TL* THE CONTACT OWNS A 2014 KIA SORENTO. THE CONTACT STATED THAT WHILE AT A COMPLETE STOP, A STRONG BURNING ODOR EMITTED INSIDE OF THE VEHICLE. THE VEHICLE WAS MANEUVERED TO THE SIDE OF THE ROAD WHERE THE DRIVER EXITED THE VEHICLE. IN ADDITION, SMALL FLAMES IGNITED FROM THE REAR TRAILER HITCH WIRING HARNESS AND DRIVER'S SIDE TAIL LIGHT. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE AND DISCONNECTED THE BATTERY. THE CONTACT STATED THAT THE FAILURE OCCURRED TWENTY DAYS AFTER THE NEW TRAILER HITCH WAS INSTALLED. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER AND HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 32,000.