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4 Way to 4 and 7 Way Trailer Adapter + 4 & 7 Way Trailer Circuit Tester

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$24.70 cheaper than the new price!!

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New  $41.16
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Product details

Management number 211812211 Release Date 2026/04/04 List Price $16.46 Model Number 211812211
Category

4 Way to 4 and 7 Way Trailer Adapter + 4 & 7 Way Trailer Circuit Tester

  • This dual-output 4 pin to 4 pin and 7 pin trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, it features both 4 Pin and 7 Pin connector in case you have multiple trailers with different connectors
  • 2 way trailer wiring adapter offers a trusted power supply for towing, works on most vehicle wiring component like turn signals, brakes light, taillights and auxiliary power(some splicing required)
  • 2 in 1 Design. This trailer light tester combines both 4 way circuit tester and 7 way trailer light tester, allows you to test both the 4 pin and the 7 blade connectors. Easy and quick to test trailer circuits on most trucks. ( Notes: ๐Ÿ“ขThe trailer tester will upside down when plug into 2017 Newer Ford/GMC/Chevy model ๐Ÿ“ขThis 7 pin trailer plug tester is unable to test LED lighting system)
  • 6 Light Functions. Versatile trailer wiring tester can be used to test 6 separate trailer light functions, quickly confirm the functionality of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power on your vehicle
  • Durable Construction. For long-lasting use, Connectors are made from durable ABS plastic, which will never rust or corrode. Tin-Plated copper terminals makes great conductivity

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