Truck Pin & Terminal Maintenance

Test, clean and restore 4/5 pin trailer connections . Extends harness life. Great preventative maintenance tool... View Details

Test tow circuits from vehicle's 6-way round connector to verify proper lighting and brake operation. Easy to use. Quickly and accurately tests 6-way pin trailer circuits... View Details

Tests trailer circuits quickly and easily on most light and medium-duty trucks and campers. Plugs into vehicle-side socket. LEDs indicate that each circuit is working... View Details

Test, clean and restore 7 round pin connections. Tests tractor electrical circuits. Removes corrosion from truck and trailer connectors... View Details

Tests light circuits: cleans and restores male/female pins. Quickly tests light circuits; cleans and repairs truck and trailer connectors. Extends harness life... View Details

Test light signals coming from tow vehicles with 4/5 flat connectors . Only requires one person to trace each lighting function to the terminal in question. Plugs into trailer plug... View Details