How to troubleshoot a trailer electric brake problem?
How to troubleshoot a trailer electric brake problem? Inadequate trailer ground Check for proper grounding. Ground through trailer hitch is inadequate. Broken magnet lead wires Bench check magnets & replace if necessary. Loose wheel bearings Check & adjust bearings. WEAK BRAKES Loose connections Check that all connections are clean and tight. When do you need a selective resistor for trailer brakes? A selective resister Is required when brakes have greater power than is necessary for the weight on the axle. Install selective resistor when necessary Weak or broken springs Check for weak or broken springs & replace if necessary. DRAGGING...