I know this has been (poorly) addressed before but no one ever gives a clear answer of what number location fuse to use to get a constant 12v power for things like Satilite radio. Yeah I know I can tap off the botttom power socket but thats now what I want to do. I need to get it off the fuse box. Any one know what the number of the fuse (the location, not the fuse rating) is?