Sounds like you got a power draw somewhere. Time to start chasing wires!
---------- Post added at 02:48 PM ---------- Previous post was at 02:45 PM ----------
Originally Posted by Brett Greene
Test the voltage of the battery. Sounds like an alternator problem more than likely.
The alternator wouldn't be causing a draw when nothing's on. If your alternator is bad, it will just be running off battery when everything is on. Best way I can word it.