Oyviny 7 Pin to 5 Pin Trailer Adapter + 7 Way Blade & 4 Pin Trailer Light Circuit Tester

Trailer harness adapter constructed with molded 7 way rv plug, which is sturdy and weather resistant.

• 7 Pin to 5 Way Trailer Adapter. This 7 to 5 trailer connector converts your vehicle’s 7 way rv blade connector to a 5 way flat connector on your trailer, great for running power from your vehicle, Standard 5 pin harness plug connects ground, running light, Left turn/brake, Right turn/brake and reverse light.
• 7 Way to 5 Way trailer connector adapter is super easy to install, simply plug the rv blade 7 pin connector into the existing 7 pin socket on your truck, and plug the 5 pin connector to your trailer, easy plug and play installation.
• 2 in 1 Design. 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.
• Acts as a 7 Pin to 4 Pin Trailer Plug Adapter. 7 way rv trailer tester can be also used as a 7 way to 4 way trailer adapter, converts the vehicle-side 7 pin output to a 4 pin flat adapter to connect the 4 way trailer light plug.
• 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