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| 4700 I ran this summer the brown box would fail to display spray star with one or the other of two different screens that had no usable information .
One screen display would allow you to spray but wouldn’t show mph , gpa , pressure or gal left in the tank .
The other display screen wouldn’t allow any hydraulic function to work except steering and ladder . Wheels acted like emergency brake was on , booms wouldn’t move , spray pump wouldn’t work , it would have a message on the screen that it had a wiring fault . Dealer said that since cleaning the grounds didn’t work it needed a $15,000 wiring harness changed . | |
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Jd 4700 sprayer help