I have a 2004 arctic fox 990 camper, the radio stopped working and figured out it wasn't getting power so i found a 12v source and it works. Now the florescent light by the back door doesn't work, its...
Did you check the fuses? maybe you blew the fuse to the radio and now you've overloaded the feed for the light fixture by running the radio off of it and now blown that fuse too?