DROVE VEHILCE ALL DAY. IN TOWN-VARIOUS JOB SITES. PARKED VEHICLE IN FRONT OF OFFICE . APPROXIMATELY 45 MINUTES LATER HEARD LOUD POPPING. FOUND VEHICLE'S FRONT END COMPLETELY ENGULFED IN FLAMES. FIRE DEPARTMENT SAID MOST LIKELY DUE TO WIRING.*AK CRUISE CONTROL HAD STOPPED WORKING MONTH PRIOR.