The IOD Fuse in my truck keeps blowing fuses? I cant even put a new one in before it arcs and blows again. This fuse runs my power mirrors and inside dome lights. Does any body know what else this fuse runs. I am trying to track down the problem. thanks tom

 

that IOD can also run your radio,,., and your dash lights too,, that fuze actually services a bunch of lower aperage draw circuits in the cab.. i had mine go on me once and couldnt figure it out b/c i didnt seee it since it was hidden behind that damn black holder case thing... well either way you have a hot wire shorted to ground somewhere in that circuit ..