4-PC. 7-Round-Pin Trailer Harness Tester and Maintenance Set

Verify 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 .Tests tractor electrical circuits .Removes corrosion from truck and trailer connectors .Enhances electrical contact points .Extends harness life .Use as a pin wear gauge

Additional Information

• Country of Origin: TW
• Warranty: C0