IPA 7 Round Pin Trailer Tester

Add to Cart
View Cart (0)


Allows one person to test both male and female 7-round pin tractor-trailer plugs and more. In addition, the tester allows you to jump current to a dead circuit during emergencies so you can still drive your rig. Includes an extra jumper connector.


  • Allows bypassing of malfunctioning circuitry while on the road
  • Slides over 12V supply pin
  • “Winged” tip for easier removal