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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Oliver- Positive or Negative Ground

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J. Wolfe

06-07-2006 07:15:49




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I have done a search on the forum and have not found my answer. Did the Oliver Super 88 come with positive or negative ground from the factory? When did they change to 12Volts and did they then use Neg ground?




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oliver fan

06-07-2006 08:05:01




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 Re: Oliver- Positive or Negative Ground in reply to J. Wolfe, 06-07-2006 07:15:49  
All super 88 gas tractors up to serial # 49-249 were 6 volt, positive ground.

Starting at serial # 49-250 all super 88 gas tractors were 12 volt and key start, positive ground.

All super 88 diesels were 12 volt, positive ground.

Oliver didn't use negative ground until they started putting alternators on the tractors.



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old

06-07-2006 07:47:03




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 Re: Oliver- Positive or Negative Ground in reply to J. Wolfe, 06-07-2006 07:15:49  
I believe it would be + ground. But if an alternator has been added if you hook it up with + ground you will fry it faster then you can snap your fingers



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jd plowboy

06-08-2006 18:50:26




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 Re: Oliver- Positive or Negative Ground in reply to old, 06-07-2006 07:47:03  
what do you think an 88 gas would be with the generator and the serial number of 129982



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old

06-08-2006 20:45:41




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 Re: Oliver- Positive or Negative Ground in reply to jd plowboy, 06-08-2006 18:50:26  
My guess would be + ground. Almost all brands of tractors where + ground if they where made before 1960.



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