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

Radio


Object Number: 399297  Size: LF
(1)Radio
Figure 2:

Lower Center of Instrument Panel


Object Number: 587183  Size: MF
(1)Radio
(2)Radio Connectors
Figure 3:

Leading Edge of Front Door (RPO UX7/U62)


Object Number: 590816  Size: LF
(1)Front Radio Speaker
(2)Front Radio Speaker Connector
Figure 4:

Forward Leading Edge of Front Door (w/ RPO UX7)


Object Number: 587180  Size: LF
(1)Front Radio Speaker (Tweeter)
(2)Front Radio Speaker (Midrange)
Figure 5:

Right Side of Rear Package Shelf


Object Number: 590818  Size: LF
(1)Rear Radio Speaker
Figure 6:

Radio Mast Antenna


Object Number: 399295  Size: LF