When I set up my brake controller I had neutral braking; not too much trailer not too much truck. On all our travels I have been satisfied with the braking even when braking hard. However I never was ...
Adjustment doesn't help. I have long suspected that the wiring is too small. There's a nice roll of 10awg blue wire in my garage that's been waiting for me to test that theory for a long time. I always seem to have something better to do though..