The contact owns a 2010 Jeep Liberty. The contact stated while her husband was driving approximately 60 MPH, the driver lowered the driver's side window when a smoke odor was present. The driver saw a flame burst from the door-mounted electrical panel with the door lock and window controls. The contact blew the flames out and then returned to the residence. The contact mentioned that her husband's clothes had a strong smoke odor due to the failure. No warning light was illuminated. A dealer was not contacted. The vehicle was not diagnosed or repaired. Additionally, the contact stated that before the electrical fire, during brake work on the vehicle, a mechanic had advised that a wire harness on the tow hitch had melted and had warned the contact not to use the tow hitch. The manufacturer was not notified of the failure. The failure mileage was approximately 166,000.