OVERHEATING OF DOME/INSTRUMENT LIGHT DIMMER SWITCH AND PLUG IN FRONT OF IT CAUGHT FIRE. BURNED PARTS REPLACED. HAPPENED TWICE MORE (WITHOUT FIRE). OVERHEATING IN THIS AREA PERSISTS WHEN HEADLIGHTS ARE ON. ONE HEADLIGHT GETS EXTREMELY HOT. BURNED OUT FRONT FAN MOTOR AND A MONTH LATER FUEL PUMP BURNED OUT.