you buy factory oem am fm radio cd and upgraded with bluetooth (music only) player fit on Chevy gmc vehicles radio great work.
all light up just fine illumination.
what you see in pictures is what you get.
is unloked
Description;
radio cd player modified.
bluetooth
part #20934592
serial #28256325
fit!!
2007 - 2012 GMC Yukon XL (1500/2500)
the has 4 Chanel output
(please see the connector of the unit and compare with with your radio)
this unit is fully tested and in good working condition.