Update - I e-mailed Gulfstream & Bigfoot, they both responded, the Tech from Bigfoot said the solenoids were sicking causing the run on. They recommend replacing them in pairs - one to retract & one to level for each Jack. They cost 32.00 each (times
and the good news --- it worked. It's was lots of fun replace them, working upside down in tight spot.
Thanks for the help.