Oyviny RV 7 Way Trailer Plug Blade Connector + 7 Way Blade & 5/4 Pin Trailer Light Circuit Tester

For long-lasting use, this 7 blade RV trailer tester is made from durable ABS plastic, which will never rust or corrode. Tin-Plated copper terminals makes great conductivity.

• 7 Blade Trailer Connector. 7 way female trailer plug comes ready to splice into your existing trailer wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
• Easy to grip. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this 7 pin electrical plug. 7 way female trailer plug features 2 handle hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring.
• 3 in 1 Design. This trailer light tester combines both 5 way circuit tester and 7 way trailer light tester, allows you to test the 4 pin flat,5 pin flat and the 7 blade connectors. Easy and quick to test trailer circuits on most trucks. Upgraded Double-sided design allow you to read the LEDs from both top and bottom sides!
• Acts as a 7 Pin to 5 Pin Trailer Plug Adapter. 7 way rv trailer tester can be also used as a 7 way to 5 way trailer adapter, converts the vehicle-side 7 pin output to a 5 pin flat adapter to connect the 5 way or 4 way trailer light plug.
• Bright LED Indicators. Plug in 5 way and 7 way trailer light tester equips a LED light for each electrical function. Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem.