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#610841 01/17/2010 8:47 PM
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'Bolter
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Hello all! This is my first post as I'm a new member. Question: I recently bought a new 6v alternator for use with my 1946 1.5 ton. I have decided to convert to 12v. Can I take the alternator to an electric shop and have it changed over to 12v? I really don't want to buy a new 12v Alt. and be stuck with a 6v I'm not using. Thanks

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Welcome to the 'bolt. May I ask why are you wanting to go to 12 volts?


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What brand is the alternator? It would seem that the only conversion you would need to do would be to install a rotor with a 12 volt field winding instead of the 6 volt one. The stator shouldn't require any alteration. Is it internally-regulated? If so, the electronic regulator will need to be changed, also.
Jerry


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A fellow bolter might like to have a 6V Alt. on his vehicle....then buy you a new 12V is thats the way you want to go.

Last edited by Achipmunk; 01/18/2010 12:22 AM.

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Tiny #610896 01/18/2010 12:38 AM
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Simply put, it's makes everything so much easier form starting to lighting. I converted my Two 1947 Willys jeeps and I'll never go back! I keep my vehicles period except for the 12v conversion. 12v items are less expensive than the 6v counterparts. The 46 truck needs to be rewired as the old is in pretty bad shape. If I'm going to rewire, then I'll go ahead and convert.

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'Bolter
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I bought it from "Jim Carters" and I think it came from a place in Kansas. It's written on the box.

Achipmunk #610899 01/18/2010 12:39 AM
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'Bolter
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That's a good Idea. It would probably cost me more to convert it than to buy another one. Thanks

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In the alternators I work on the 12v rotor is still used for 6v charging only the regulator is changed, a good quality 12v regulator is all you need if you have a standard internaly regulated 10-12SI Delco alt. $6.00 for a 12v reg up here.

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captaintractor or anyone,
Do you have a part number and brand for a 12v regulator either one wire or two, I'm not picky!!! The 10SI has a 12:00 position for the DA plug. Thanks

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If all you have to do is change the internal regulator,i would go that route.They are simple to take a part,hardest part is loading the brush's,and that's not hard .You can also change the clock position when putting it back together.


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bowtietim #619087 02/12/2010 1:39 AM
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WAI global/Transpo part number is D101HD for the heavy duty version, D10SE for self exciting, but the SE's don't work in every unit depends a lot on how the stator is wound. theres also a D10AC self exciting. old Delco number is 1116392, 1116423. If you think you may have a 6volt rotor (never seen one) hook an amp gauge to a 12 volt battery and touch each lead to each of the slip rings on the rotor. your amp gauge should show about 3-5 amps. a 6v rotor would draw twice that at 12v say 6-10v. then find a good used rotor or new, let us know what you find.


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