Tach not working correctly

/ Tach not working correctly #1  

cperky

Gold Member
Joined
Mar 20, 2004
Messages
250
Location
Middle TN
Tractor
John Deere 1025r with 120r front end loader, Hustler zero turn mower
My hour meter and tachometer work when I first start the tractor but after ten or fifteen minutes they both stop working. Also after turning on PTO they will also stop working. Just to be clear they both stop after a few minutes whether I turn on PTO or not ,but always stop as soon as I turn on PTO . The tractor is a MF-1140 30hp

Any suggestions on were to start?
 

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