901
(7)X450
Figure 4:

Rear of the Vehicle Components


Object Number: 1554837  Size: LF
(1)Center High Mounted Stop Lamp (CHMSL)
(2)License Lamp
(3)Tail/Stop and Turn Signal Lamp - Right
(4)Backup Lamp - Right
(5)Trailer Connector (UY7)
(6)Backup Lamp - Left
(7)Tail/Stop and Turn Signal Lamp - Left