Jack is really junk. Cable inside the head is very poor quality and you must remove the whole head from the roof to replace or repair the foot long piece of junk made in China, China (as opposed to China, Mexico).
I think mine broke for the second time before I traded the trailer.
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Charles Myatt
2009 Duramax w/Transfer Flow Fuel Tank
2017 Rockwood Windjammer 3029
Location: Chicago, Rochester now GA/SC at Lake Hartwell
Posts: 197
"An age thing"...whoa...that's a new one. My SENSAR is 16 years old...works nearly as well as my 40' Winegard in the house. Sensar is amplified, Winegard is not.