IPA 7865L 7 Round Pin Tractor Trailer Circuit Tester

Test, clean and restore 7 round pin connections. This kit contains a trailer light tester that will verify the tow vehicle is sending proper signal to the connector, while cleaning tools remove corrosion and verify proper pin size on both male and female truck/trailer plugs. When added to your preventative maintenance techniques, it will keep your trailer lights on! For use with 7 round connectors.