Deluxe EZ Troubleshooter II 4 Way Circuit Tester


Plug tester into vehicle's conventional 4-prong flat towing plug. Operate vehicle's turn signals, lights and brakes!

When power is present, circuit's green light will glow. Built-in male and female ends so it never has to be removed.

Save time de-bugging trailer light problems!

  • Turn signals
  • Tail lights
  • Brake lights
  • Waterproof PVC material

Collections: Trailer Accessories

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