2003 WINNEBAGO SIGHTSEER Electrical System Problems

PREPARING TO GO CAMPING, I STARTED MY WINNEBAGO SIGHTSEER AND POSITIONED IT TO ATTACH MY TOWED VEHICLE. I SHUT OFF THE ENGINE AT THAT POINT. AFTER COMPLETING THE HITCHING PROCEDURE, I ATTEMPTED TO START MY RV. IT WOULD NOT START. AFTER HAVING THE VEHICLE TOWED TO A LOCAL TRUCK DEALERSHIP, THEY FOUND "THAT THE IGNITION SWITCH AND ONE CONNECTOR WAS BURNT." THEY CALLED WINNEBAGO AND "FOUND THAT THERE WAS AN UPDATE RELAY HARNESS FOR THIS PROBLEM" WHICH THEY ORDERED AN INSTALLED. ALTHOUGH THIS OBVIOUSLY WAS A RECURRING PROBLEM (OTHERWISE WHY AN UPDATED KIT), THE SERVICE REP I THEN CONTACTED AT WINNEBAGO, CLAIMED TO HAVE NO KNOWLEDGE OF THIS DEFECTIVE SWITCH AND STATED THERE WAS NO RECALL OR ADVISORY BULLETIN CONCERNING THIS PROBLEM. I DID SOME RUDIMENTARY SEARCHING ON THE INTERNET AND FOUND AT LEAST 2 DIFFERENT COMPLAINTS RE THIS SAME PROBLEM, ONE OF WHICH WAS ON A 2005 SIGHTSEER. I...