7 way trailer plug issue...
I have an '09 Ford F450, and I've got an 'ongoing' trailer brake issue. I've taken the truck to my local Ford dealer ($100.00+ to check) and said they could find no problem, but if it still doesn't ...
Forum Discussion
Make sure your brake lights still work. It sounds like the controller doesn't see them so it's not applying the brakes.
The fact that the controller can be manually activated and it applies the trailer brakes tells me the trailer is fine.
The fact that the controller can be manually activated and it applies the trailer brakes tells me the trailer is fine.
