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

Silverado trailer plug is made of heavy duty plastic to ensure reliable connection and long service life; Nickel Plated Brass Terminal makes better conductivity!

• GM 7 Way Trailer Plug. This 7-pin trailer connector is ideal for replacing damaged or missing 7-pin OEM connectors, and provides a standard RV blade 7-pin trailer wiring connector for plugging in and towing a trailer.
• Twist-lock Design. GM 7 pin trailer connector adopts twist-lock design, which make it easy to mount the existing socket hole on trucks. Twisted on to hitch just like the original. No additional bracket and hardware required.
• 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.