When to troubleshoot a trailer brake controller problem?
When to troubleshoot a trailer brake controller problem? by Natalie Lyda. When a problem occurs with a trailer brake controller, it's possible to lose all braking power to the connected trailer's braking system. In order to avoid harsh stops or dangerous towing situations, it is imperative to troubleshoot trailer brake controllers as soon as they display any sign of malfunction. How does a trailer brake controller work on a tow truck? How does a trailer brake controller work? A trailer brake controller uses electricity from the tow vehicle to apply a specific amount of power to the trailer brakes. It...