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John Deere 430
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||I have a 430 John Deere that the mower deck drops out and when it starts it continues no matter how many times you reset it. Also after it does this foe awhile the engine starts to cut out and will finally die. I have replaced the pto switch and the seat switch. It didn't make any difference. Are there any other switches that could cause these symptoms?
||It sounds like the tractor's electrical charging system isn't generating enough electricity to keep the PTO energized (the PTO is a big electromagnetic clutch) The clue being that the PTO fails first, then later there isn't enough elctricity to power the motor's ignition system and the motor dies.
||I never have a problem with the battery being low...is that seperate from the engine charging system...I did notice a couple of times the charge light flicker a bit just before the engine shuts down....
||If your battery is always charged, then I have no idea what could be causing the problem, it's an electrical glitch somewhere, and you need some one better at electronics than me.