Ford Repair Questions? Ask a Mechanic for Answers ASAP
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From the drivers floorboard you will see where wire harnesses go throug hthe firewall through rubber grommets. You can push a stiff wire through there and pull your wiring through next to it. You can also run the wireing under the door sill that you step on just prior to the floor carpet and there are rubber grommets there as well or you can drill a ew hole there and clear silicone it up to seal it.