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2,400 Posts
This kit was designed to keep the stock relays and harness from burning by replacing it. mine would burn almost everyday with this kit I never had to worry about it again. if you did everything in the instructions how you were sopposed you you shouldn't have a problem. And I don't remember messing with the tank sensor the stock fan harness does come off or else how can you plug the new one in. The new harness even has a ground that goes where there is a chassis ground on the fender where the battery is.