I just installed a new brake controller. No matter how I set it the trailer brakes seem to apply first and too abruptly. The dealer said that is just the way they are and that makes no sense to me. Th...
All controllers that I have seen have a set of instructions on how to set them up initially. Usually involves an empty parking lot and some control knob (there are two of them) dialing in. Did you do that procedure?
then you go out on the highway and do some tweaking.