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Re: 1944 Farmall H coil/external resistor

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lane Valley

02-20-2013 15:11:01

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No it is already a 12 volt system.

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02-20-2013 15:14:38

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 Re: 1944 Farmall H coil/external resistor in reply to lane Valley, 02-20-2013 15:11:01  
You can get a true 12 volt coil and use it without the resistor, that is probably what you have now--if so I would send the new one back. 12 volt coils are sold by NAPA.

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lane Valley

02-20-2013 15:15:48

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 Re: 1944 Farmall H coil/external resistor in reply to CNKS, 02-20-2013 15:14:38  
I think it is a 12 volt coil. I can use it without the resistor then?

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02-20-2013 18:25:12

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 Re: 1944 Farmall H coil/external resistor in reply to lane Valley, 02-20-2013 15:15:48  
What Jim says. My point is that if your old coil is ok, the 50000 volts won't do anything for you, it's overkill.

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02-20-2013 18:17:21

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 Re: 1944 Farmall H coil/external resistor in reply to lane Valley, 02-20-2013 15:15:48  
No, if it came with a resistor it sure needs it to work with 12volt charging system. It should be OK to use, but it is also true that the voltage is never going to be more than it takes to fire plugs (more like 10 to 14 thousand at the most) thus there is probably no need to use a hot coil unless you are running modified components in a puller. An electronic ignition module for the distributor can help make a hot coil like that work well while not burning out points. If you measure the amps when the ignition is on, and the engine is stopped (OK to do for a minute or so) the amps should be less than 4. If more the points will wear rapidly. Jim

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Lane valley

02-21-2013 08:30:43

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 Re: 1944 Farmall H coil/external resistor in reply to Janicholson, 02-20-2013 18:17:21  
Thanks for the help

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