I AM TRYING TO ADD A JOYSTICK TO MY 8240 FORD (ENGLISH MADE) AND I CAN,T FIND ANY INFO. THERE IS PLENTY OF INFO FOR OTHER TRACTOR MAKES. I KNOW THAT THE PROPER WAY TO DO THIS IS INSTALL A POWER BEYOND VALVE,MOUNT THE JOYSTICK IN THE CAB AND HOOK THE JOYSTICK TO THE POWER BEYOND VALVE WITH A...