I have had a direction issue with this truck for a long time. I have changed the seat switch, brake switch, park brake switch, and both joy sticks. When you sit on it there is no direction sometimes but the raise, lower, tilt and side shift work fine. Have to get off it, turn key off, put in neutral and put park brake on. I then turn the key on sit on seat release park brake, press hard on the brake pedal then put in forward direction and it will work 50% of the time. Any input would be great! I also changed a square box relay in the back that you can hear click when you sit on the seat.
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A new pot will need calibrating, the 335 can be done with the handheld plug in if you can get hold of one
Thanks for the input! Next week I will try it and will check the pot for flat spots with a meter. If I change the pot will I have to calibrate it or just adjust it?
Eric,try this,it work on some series and you'll be sure that acc potentiometer is fail:
Turn off the truck,just sit on it,park brake off,max push acc pedal and than turn on the truck,release acc pedal and try F/B...
erik hef you truck docktor for look for foud code s????
best regards michel
Have you had the accelerator potentiometer checked? Sounds like it might be out of calibration and failing safe.
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