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11-05-2011, 02:40 PM | #1 |
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Join Date: Oct 2011
Location: Altamonte Springs, Florida
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Can a 12v alternator be positive ground?
I am converting to a 12v negative ground system so I ordered and received a new 12v alternator from a Model A supplier.
The supplier is not open on Saturday and I cannot contact them until Monday. The paper that came inside the alternator box states: "These alternators are made from modern negative ground alternators, HOWEVER, they have been modified to positive 6 or 12 volt ground despite whatever casting or stamping may be in the alternator body." Is it possible the I received a 12v positive ground alternator? |
11-05-2011, 02:53 PM | #2 |
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Re: Can a 12v alternator be positive ground?
mine is ............. steve
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11-05-2011, 04:55 PM | #3 | |
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Re: Can a 12v alternator be positive ground?
Quote:
Charlie Stephens Last edited by Charlie Stephens; 11-05-2011 at 05:21 PM. |
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11-05-2011, 07:57 PM | #4 |
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Re: Can a 12v alternator be positive ground?
You can bet my project is on hold until I confirm one way or the other. I know the supplier will make it right. That isn't the problem. I just wanted to continue on with my conversion, but I will wait.
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11-05-2011, 11:37 PM | #5 |
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Re: Can a 12v alternator be positive ground?
You can polarize the alternator either way by polarizing it i believe. All it takes as a jumper wire.
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11-06-2011, 12:45 AM | #6 |
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Re: Can a 12v alternator be positive ground?
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I don't know why someone would want a 12 volt + ground alternator and I can't imagine anyone making or selling such a thing. I'd follow Charlie's advice. |
11-06-2011, 10:47 AM | #7 |
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Re: Can a 12v alternator be positive ground?
I sold alternators and one-wire conversion and rebuild kits for years at swap meets while we were getting our business started, and I'm with Tom W.
12 volt positive ground alternators are a product made on the theory that you can sell anything to someone somewhere, whether they need it or not and whether it makes sense or not. Joe
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