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Fordson Tractors Discussion Forum

Re: Super Dexta electrical

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Author  [Modern View]

08-19-2011 15:15:36

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My 62 Dexta is positive ground. However, red is a color, not a polarity. Yes, it SHOULD be on the positive terminal but.... Check polarity carefully. Practically all alternators are negative ground. My Power Major was converted to alternator before I got it; negative ground now. These are great tractors in my world. HTH, have Yeoman

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Darwin Taylor

08-19-2011 15:36:52

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 Re: Super Dexta electrical in reply to PhilMunsonNY, 08-19-2011 15:15:36  
Yeoman. Thanks for reply. The battery on Super Dexta was hooked negative ground when I got it. It wasn't running and hadn't been for awhile. I don't think whoever had it knew much about it from what I am finding. Just as long as Ford didn't change their electrical policy on the 1964 models. Darwin

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The Swanndri Guy

08-20-2011 16:47:46

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 Re: Super Dexta electrical in reply to Darwin Taylor, 08-19-2011 15:36:52  
With a generator, it can be either pos or neg earth as it depends on which way the generator has been polarised.(My Super Dexta and Petrol Dexta are both neg earth.)TSG.

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Darwin Taylor

08-24-2011 05:19:43

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 Re: Super Dexta electrical in reply to The Swanndri Guy, 08-20-2011 16:47:46  
TSG. You are right about generator, but what about starter. It would have to be changed since polarity change, changes direction of rotation. Can I ask about your Dexta's starters? Darwin

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Aussie Frank

08-25-2011 20:08:15

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 Re: Super Dexta electrical in reply to Darwin Taylor, 08-24-2011 05:19:43  
Quoting Removed, click Modern View to see

Your starter will not rotate in the wrong direction even if you reverse the polarity. Only permanent magnet motors will do that. Your starter would even work on 12 volts AC because it is of the wound field type.

Regards, Frank.

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