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Farmall & IHC Tractors Discussion Forum
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One wire Alternater

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Todd L

04-28-2005 13:35:39




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I've got a one wire alternator that I took off my M because the battry would be dead after a week of setting. I was thinking of putting it on my SMTA that I've been overhauling. Is it possible to hook it up as a standard 3 wire? What would need to be changed to do this? Or should I just go to the salvage yard and buy a 3 wire for $25. The one wire that I have is a delco.




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captaink

04-29-2005 12:20:13




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 Re: One wire Alternater in reply to Todd L, 04-28-2005 13:35:39  
If originality is not an issue, I use a DPDT (double pole double throw) switch and run one wire from the switch to the coil and the other to excite the alternator.



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Wayne Swenson

04-28-2005 17:08:36




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 Re: One wire Alternater in reply to Todd L, 04-28-2005 13:35:39  
A friend & fellow Threshing Club member has an electric motor, starter, generator, alternator rebuild shop. He has researched the one wire alternator and can make yours begin charging without reving the engine, etc.
Call 218-736-7065 8 to 5 Central daylight time.
Tell him Wayne sent you!



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Bob

04-28-2005 18:33:32




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 Re: One wire Alternater in reply to Wayne Swenson, 04-28-2005 17:08:36  
Why spend the extra money for a one-wire alternator, when a $2.00 diode or a simple "idiot light" and a piece of wire, will set up a 3-wire, standard system?

And, down the road, if the alternator ever needs changing or repairing, a standard unit will replace it, or standard parts will repair it?

I think the one-wire units have caused endless misery, when one fails down the road, and someone doesn't realize what they have, replaces it with a standard 3-wire unit, and then wonders why it doesn't work.

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Bob

04-28-2005 13:55:49




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 Re: One wire Alternater in reply to Todd L, 04-28-2005 13:35:39  
If you can buy a good standard 3-wire for $25.00, I think you'd be ahead, parts and labor wise.

The regulator needs to be changed, and some of the 1-wire outfits have a different setup instead of the diode trio.

Or, maybe you could find someone who wants the aggravation of a 1-wire outfit and trade with him!

Have you seen the helpfull alternator tips on the MAD site?

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Todd L

04-28-2005 14:13:22




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 Re: One wire Alternater in reply to Bob, 04-28-2005 13:55:49  
Thanks Bob. That Mad site looks like it has some good info. I think I'll go with a 3 wire thatis what I did on my other tractors and it was a easy to rewire job. I tried to trade that one wire to a fella a while back and he just laughed and said he had one under his bench too.



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