7 Way Round RV Connector Trailer Wiring Light Tester

This is a Connection testing device for 7 RV Round trailer plugs, designed to test and confirm your vehicle side wiring is operational for safe towing. The tool and is fast and easy to use, and includes instructions so you can properly activate each light and function for testing. The LED Lights are labeled on the unit and will light up when they receive power from the Vehicle Side.  Simply plug the Tester into your Tow Vehicles 7 way Blade Round Connector and check to see that everything is working appropriately. This device allows you to test for tail, brake, reverse, turn signals, brakes and auxiliary power. This unit also comes equipped with integrated resistors making it compatible with Smart Tow equipped trailering setups. Make sure you are keeping your trailer safe by periodically testing out your truck's wiring with this tool!