List: $36.60
(1) 6 PIN ROUND TRAILER CIRCUIT TESTER
PT7897

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

List: $40.80
(0) 7 PIN ROUND CONNECTOR CLEANERS
PM8024

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

List: $36.60
(0) 4 AND 5 PIN TRAILER CIRCUIT TESTER
PT7866

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

List: $44.95
(0) 7 PIN SPADE TRAILER CIRCUIT TESTER
PT7893

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