Trailer

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

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

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. Includes: (1) 4/5 Pin Terminal Cleaner, (1) 6-Way Round Pin Terminal Cleaner, (2) 7-Way Flat/Spade Pin Terminal Cleaners, (2) 7-Way Round Pin Terminal Cleaners, SWAB-EEZ®, and (1) 2ml DeoxIT® Contact Cleaner... 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

For commercial truck and trailer connectors. For male and female 7 round pin truck/trailer connections. Maintains continuity and prevents circuit failure... 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

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

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

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