HAD SERVICE DONE ON VEHICLE & REPLACED THE OLD BATTERY. WAS DRIVING WHEN SMOKE STARTED UNDER THE HOOD. PULLED OVER & PARKED. LIFTED HOOD & NOTICED FIRE UNDER THE HOOD. FIRE DEPARTMENT CALLED & PUT FLAMES OUT. HAD INDICATED IT WAS ELECTRICAL WIRING FOR THE ALTERNATOR. THE INSURANCE INSPECTOR CHECKED VEHICLE OUT & INDICATED WIRES TO ALTERNATOR BURNED & TOTALED OUT VEHICLE. *AK