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John Deere Tractors Discussion Forum
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Negative ground back to positive ground

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BDM

06-17-2007 20:47:38




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SM setup with a 12v generator(not an alternator) with negative ground. Any reason I can't re-polarize the generator for positive ground?(I know I must re-wire a few things)




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BDM

06-18-2007 15:23:30




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 Re: Negative ground back to positive ground in reply to BDM, 06-17-2007 20:47:38  
Thanks gents. Kind of funny. I came flying back to my seat, whipped up a messge and posted it. Then as I "refreshed" to see it, I notice all the JD post.....lol.. We watch both forums as we love both makes. Hey, what can a guy do? :-)


No, this generator was rebuilt into a 12v monster. This is a friends actually, and we would like it to be back to original with the wiring and "ground" as such. Exception naturally being it's now 12v vs 6v. Got to admit, she spins a little faster :-)

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John T

06-18-2007 04:45:21




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 Re: Negative ground back to positive ground in reply to BDM, 06-17-2007 20:47:38  
WE are "equal opportunity" kinda guys over here, Farmalls can reverse their polarity anytime they darn well please lol. In addition to the ammeter as the Frankster mentioned, the coils polarity should match whatever ground you choose i.e. if at Pos ground its lil + wires to the distributor and - receives power from the ignition switch.

QUESTION I was thinkin on Farmalls the 6 volt tractors were Originally Pos Ground but they went to Neg ground with 12 volt?? I will have to ask my old buddys Bob or Bob M over on IHC

John T

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F-I-T

06-17-2007 21:56:24




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 Re: Negative ground back to positive ground in reply to BDM, 06-17-2007 20:47:38  
Super M or not, no reason you cannot just re-polarize the genny to return to positive ground. You will likely have to reverse the ammeter wires, too.



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BDM

06-17-2007 20:50:23




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 Re: Negative ground back to positive ground in reply to BDM, 06-17-2007 20:47:38  
LMAO! My brother was looking at the JD section. He left and I decided to post a message. I last left it in the Farmall forum. Whoooops..... ..... ..... .Never mind



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