Radio stays on when i open the doors

[ROBDOG]

On my 2007 Yukon, Start the car fine drive it to work cut the engine and pull the key out the radio still plays....when i open the door it the radio DOES NOT shut off.

Nothing has been doon to it ...it just started a week ago
yesterday i put in a new battery because it still had the orignal battery(4-5 years old)was weak....but it still does!!

Any help
Thanks!!!

 

[Modded]

Probably a faulty retained accessory power relay.
More than likely that's not all that stays on. Should be an easy fix if you can find that relay.