I know that this is for my keypad and whatnot but what else is this circuit wired to This just started happening too. When the fuse pops the radio quits I wired a new plug for my headlight switch because my old one was burning at the pins. What else could be causing this thank god I havnt locked my keys in my car as I dont have a spare hidden. Yea I leave my keys in my car. Stupid I know