TL*- WHILE DRIVING AT 30 MPH THE 2005 NISSAN ALTIMA CAUGHT ON FIRE. THE CONTACT SMELLED A BURNING ODOR, BUT WASN'T QUITE SURE WHERE IT WAS COMING FROM UNTIL A BYSTANDER INFORMED HER THAT THE VEHICLE WAS ON FIRE. THE FIRE STARTED UNDERNEATH THE VEHICLE BY THE ACCELERATOR PEDAL, CONTINUING TO BURN UNDERNEATH THE HOOD. THE INSURANCE COMPANY STATED THAT THE CAUSE OF THE FIRE WAS THE MAIN WIRING HARNESS. THE CONTACT COULD PROVIDE PICTURES OF VEHICLE IF NEEDED. THE FAILURE AND CURRENT MILEAGE WERE BOTH 18000.*AK