Tekonsha 7 Way Blade Tester & Emulator W/Led Display

7-Way Trailer Emulator is used for the proper installation and set-up of a brake control when a trailer is not readily available. Brake control set-up is accomplished using a built-in load module that will simulate electric magnet brakes on a trailer. The emulator will also check electrical continuity of all circuits in the 7-Way blade style connector.WARNING: Cancer and/or Reproductive Harm. See