I trouble with my original electric jack that started when I attempted to drop the tt off at the storage place after the PDI. It blew fuses one after another including another 3 with the service tech while he tried to unhitch.
Dealership had it wired for a 30amp fuse only to find out from the manufactor that it was designed for a relay instead. Guess someone didn't read the directions.
Dealer replaced and upgraded electric jack and there's been zero problem in the 20 months since.
Sorry that you are going through this - it's not much fun.
Great choice for "Living within my means" and camping for one...
2011 Salem Cruise Lite 20RBXL & 2011 Toyota Tundra Dbl Cab
Camping History: 45 Trips / 133 Nights / 3736 Miles
FRF Social Group: Campers of the West