I have 3 sets of fog lights and two of them are the same set. Same size wire running to all of it and they are hooked to the same ground up front. For the ground there are 3 conectors stacked up on top of each other, one for each fog light set on each side so the left side has a separate ground than the right side. The problem I am having is with one of the sets that are the same I keep melting connectors on the switch and the fuse. They get so hot that they can turn black and brittle. I think it might be a bad ground causing feedback through the line to heat up the connectors. The wire itself doesn't seem to get hot just right at the connectors. Does anyone have any idea as to what could be wrong and how to fix it.

 

Are you using relays? Most switchs arent capable of handling the power youd be sending thru 1 set of fogs let alone 3. If your not using a relay id suggest using one and seeing how that works out.

 

Thanks for the help. I think I will be putting in the relays and each fog light has its own switch and one is being used as a turn signal.