Oyviny 7 Pin Trailer Tester, 7-Way Trailer Light Tester, 7 Pin RV Trailer Plug Tester with Red LEDs

7 Way Trailer Plug Tester. 7 flat trailer tester quickly confirms the functionality of your vehicle's trailer wiring harness and effectively test your 7-way blade socket. 📢Note: This tester will not work with vehicle has a lamp-out sensor, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc.
Easy to Test. 7 pin trailer light circuit tester simply plugs into the tow vehicle, turn on the lights, and check the LEDs lights. Each indicator light with a clear tag to inform you that the towing vehicle light is working or not. Play-and-plug, no extra tools or batteries needed. Economical and practical saves you time and money.
Multiple Use. 7 flat rv trailer wiring socket tester tests for brake lights, turn signals, tail lights, reverse lights, electric trailer brakes and auxiliary power. Compatible with standard 7-way blade trailer sockets, can be used to most vehicles with 7 pin vehicle-side socket.
Long Lasting Construction. The shell of connector tester is made of ABS material, with high strength and good toughness. The tin-plated brass terminals are designed to improve conductivity and resistance against wear and corrosion.
Practical Design. 7 way blade trailer wiring tester features 2 handle hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring. Small size for easy carrying and no spare space need to be taken up.

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