BEFORE WE LEFT FOROUR TRIP WE WERE CHECKING THE TIRES AND NOTICE THAT ON OF THE TIRES WERE COMING APART. WE HAD THAT TIRE REPLACED. THEN ON OUR WAY HOME PULLING OUR HEARTLAND CAMPER ON 301 GOING 55MPH ANOTHER TIRE BLOW CAUSED DAMAGED TO THE CAMPER. RIP THE WIRING HARNESS OUT OF CAMPER. *JS