Happi Jacks
I have a 2019 Northern Lite with the new style happy jacks the motor is mounted on top of the jack unlike the older model where the motor lay to one side. The passenger rear has a problem when I try ...
Forum Discussion
The issue sounds like an overload problem (maybe corrosion in motor or gears), but then it should cause more issues when raising the camper - lowering puts less load on the motor?
Have you tried switching the jack motor (or the whole jack) with another one to see if the issue moves with the motor?
If the problem stays at the same corner, it is an issue with the control board. Afaik there are only two wires going from the board to each jack, where the polarity is reversed for up/down. In which case a wiring issue would probably manifest in both directions.
The old ones were easy to remove and install, don't know about the new ones. The old ones were also very prone to corrosion issues, I had one seize after two winters. But I haven't heard anything about the new ones yet.
Have you tried switching the jack motor (or the whole jack) with another one to see if the issue moves with the motor?
If the problem stays at the same corner, it is an issue with the control board. Afaik there are only two wires going from the board to each jack, where the polarity is reversed for up/down. In which case a wiring issue would probably manifest in both directions.
The old ones were easy to remove and install, don't know about the new ones. The old ones were also very prone to corrosion issues, I had one seize after two winters. But I haven't heard anything about the new ones yet.
