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Harry Ferguson Tractors Discussion Forum
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electrical

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delane hawkins

09-14-2004 12:40:06




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i have a to30 ferguson. i am stumped on a problem.i am getting spark from the points off and on. i have replaced the coil and new points. it is like it will fire one minute and when i turn tractor off and try to start it again i dont have spark or fire. it is a 6 volt system. any help or suggestions would be helpful. this seems like an intermittent problem i also put a new key switch on. it is acting like a short but i checked all my wiring to the distributer and i am getting continunity through all wiring. thanks for anyones help

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Jerry/MT

09-14-2004 15:05:56




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 Re: electrical in reply to delane hawkins, 09-14-2004 12:40:06  
The six volt systems are supposed to be positive ground. Is yours? Check that all the connections in the primary circuit are clean and tight ("bright anf tight"). If it is an intermittent problem look for cracks and loosness at all the connections. Check for continuity between the points and the coil connection at the distributor.



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James, UK

09-14-2004 13:08:16




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 Re: electrical in reply to delane hawkins, 09-14-2004 12:40:06  
If it is old wiring it is possible that you have a stress fracture on the copper conductors inside the insulated cable where you cannot see it. This will give the symptoms you describe as sometimes the break will connect, and sometimes it won't.

Easiest is a rewire - all of three wires for the ignition.

JMHO



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John (UK)

09-14-2004 13:11:41




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 Re: electrical in reply to James, UK, 09-14-2004 13:08:16  
Check the insulating washer/spacer that goes through the side of the distributor with the low tension lead fastened to it. Sometimes it gets worn and grounds itself on the distributor body and any vibration will ground it.



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Jim W

09-14-2004 15:21:28




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 Re: electrical in reply to John (UK), 09-14-2004 13:11:41  
could be the condenser



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