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Farmall & IHC Tractors Discussion Forum
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I need help rewiring a farmall H

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dave westlund

10-26-2004 17:38:40




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I have a H with a magneto and all the wiring needs to be replaced. Can I still use the 6 volt genarator with a voltage regulator, but put a 12 volt battery on it? I don't have a 6 volt battery. I will hook up the 12 volt battery with the positive post grounded. Will this work? Or am I looking for trouble? I don't want to spend any more money on this tractor that I need to.

Thanks for any help.
dave

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the tractor vet

10-27-2004 10:19:56




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 Re: I need help rewiring a farmall H in reply to dave westlund, 10-26-2004 17:38:40  
I have changed over many of H"s and M"s to 12 volt, but i have the genarator made into a 27 amp 12 volt and replace the reg with a 12 volt reg. and as far as the ground it is the way that you want to have it set up pos. or neg i prefer the neg . ground and change the lite bulbs to 12 volt that way you can use the stock lites . A new wiring can be bought from Case IH and since it is only three wires from the amp gauge and the light switch box you can make it yourself the stock color code is one black wire to the mag in 14 gauge on blue wire of 14 gauge to the field of genarator and one yellow wire of your choise of 12 gauge 0r 10 gauge to the armature posts on the regulator that is mounted on the genarator then make up some short wires from the reg. to the genarator . You can put the wires in that plastic loom and make it look nice or you can spend some big bucks for a roll of the expandabl loom like i use.

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Punchie

10-26-2004 18:46:46




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 Re: I need help rewiring a farmall H in reply to dave westlund, 10-26-2004 17:38:40  
Had an old ac wd I used the way your are going to try , it worked fine for about 3 yrs., I set the one brush to high charge, had lights and all working, with a mag. 6 volt starter, don't over crank the starter it will go bad fast.

But it give up last yr. but Ithink it was the old switch box that stoped things up.


Teddy



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Nebraska Cowman

10-26-2004 17:58:52




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 Re: I need help rewiring a farmall H in reply to dave westlund, 10-26-2004 17:38:40  
you can use a 12 volt battery. Those 6 volt generators put out enough to even keep them charged sometimes. I know I have an M that does. Otherwise just put your battery charger on it once in a while. As a magneto system takes no current once the tractor is started the battery will stay up a long time.



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Adam Whitson

10-26-2004 17:51:09




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 Re: I need help rewiring a farmall H in reply to dave westlund, 10-26-2004 17:38:40  
no, 6 and 12 do not mix. Get a 10si alternator, and a 12v battery and hookem up.

ABW



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