Quote: Originally Posted by
SmoL 
the acc should be ok, it goes off the car battery so wont be more than 9-13v at any given time. It could be less than 12v so you might want to put a mulimeter on it to check. My guess is that it would be ok
Its not really voltage thats the problem, its how much current the components you put on the acc line pull. I think it might only be a 5A fuse, so you can't put too many things on it.