2004 NISSAN FRONTIER. DRIVER WAS PULLING A PICKUP TRUCK ON A TOW DOLLY. ANOTHER MOTORIST POINTED AT THE TOWED VEHICLE THEN THE DRIVER PULLED ON THE BERM AND DISCOVERED THE TOWED PICKUP WAS BURNING FROM THE UNDERSIDE, FIRE WAS PUT OUT. *NJ THE VEHICLE HAD AN AUTOMATIC TRANSMISSION AND THE DRIVESHAFT WAS NOT DISCONNECTED WHICH APPEARED TO HAVE OVERHEATED THE TRANSMISSION, WHICH CAUSED THE FIRE. OHIO TRAFFIC CRASH REPORT 10-0598-90. *JB