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Tractor Talk Discussion Forum

Re: 6volt conversion

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Author  [Modern View]

09-26-2013 15:56:59

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On the alternator is self there is raised numbers that are #1 and #2. As far as which is which I do not know but if you have the 2 wire plug that you buy at say O'Reilly's I could go out and look and see which wire/color is which

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Jon Hagen

09-26-2013 19:55:22

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 Re: 6volt conversion in reply to old, 09-26-2013 15:56:59  
Usually #1 is a small (20 ga ?) white wire and #2 is a larger (14 ga)red wire.

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Jon Hagen

09-26-2013 20:06:48

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 Re: 6volt conversion in reply to Jon Hagen, 09-26-2013 19:55:22  
One other possibility, remove the regulator plug and look down the hole into the alternator at the two regulator blades. A few regulators have a little metal web connecting the blades together. If your regulator has this little metal web connecting the two regulator blades, and the #2 blade is connected to the BAT stud, it will keep the field energized and kill the battery in a couple days.

When used with the #2 "sense" wire connected to the battery stud, that connecting web between the blades must be cut away to stop the battery discharge.

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Russ Crawford

09-26-2013 16:21:53

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 Re: 6volt conversion in reply to old, 09-26-2013 15:56:59  
I found the raised numbers and I have them hooked up correctly. Anyother ideas? Thanks Russ

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09-26-2013 20:26:04

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 Re: 6volt conversion in reply to Russ Crawford, 09-26-2013 16:21:53  
The diode bridge inside the alternator (not the regulator, which is separate) can be conductive both ways if bad or going bad. The check it take out the two small #2 and #2 terminals. Remove the wire from the big stud and put a volt meter between the stud and the wire terminal. If it reeds less than 1/4 volt it is probably OK. If more it is an indication of a bad rectifier bridge. Jim

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Russ Crawford

09-27-2013 08:42:52

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 Re: 6volt conversion in reply to Janicholson, 09-26-2013 20:26:04  
Thanks to everyone who has taken the time to share their knowledge. Russ

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09-26-2013 19:12:57

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 Re: 6volt conversion in reply to Russ Crawford, 09-26-2013 16:21:53  
Could be a bad new alternator seen that many times over the years and seems to be getting worse now days

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