USED MY 2006 TOYOTA TACOMA PRERUNNER TO TOW A VEHICLE A SHORT DISTANCE BEFORE A SHORT CIRCUIT IN TRAILER WIRING CAUSED WIRING FIRE IN PRERUNNER---30 AMP FUSE IN TOYOTA FAILED TO PROTECT CIRCUIT, LEADING TO TOTAL TRUCK WIRING MELTDOWN AND RUIN. FUSE WAS OF THE AMPACITY REQUIRED BY TOYOTA--30 AMPS. TRUCK WAS PURCHASED NEW, NEVER INVOLVED IN AN ACCIDENT, AND NO CHANGES HAD BEEN MADE TO WIRING OR FUSE SYSTEMS. AUTO ELECTRIC REPAIR SHOP REQUIRED $2800 IN PARTS AND $2000 FOR LABOR TO REPAIR MELTED WIRING LOOMS AND FUSE BOX; THEY SUGGESTED THAT FAILURE COULD HAVE RESULTED BECAUSE TOYOTA USES A 30 AMP FUSE ON A #12 WIRE CIRCUIT THAT WILL MELT AND BURN BEFORE THE FUSE BLOWS. (12 GAUGE WIRE TYPICALLY MUST BE PROTECTED BY A 20-AMP FUSE.) TOYOTA (CORPORATE) REFUSES TO DEAL WITH MY ISSUE OR TALK TO ME ABOUT WHETHER THE FAILED FUSE AND MELTDOWN COULD HAVE BEEN CAUSED BY THEIR INSTALLING A FUSE WITH TOO HIGH AN AMPACITY RATING BECAUSE I DID NOT HAVE THE REPAIR DONE BY A TOYOTA DEALERSHIP. IS THERE A DANGEROUS DESIGN FLAW WITH THE PRERUNNER? I AM CERTAIN THAT I DID NOTHING TO MY PRERUNNER (AS ITS ONLY OWNER) TO EXPLAIN WHY THE TRUCK NEARLY BURNED UP AND THE WIRING SYSTEM MELTED DOWN (AND WAS COMPLETELY RUINED) SIMPLY BECAUSE OF A SIMPLE SHORT CIRCUIT IN THE TRAILER I TOWED FOR LESS THAN ONE MILE (BEFORE MELTDOWN OCCURRED). I AM HOPEFUL THAT NHTSA MAY BE ABLE TO USE MY INFORMATION TO APPROACH TOYOTA ON THE POTENTIAL DESIGN DEFECT ISSUE AND, CERTAINLY, TO COLLECT MY COMPLAINT WITH AN