4-Wire Flat Tester This Hopkins Towing 48655 4-Wire Flat Tester replaces parts from Caliber Products and Bowdriks Industries and is perfect for replacement or a performance upgrade. .
Hopkins Towing Solution 48655 4-Wire Flat Tester
Hopkins Towing Solution 48715 4-Wire Flat Tester w/6 To 12 Volt Circuit Tester
Hopkins Towing Solutions 48715 4-Wire Flat Tester w/ 6 to 12-Volt Circuit Tester
