5 Prong Trailer Plug

5 Prong Trailer Plug. Allows Convenient Connection to Multiple Trailers. More posts: On Off Relay Switch.

WESBAR 002275 25 FOOT 5 PRONG MALE PLUG BOAT TRAILER ... (Mae Baker)

I wouldn't rely on the trailer as a valid test case. More posts: On Off Relay Switch. How To Plug In Christmas Lights Without Outdoor Outlet.

A prong on our Onan generator melted this weekend while my son has the rv at the race.

Allows Convenient Connection to Multiple Trailers.

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It's more likely the trailer's wiring is messed up than the truck's. It seems to me that if all the trailer manufacters would have some kind of standard plug things would be a lot easier. You've connected the trailer to the vehicle, but the turn signals and brake lights don't work.