Features and Benefits:

• Allows bypassing of troubled circuitry while on the road.
• Packaged with an extra jumper connector
• Plugs into the vehicle side socket
• LEDs indicate that each circuit is working
• Eliminates guesswork
• “Winged” grip for easy removal from electrical connector


“One-Man Testing” for Male and Female 7-Way Round Pin Tractor Trailer Plugs.