keeps blowing the fuse. just started today, i have nothing hooked up to the trailer conector, I HAVE NEVER TOWED anything with it. IT just started blowing them. I noticed my dash lights were out so I replaced the fuse also noticed that the tail lights blew. So i replaced the fuse. Now the tail ights keep blowing the fuse. All of the light work fine until the fuse blows ..ANy ideas
