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  1. J

    4720 Proportioning Valve Wiring Harness Replacement

    Maybe a few pictures would help. I hope I'm attaching these correctly. If you can see where this harness attaches on your 4720 maybe post a picture. Thanks.
  2. J

    4720 Proportioning Valve Wiring Harness Replacement

    I have a 2007 JD 4720 with a rodent chewed proportioning valve wiring harness wire. I was able to pull the wiring harness out of a channel leading back to the proportional solenoids but there doesn't seem to be a way to get at the other end without splitting the front end. Has anyone else had to...
  3. J

    John Deere 4720 tractor won't start

    I have a JD 4720 that cranks over but won't start. The last time it ran was two months ago and started just fine at that time. I've done a ton of research on this forum but haven't been able to figure it out. Most common problems have pointed to the solenoid or the thermistor. I tested every...
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