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Farmall & IHC Tractors Discussion Forum
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electrical problem on 140

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hgm

01-11-2005 17:01:22




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My 6 volt 140 tractor has a problem that I can't figure out. Tractor running fine and all of a sudden cuts itself off, just as if the switch was turned off. Have replaced coil, voltage regulator,switch,battery cables, and checked all wires. Tractor may run for 4 ours with no problem, then again it may cut off several times within 1 hour. Your help is appreciated.




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Doug in OR

01-12-2005 08:39:44




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 Re: electrical problem on 140 in reply to hgm, 01-11-2005 17:01:22  
Tell us more. Does it restart quickly after it cuts out? Do you need to wait for the tractor to cool down a bit?

The problem will probably be traced to wiring, the coil, or the condenser. If it does this very shortly after the engine is started, I would put my money on a wiring problem. If it usually does this after the engine his warm and you need to wait a bit before it will restart, I would suspect a coil or condenser problem.

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Bus Driver

01-12-2005 04:30:44




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 Re: electrical problem on 140 in reply to hgm, 01-11-2005 17:01:22  
There is a short wire running from the coil to the side of the distributor. It is called the primary ignition conductor and is absolutely critical to the tractor running. It is often overlooked and ignored. Check the condition of that wire.



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Hermit

01-11-2005 19:27:18




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 Re: electrical problem on 140 in reply to hgm, 01-11-2005 17:01:22  
It sounds like a loose connection somewhere. You might start carrying a small voltmeter with you. Next time it happens, start checking voltages and find out where it's not.



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