* The 7 round pin trailer tester identifies faulty circuit on trucks and trailers by attaching to the wire terminals
* Plugs in line to the trailer to allow the truck to power the trailer while you test each circuit
* Also has an emergency bypass feature which allows the user to remove the pin on the faulty circuit and jump power from the 12 volt supply for a temporary fix
* Tests Truck side trailering circuits and Trailer Side Trailering circuits
* Emergency bypass feature allows driver to safely return to show for repairs
* Made from Durable ABS Plastic
* 1 Year Limited Warranty
