Go BottomJD 4310 WILL NOT MOVE
 | mvswarren
Join Date: Aug 2009 Posts: 4 Morganton, Ga. 
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2009-08-24 165214
I PULLED MY 4310 UP TO MY SHED TO LOAD CORN IN THE BUCKET TO FEED THE DEER. I PUT THE BRAKE ON, LEFT THE TRACTOR RUNNING, PUT THE CORN IN THE BUCKET, GOT BACK ON AND PUSHED THE REVERSE PEDDLE AND THE TRACTOR WOULD NOT MOVE. IT IS A EHYDRO. SO IT HAS THE SEPERATE FORWARD AND REVERSE PEDDLES. CAN SOME ONE HELP?
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 | kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon 
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2009-08-24 165216
There is a diagnostic light on the console to the right of the seat. Is it flashing a code? Should be a four flash sequence made up of long and/or short flashes in a pattern that repeats. Post back what it's doing and it may point to the problem. ....
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| mvswarren
Join Date: Aug 2009 Posts: 4 Morganton, Ga.
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2009-08-24 165217
WHEN I LOOKED AT IT SATERDAY I SAW TW0 SHORT, AND TWO LONG. ....
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| kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon
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2009-08-24 165218
Two short, two long is sensor supply voltage out of range. Unfortunately the tech manual doesn't say which sensor, there's a few of them. First thing is to check fuses and relays, maybe reseat them in the panel. Also there are some wire harnesses that run beneath the tractor. Sometimes these catch on sticks or brush and connections are torn loose. Could be there was a wire hanging by a thread that let go. It would be worth crawling underneath and following the visible harnesses to see if there's any loose or broken wires. ....
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| mvswarren
Join Date: Aug 2009 Posts: 4 Morganton, Ga.
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2009-08-24 165220
LAST WEEK MY PTO QUIT. I FOUND A MESSAGE THAT WAS SIMULAR, IT WAS DATED 5-31-09. BY READING IT, I FOUND THE WIRE TORN FROM THE PLUG THAT HITS BOTH SILANOIDS. I REMOVED THE SILANOIDS AND REPAIRED THE PLUG. THAT WORKS FINE NOW. WERE OR WHAT LOCATION UNDER THE TRACTOR SHOULD I LOOK FOR A WIRE PARTAINING TO THE PETTLES? FROM DAY ONE, THERE ARE WIRE PLUGS ON THIS TRACTOR THAT HAVE NEVER HAD A WIRE PLUGGED INTO IT. THANKS. ....
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| kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon
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2009-08-24 165223
There are forward and reverse potentiometers at the base of the pedals but there's a different fault code for those.
It looks like there are two sensors that may be affected, the flywheel speed sensor and the MFWD speed sensor. If the MFWD is engaged you might try disengaging that and seeing if the tractor will move.
From the small picture it looks like the flywheel speed sensor connects to the main wiring harness under the tractor. There is a tee in the main wiring harness that ends in a three wire connector. This connects to another connector that comes from the flywheel speed sensor. I could be wrong, it's hard to tell, so if you don't see something like this you might look at the back of the engine in the flywheel area for a sensor and follow it to the main harness.
It looks like the MFWD sensor connects to the main wiring harness underneath by the front power steering cylinder. Again there is a tee with three wires leading to a connector that leads to the MFWD sensor.
Good luck. ....
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| kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon
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2009-08-25 165253
Sorry, I gave you some bad information.
The MFWD sensor for eHydro is located in the area on the left side of the seat but it's hard to say if it's above the floorboord or underneath.
The flywheel speed sensor is located somewhere under the fuel gauge sensor. ....
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