Feature

●Waterproof Sealed. Different from normal 7way plug, Oyviny upgraded 7 pole trailer plug equips with detachable compression nut and rubber grommet on the end to keep out moisture, protects the terminals from water and dust
●Sturdy 7 Way Trailer Plug. This male-end 7 pin trailer adapter plug provides a secure connection between your trailer and tow vehicle, 7 pin plug comes ready to splice into your existing trailer wiring to connect taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power
●2 in 1 Design Tester. 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: ??The trailer tester will upside down when testing for 2017 Newer Ford/GMC/Chevy model ??7 pin trailer plug tester is unable to test LED lighting system ??Doesnt work with vehicle has a lamp-out sensor, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc.)
●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
●Simple to Use. No batteries or wiring needed! 7 Blade & 4 Pin Tester is easy to use, ergonomic design is convenient for plugging in or unplugging. Widely used to test trailer light circuits on most Trucks, Boats, Trailers Campers, Caravans, Food Vans and other Towed Vehicles


Description

Oyviny Detachable RV 7 Pin Trailer Plug and 7&4 Trailer Plug Tester