Wiring A Gooseneck Trailer For Two Axles with Electric Brakes

Question:

WHAT SIZE WIRE IS USED FROM CONTROL BOX BACK TO PIGTAIL? AND IS IT TWO WIRES USED TO PIGTAIL? AND DOSE THE TRAILER BRAKES WORK ON THE SAME WIRE OR DOSE IT HAVE TWO FOR DIFFERENT AXLES, I HAVE A TWO AXLES TRAILER THANKS

asked by: GENE N

Expert Reply:

Only the blue wire is ran to the trailer brake connection at the rear of the vehicle. This wire should be 10 gauge. The ground for the brake controller is ran to the negative battery post or a suitable ground point on the vehicle. The grounds for the trailer brakes are connected to the trailer frame, the closer to the trailer brakes the better.

If both of your axles have brakes (4 brake assemblies) then you will splice one wire from each of the magnets in the brakes to the brake feed circuit running to the trailer connector. It does not matter which wire you use for the hot wire from the trailer brake magnets. Just make sure one wire from each magnet is grounded and one wire is ran to the trailer brake feed.

I would recommend the Tekonsha Prodigy P2, part # 90885 for your vehicle and trailer. This is the smoothest brake controller I have ever used and is easy to adjust. Any of our brake controllers will work with a 4 brake setup.

expert reply by: Robert G