xm radio ,Im looking for factory xm radio for my 04 ava.

Im looking for a factory xm radio for my 04 ava.Wher can I get one.

Ebay

See if you can find one with the antenna and wiring harness. It may take some time but you will find them there.

Or maybe a junk yard they are all the same 03 - 06 GM Trucks
Ebay Link Antenna is 30 buck, but no wiring harness included