I recently did the fod light mod with taping into the illum. fuse, also I rewired so the switch would light up anytime the fogs were on. All I did was just taped the wire i used to power the fog into the switch wire and taped another to ground it. I did not cut the wires to the switch just taped into them. After a few days the light switch fuse under the engine bay blew, i replaced it try it again and it worked fine, why would a fuse be fine for a while then all the sudden blow?