Quickly Test, Clean and Repair Truck and Trailer Connections.

The included tester will verify tow vehicle is sending proper signal to the connector, while the cleaning tools remove corrosion and verify proper pin size on both male and female truck/trailer plugs. For use with 7-way round connectors.

Features and Benefits:

• Tests tractor electrical circuits
• Removes corrosion from truck and trailer connectors
• Great preventative maintenance tools
• Enhances electrical contact points and extends harness life
• Promote safety and limit road hazards
• Connector cleaners can be used as a pin wear gauge

Includes:

• 7-Way Round Pin Tractor Trailer Circuit Tester (#7865L) • 7-Way Round Pin Connector Cleaners (#8024) • 2 ml Contact Cleaner (#8030)