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TowSmart 4-Way LED Trailer Light Tester

Item # 880417
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  • Tests trailer plugs on towing vehicles

  • Illuminates to show if working properly

Product Summary

The TowSmart 4-Way LED Trailer Light Tester is great for testing 4-way flat towing vehicles. This tester can be used to make sure your turn signals, tail, and brake lights are working on your towing vehicle. The LED lights will illuminate to show if connections are working properly.