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Farmall & IHC Tractors Discussion Forum
Show Parts for Model:

Re: 404 resistor wire

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hayfarmer

03-07-2013 17:51:29
71.80.194.62



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Was the wire used to bi pass the resister for starting? If so it is no longer needed.




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hrtuffenuff

03-07-2013 17:56:13
68.33.200.109



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 Re: 404 resistor wire in reply to hayfarmer, 03-07-2013 17:51:29  
yes, this is a original wire.I was never sure what they were for. I know that they are on several models.



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Bob M

03-07-2013 18:12:50
66.195.235.242



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 Re: 404 resistor wire in reply to hrtuffenuff, 03-07-2013 17:56:13  
You can eliminate the resistor wire and it should work fine.

The resistor wire was used originally so a 6 volt coil could be used on a 12 volt tractor (it dropped primary voltage to the coil to 6 volts). However when the starter was engaged the resistor wire was bypassed so the coil received full battery voltage during cranking. This gives a hotter spark while cranking and thus more reliable starting - especially as plugs, points, etc became worn.

Just keep your 404 in good tune and you should have no starting problems.

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