Tester plugs into tow vehicle and LED illuminates to show if connectors are correct and working. Check turn signals, tail and brake lights on your trailer.
- Reliably identifies which circuits in trailer’s electrical wiring are having issues
- Inline tester
- Plugs into wiring harness and indicator light illuminated if a circuit is faulty
- Can help identify issues with the taillights and ground
- Also identifies issues with left and right turn signals
- Reliably identifies which circuits in trailer’s electrical wiring are having issues
- Inline tester
- Plugs into wiring harness and indicator light illuminated if a circuit is faulty
- Can help identify issues with the taillights and ground
- Also identifies issues with left and right turn signals