List: $36.05
(1) 6 PIN ROUND TRAILER CIRCUIT TESTER
PT7897

Provides an easy-to-connect ground terminal for trailer lighting set-up and traces each lighting function to the terminal in question. Works on most light and medium duty trucks and campers. View Details

List: $40.20
(0) 7 PIN ROUND CONNECTOR CLEANERS
PM8024

Quickly and thoroughly removes corrosion. Doubles as a pin/socket wear gauge indicating whether or not the connection needs to be tightened or replaced. View Details

List: $36.05
(0) 4 AND 5 PIN TRAILER CIRCUIT TESTER
PT7866

Provides an easy-to-connect ground terminal for trailer lighting set-up and traces each lighting function to the terminal in question. Plugs into trailer plug. View Details

List: $44.30
(0) 7 PIN SPADE TRAILER CIRCUIT TESTER
PT7893

Provides an easy-to-connect ground terminal for trailer lighting set-up and traces each lighting function to the terminal in question. Works on most new light trucks, SUVs and RVs. View Details