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

Hollywood Mike's Verified independent store

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Features & Benefits 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/tra iler 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 Includes (1) 7 Round Pin Tractor Trailer Circuit Checker (1) 7 Round Pin Cleaner (1) 2 ml DeoxIT Cleaner Show more