Circuit Tester

Tests power supply from tow vehicle to trailer and determines if vehicle is pr... Tests power supply from tow vehicle to trailer and determines if vehicle is properly wired. Tests both 7-way round and 4-way flat tow plugs. Plug into the vehicle's tow plug and operate lights, brakes and turn signals to test circuits. Reduces trouble... more

The IPA Light Ranger MUTT RV and Utility-Type Trailer Tester reduces guesswork... The IPA Light Ranger MUTT RV and Utility-Type Trailer Tester reduces guesswork and saves time by powering each trailer electrical circuit, allowing for verification of the wiring configuration, ground integrity, short circuit and overload conditions as... more

The Performance Tool Computer-Safe Logistic Probe quickly tests high and low v... The Performance Tool Computer-Safe Logistic Probe quickly tests high and low voltages on all vehicle circuits, including computerized engine and body controls. Works on 6V, 12V and 24V circuits. , LCD Display LED, Product Type Testers. Computer safe,... more

The IPA Heavy Ranger MUTT Trailer Tester for Commercial-Type Trailers reduces ... The IPA Heavy Ranger MUTT Trailer Tester for Commercial-Type Trailers reduces guesswork and saves time by powering each trailer electrical circuit, allowing for verification of the wiring configuration, ground integrity, short circuit and overload... more