DRIVER'S SIDE LOW BEAM HEADLIGHT GOES OUT. THE LIGHTBULB IS IN GOOD ORDER. THE PIGTAIL SHOWS SIGNS OF EXCESSIVE HEAT/SMALL FIRE, PLASTIC MELTING, CARBON IN THE METAL CONTACT ON THE LIGHTBULB AND SOCKET. THE PIGTAIL WAS REPLACED AND LASTED APPROXIMATELY ONE MONTH TO SHOW THE SAME ISSUES. I AM AFRAID OF A VEHICLE FIRE. THE VEHICLE'S STABILITRACK IS UNUSABLE, THE WARNING LIGHT IS ON. THE ISSUES HAPPEN WHILE THE VEHICLE IS IN MOTION AND STATIONARY. THE ISSUES HAPPENED SUDDENLY DURING NORMAL CITY/HIGHWAY DRIVING. THE ISSUES ARE ONGOING AND STARTED SIX MONTHS AGO.