WHILE DRIVING ALONG THE BOULEVARD AT 15 MPH, THE SMELL OF BURNING ELECTRICAL WIRES BECAME MORE PRONOUNCED. WHEN I LOOKED THROUGH THE REAR VIEW MIRROR I SAW FIRE DROPPING FROM THE REAR PASSENGER SIDE SPEAKER ENDANGERING THE LIVES OF THE PASSENGERS AND DAMAGING OUR POSSESIONS IN THE CARGO SECTION. I NOTIFIED THE FIRE DEPARTMENT AND THEY EXTINGUISHED THE FIRE.*AK