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12v conversion questions

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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jefscoupe
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12v conversion questions

Postby jefscoupe » Mon May 22, 2017 9:13 am

I've searched the archives and can't find the answer to this question:
If I convert my 48 Super A to 12v neg ground, will the stock starter still turn the correct direction?

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Slim140
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Re: 12v conversion questions

Postby Slim140 » Mon May 22, 2017 9:36 am

Shouldn't matter if it's positive or negative ground it will still turn the correct way.
Every home is a school, what are you teaching?

Circle of Safety

jefscoupe
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Re: 12v conversion questions

Postby jefscoupe » Mon May 22, 2017 10:04 am

Thanks.
I ask this because when playing with small D.C. motors as a kid, when I reversed the polarity the motor turned the opposite way.
I assume it has to do with the way the motors are made, wound and whatever.
I ordered a stock starter (with fingers crossed) and it should be here in a few days.
I have a one wire alternator and wiring harness already.
Hope to get a chance to work on it soon.
I may have more questions coming.
Thanks again!

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Slim140
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1970 International 140
1972 International 140
1949 John Deere A
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1965 John Deere 110
1961 Cub Cadet Original
Circle of Safety: Y

Re: 12v conversion questions

Postby Slim140 » Mon May 22, 2017 10:26 am

Your welcome.
Every home is a school, what are you teaching?

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Lt.Mike
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Re: 12v conversion questions

Postby Lt.Mike » Sat May 27, 2017 8:04 pm

I remember when I was a kid I had a plug in clock that ran in reverse if you flipped the plug in the socket.
Quote by Gary Pickeral I like
"If it can cast a shadow, it can be restored"

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Lt.Mike
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Posts: 2499
Joined: Sun Feb 17, 2008 2:38 am
Zip Code: 07727
Tractors Owned: 1 -'58 International Cub Lo-Boy
2 - '46 International A's
2 - '52 Farmall Cubs
1 - '53 Farmall Super A
1 - ‘41 Ford 9N with a ‘49 8N Engine
1 - ‘48 (5641) Allis Chalmers G
Location: Farmingdale NJ

Re: 12v conversion questions

Postby Lt.Mike » Mon May 29, 2017 8:53 am

stock starter, fingers crossed

If your worried about the the stock 6v starter holding up to a 12v system don't.
I have a Cub and '46 A that have been converted to 12v and they're fine. I rebuilt the Cubs starter a couple of years ago but I don't think being run with12v had anything to do with its failure.
It was a worn out mess. 6v 12v, it was on its way out either way. It's been fine since and along with the A they both get used regularly.
Mike
Quote by Gary Pickeral I like
"If it can cast a shadow, it can be restored"

tinnerjohn
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Re: 12v conversion questions

Postby tinnerjohn » Mon May 29, 2017 1:21 pm

This has me wondering why the starter doesn't run backwards. I know it doesn't, but I had an erector set too! John

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SONNY
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Re: 12v conversion questions

Postby SONNY » Mon May 29, 2017 11:11 pm

I too have 12-v on several 6-v starters and they work fine! thanks; sonny


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