JD 770 - Engine stalls when put in any gear


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JD 770 - Engine stalls when put in any gear

Chris Tractor starts fine. Engine stalls as soon as I move gearshift out of Neutral.
Brewster Stalls gently like you shut the key off, or stalls rudely with the engine laboring,like a mechanical problem? Safety switches all over these things, does it generally stall if you take your weight off the seat, and does it still do that now? It has to be in neutral to start, does the clutch need to be pushed in as well?
Chris Stalls gently as if I turned the key off. Tractor starts and engine idles fine while in Neutral whether or not clutch is in. As soon as I switch into gear, tractor stalls (even before letting out the clutch).
Brewster Do you feel comfortable troubleshooting electrics? According to the parts breakdown (jdparts.deere.com), you will need to sign up, if you haven't already(free parts illustrations for us all) It shows two neutral safety switches, which I'm guessing, have to work together in unison. If one is bad, it would exhibit a problem similar to what you describe. Please check the function of the seat switch while your right there.
Chris Well, I'm somewhat comfortable. I see the diagrams you mention, but I find them hard to read and I can't pinpoint exactly which parts are the switches. I will most likely haul it into a nearby dealer to have fixed. Was hoping it was something simple I could handle. Thanks for your input.
Ken Chris, I would suggest tilting the seat forward and making sure the seat switch bracket assembly is sitting on top of the 2 seat springs that are there. That whole assembly can be picked up and moved so as to make it look like all is good.


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