Originally Posted by johnnyhammers

Post this same question in the Pathfinder forum. Surely someone there will know. Also do a search of the Frontier forum for "FSM's" Factory Service Manuals. I came across some a while back, you just follow a link and download them in PDF format for free. The Frontier may have a similar location, and if nothing else, should have exactly the same relay, so you'll at least know what to look for.