Alligator clips allow for use with any power source. Has an 8 amp breaker for circuit protection. Gives you the freedom to check the lights by yourself quickly... 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
For use on 4, 5, 6, 7 spade and 7 round truck and trailer male and female terminals. Maintains continuity and helps prevent circuit failure. Cleans and resizes trailer pins... View Details
Test, clean and restore 4/5 pin trailer connections . Extends harness life. Great preventative maintenance tool... View Details
Test electric brakes, reverse lights and auxiliary on trailers. 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
Allows for a direct connection with trailer ABS. J2497 Power Line Carrier (PLC) communication compatible. View Details
Commercial-type trailer light and electric brakes tester that allows the user to perform all testing functions without the use of the vehicle. Test 7–way round pin. Short circuit protection... View Details
Portable and water resistant trailer light tester and trailer brakes tester that allows the user to perform all testing functions without the use of the vehicle . Tests 7-spade, 6-round and 4/5-flat pin type trailer harnesses. Short circuit protection... View Details
Wirelessly test trailer lights at the trailer hitch using your Bluetooth, smart phone or tablet. Only one person needed for testing - using the app on your smart phone eliminates the need to have someone at the hitch and someone in the drivers seat. Tests running lights, brake lights, reverse lights, turn signals and trailer brake link. View Details
To be used as a memory saver once a battery has been installed. Connects to vehicle battery and 12V cigarette sockets. Can be used with other memory saver products with a female 12V DC port. View Details
One-man testing for male and female 7-Way round pin tractor-trailer plugs. Plugs into vehicle-side socket. LEDs indicate that each circuit is working... 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
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