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Tractor Talk Discussion Forum

Is my tractor positive or negative ground?

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Truck driver

02-07-2005 15:54:35




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My International B414 came with no battery or cables and it is a 1962 diesel. My I.T. manual says that it is negative ground but the schimatic shows that it is positive ground. Which is it please? Does anyone know?




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jdemaris

02-08-2005 07:02:57




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 Re: I was wrong - Pos. ground in reply to Truck driver, 02-07-2005 15:54:35  
I was wrong, they are ALL positve ground, gas or diesel. I've had a couple of the Indian British IH tractors for over 20 years - B275 diesel and B414 diesel and they've been 12 volt neg. since I had them. But, both were rewired a bit a long time ago with Delco alternators. I'd forgetten - amost had to use a magnifying glass of read the schematics properly. B414 gas shows a single 12 volt battery hooked postive ground. B414 diesl shows two 6 volt batteries hooked in series but still, positive ground. With these British or Indian tractors, negative ground WAS used with the 354, 364, 424, 2424, 444, and 2444. Won't make much difference unless you're using the original generator and regulator.

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paul

02-07-2005 22:50:10




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 Re: Is my tractor positive or negative ground? in reply to Truck driver, 02-07-2005 15:54:35  
That is about the era that things changed - is it possible the pos ground is refering to a gas engine with 6v? The diesel would likely be 12v neg ground.

--->Paul



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jdemaris

02-07-2005 19:23:38




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 Re: Is my tractor positive or negative ground? in reply to Truck driver, 02-07-2005 15:54:35  
I've got a B275 and a B414. They are both 12 volt negative ground, and that's what my book shows for them also. What book are you using?



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jc

02-07-2005 18:41:16




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 Re: Is my tractor positive or negative ground? in reply to Truck driver, 02-07-2005 15:54:35  
It should be hooked up neg. ground.



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