I have no idea where it came from, sorry. I can ask. I think it's all WR Long, same thing they had to do with my Kubota when it was installed instead that time I got two pushbuttons.
Assuming it’s with the WR Long, do you have the ‘soft ride’ switch? After looking at it, looks nice to have..seems like it may go away if the joystick is swapped out with the WR Long?