Thanks for the reply.
The joystick is finger joystick. when i operate the pump sound is different depending on how I act. No eroor codes.
I have 3 solenoids down under bracket. When operating the joystick not see any voltage on solenoid. Believe these are proportional solenoids. I suspect computer who control the mast. If you have some documentation on this model truck send to me to study.
Regards
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