Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct.
- Black plastic
- Tests the following Circuits: Left Turn, Right Turn, Brakes, Tails, Electric Brakes, and 12v Charge line.
- Might not test Electric Brakes correctly when used with Factory OEM brake controllers and after market proportional controllers.
picture_as_pdf Download 20116 Instructions
