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Allis Chalmers Discussion Forum
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wiring diagram

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Georgia Steve

05-11-2007 09:32:47




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I have a friend who has a 1949 Model G Allis C tractor. The system originally had a 6 volt system. It has been converted to a 12 volt negative ground system. I have a wiring diagram for a 1950 WD tractor but it does not have a regulator in teh diagram. If you put the system as it is shown, the alternator gets very hot, It is a pull start engine although you have to turn a switch to give it power. The problem is the regulator is not wired in I am sure since when I pull the battery connection, the system does not continue to run. Is there anyone that has a good wiring diagram I can use for wiring this tractor back to normal? I would really appreciate it and I know my friend would be for ever in debted as he has done a lot of work to it and it looks great, just does not run correctly yet.

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tim[in]

05-12-2007 15:30:55




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 Re: wiring diagram in reply to Georgia Steve, 05-11-2007 09:32:47  
BE CAREFUL when opening this file. when i try to look at it my virus protector says there is an unwanted file or virus found. everyone might want to up date their virus protectors. i know the sender had no intention of sending it but the people who do these things are sneaky. please dont let this keep any one from posting this needed info. we deeply appreciate it.i am working on my electricals systems on 2 tractors now myself.

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steve(ill)

05-11-2007 15:43:55




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 Re: wiring diagram in reply to Georgia Steve, 05-11-2007 09:32:47  
alternator has an aluminum housing and is asl long as it is diameter. a generator is a black housing 5 inch diameter and about 9 inches long. Generator needs a regulator. Generator has "F" and "A" terminals. Regulator has "F", "G" and "B" terminals. connect the F to F. connect the G (gen) to A (armature). Connect teh B (battery) to the ampmeter output. other side of ampmeter goes to the battery or key + terminal.

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Georgia Steve

05-11-2007 12:45:27




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 Re: wiring diagram in reply to Georgia Steve, 05-11-2007 09:32:47  
Thank you for responding. I have this diagram and it is wired exactly like this BUT, this has a regulator. It is not built in I do not believe. Before the restoration started, this regulator had wires coming off it and to different locations. He thought when the new diagram came in he would be abkle to follow it, but the diagram he got in was for a 6 v. This regulator sits up from teh cutoff relay and ampere meter and is a black square. 3 connections at the bottom and one on top. Any ideas?

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Bryan Smith (SC)

05-11-2007 12:38:34




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 Re: wiring diagram in reply to Georgia Steve, 05-11-2007 09:32:47  
If it"s a GM 10Si al;ternator, the regulator"s built in. Duey Schutter has some good diagrams for conversions on his site.



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Georgia Steve

05-11-2007 15:13:35




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 Re: wiring diagram in reply to Bryan Smith (SC), 05-11-2007 12:38:34  
I guess I may have made an error. Is it possible the "alternator" is actually a generator with a regulator seperate? That seems to be what I have. I hope you can help as I am in great need.



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