Hey everyone I'm needing help with some diode's I'm trying to install on my truck I bought 2 1amp diodes that I'm trying to use on my truck I got them from the parts and they go in a mini fuse holder I hook them up to my battery to see if they did there purpose I had 12v one way and nothing the other which is good doin what there suppose to but when I put them inline and hooked it up to my electric fan they got hot and melted now there's power goin both ways is 1amp to small and the fans pulling to many or what thanks in advance