The trailer brake controller that has worked fine for the past five years. Now all of a sudden, my trailer brakes won't operate. I tested the voltage between ground and the trailer brakes at the connection plug at the rear of the truck, and even with no braking applied, there is a constant voltage that pulses between 3 and 3.5 volts. Not sure what this means, but if anyone can tell me what I should try next to diagnose this issue, it would be much appreciated. Trying to understand if there is an issue with the truck itself, or the trailer.
have the same problem?
Monday, July 1st, 2019 AT 9:58 AM