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Jd 420 crawler burning point's

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cal

04-07-2003 09:10:20




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I have a 59 jd 420 crawler the point's seem to burn out. I can replace them and operate some time's hour's and sometime's day's before they burn. It will then run on one cylinder and if i hold one of the plug wire's away from the distributor it will run on two cylinder's and if i put the wire back in the distributor it run on one. I'm lost and any help would be great Thank you!




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Rman

04-07-2003 09:44:03




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 Re: jd 420 crawler burning point's in reply to cal, 04-07-2003 09:10:20  
It sounds like you have too much voltage to the points. Check it with a volt meter. it should only be 6 volts. if it is 12 you can get 12 volt points condensor and coil. Or another option would be get a resistor and step it down to 6 volts.



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