I usually work on a lot of older machines some electric and some lpg that's good that you programed the truck l have worked on some orderpickers with curis controller the ones l worked on with height problems usually was bad height encoders they would not count as the platform was lifting or had bad 24inch proxswitches that would make the truck drive slow there is a company near me that repairs most controller and sells rebuilt or new they are factory cutis repair site.As far as Jamaica me and my wife have gone to montego bay approx 14 times we stay at sandlers royal or montego bay we haven gone in in a long while was there in 2001 last time. It is beautiful there.