WHILE DRIVING, I BEGAN TO SMELL SMOKE IN THE CAB OF MY TRUCK. I THEN OPENED MY WINDOWS AND CONTINUED TO DRIVE FOR ABOUT A 1/4 MILE MORE UNTIL A SURGE OF HEAVY SMOKE BEGAN TO POUR IN TO THE CAB VIA THE A/C VENTS. I STOPPED THE TRUCK, AND OPENED THE HOOD. THE PASSENGER SIDE OF THE ENGINE COMPARTMENT WAS ON FIRE. I CALLED THE FIRE DEPARTMENT AND THEY CAME TO EXTINGUISH THE FIRE ABOUT 10 MINUTES LATER. ALMOST ALL OF THE ELECTRICAL COMPONENTS AND A/C SYSTEM IS BURNT. I'M NOT SURE IF THE TRUCK RUNS, I AM CURRENTLY WAITING FOR IT TO BE REPAIRED. *TR