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Old 18-04-21, 09:33
Mike K's Avatar
Mike K Mike K is offline
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Default 9n

Is it a 3 brush gene ? They usually have a manual voltage adjuster Think the 9N tractor has the same gene , if that's the case a replacement should be easier to find.
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Last edited by Mike K; 19-04-21 at 04:00.
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Old 19-04-21, 03:56
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Mike K Mike K is offline
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Default New Gene

Not sure if this new gene is suitable . Might need the pulley changed over to suit a GP

https://www.amazon.com/DB-Electrical.../dp/B00Q8LRV98

https://www.dbelectrical.com/product...0002-5792.html
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Old 19-04-21, 04:17
Mike Cecil Mike Cecil is offline
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Default GP Generator

Hi Mike,

Unfortunately, the Ford GP generator body has an extra bracket welded to it, which makes it unique to the GP. A Ford 9N tractor generator will not mount onto the engine without being converted with the extra bracket.

Be a nice, quick and cheap way to overcome the problem if it did fit. Thanks for the suggestion.

Mike
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Old 19-04-21, 05:41
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Lionelgee Lionelgee is offline
Lionel G. Evans
 
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Default

Quote:
Originally Posted by Mike Cecil View Post
Hi Mike,

Unfortunately, the Ford GP generator body has an extra bracket welded to it, which makes it unique to the GP. A Ford 9N tractor generator will not mount onto the engine without being converted with the extra bracket.

Be a nice, quick and cheap way to overcome the problem if it did fit. Thanks for the suggestion.

Mike
Hello Mike,

Please bare in mind that the following suggestion is borne out of total ignorance ... Would it be possible to gut a new Ford 9N generator as Mike suggested, and fit it into a stripped out old GP case? It would void any warranty on the new generator though.

Kind regards
Lionel
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Old 19-04-21, 15:44
Mike Cecil Mike Cecil is offline
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Default

Hi Lionel,

I assume the internals are the same and available, hence the ability of the auto elec to rebuild with new replacement parts. I'm no auto electrician, so rely on his expertise.

Hopefully, this time it will be right!!

Mike
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  #6  
Old 19-04-21, 18:23
Paul Singleton Paul Singleton is offline
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Default Charging issue

Years ago I repaired the charging system on a 1948 Ford the cutout points in the voltage regulator fused and burnt out the generator. With the back feed from the voltage regulator the generator was trying to act like an electric motor but it obviously wasn’t powerful enough to roll the engine and overheated. I would suggest leaving the fan belt off of the generator when connecting the battery. If the generator tries to turn you have a problem.
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Old 19-04-21, 18:48
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Mike K Mike K is offline
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Default History

The 9N tractor gene info might help your auto electrician

https://www.google.com/url?sa=t&sour...JH31e3KvL5gh3J

P.S. I had a look at the GP service manual. The GP gene is a 2 brush type gene - B circuit , with internally grounded field coils.
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1940 cab 11 C8
1940 Morris-Commercial PU
1941 Morris-Commercial CS8
1940 Chev. 15cwt GS Van ( Aust.)
1942-45 Jeep salad

Last edited by Mike K; 19-04-21 at 19:33.
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