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1020 electrical prob. bat. reversed,

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jeff smith

11-05-2001 06:31:49




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I reversed the cable connections to the battery by mistake on this negative ground system, after correcting, now with the ignition key off, the oil and gen. light come on. If I start it, everything ok. When I shut it off, about 5 seconds later the warning lights come on.
Where do I start?




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jeff s

11-06-2001 05:59:38




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 Re: 1020 electrical prob. bat. reversed, in reply to jeff smith, 11-05-2001 06:31:49  
Thanks John Henry and HTR



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John Henry

11-05-2001 17:01:01




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 Re: 1020 electrical prob. bat. reversed, in reply to jeff smith, 11-05-2001 06:31:49  
My cousins "helper" reversed his 2020 battery connections also. And presently has the same problem as you. He claims polarity reversal screws up the diode in the alternator causing the warning lamps to light. He never fixed his, just disconnects the battery when he`s done with the tractor. Talked to the dealer about it and got no answers. The good part is that it still charges the battery like normal. Anyone out there have an answer?

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HTR

11-05-2001 19:23:27




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 Re: Re: 1020 electrical prob. bat. reversed, in reply to John Henry, 11-05-2001 17:01:01  
Check the isolation diode on the back of the motorola alternator. That is the small plate on the back of the alternator that the battery wire hooks to. It is held on by two small nuts, remove it, and with ohm meter check to see that is has continuity in only one direction.



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