Quote Originally Posted by Mondo Ken View Post
No too sure what wiring your trailer has on it, but my 2017 Boatmate trailer came with a 6 pin straight connector that plugs in to a 6 straight to 7 round pin adapter then in the 7 pin receiver on my truck.

I turn on my headlights manually (on auto does not work) to disengage the trailer brakes when backing up.

Different.... but it works...
LOL. sounds like your running lights of your truck are connected to the reverse circuit of your trailer. That's not cool! that means that whenever your headlights are on, you don't have working trailer brakes!!! Um, sorry I rear ended you and jackknifed my trailer and my boat is sliding down the freeway. I had my headlights on!!!