TRAILER BRAKES WEREN'T HOOKED UP CORRECTLY, AND/OR WEREN'T INSTALLED CORRECTLY AND CAUSED THE TOW VEHICLE TO HAVE AN ACCIDENT. THE TOW VEHICLE WAS PUSHED DUE TO THE TRAILER BRAKES INOPERATION OR WEAK OPERATION. AS A RESULT, THE TRAILER AND TOW VEHICLE JACK KNIFED, AND CAUSED THE BUMPER TO BEND/BIND INTO THE FENDER OF MY 2017 RAM 3500. THE TRAILER IS UNDER A YEAR OLD UNDER THE TRAILER MANUFACTURE, AND HAS SINCE BEEN REPAIRED UNDER WARRANTY. HOW EVER NORSTAR WILL NOT FIX MY TRUCK WHICH WAS DAMAGED AS A RESULT OF THE TRAILER BRAKES BEING DEFECTIVE.