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Allis Chalmers Discussion Forum

AC Mod 'B' Wiring Problems...

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JB in VA

03-26-2004 18:46:54

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I am rewiring my B and she did not have any wiring on her so I no idea how to correctly wire the contacts...

The Ammeter's contacts are not marked with '+' or '-' so I do not know which is which. The Charge/Lights switch contacts have no markings either and I cannot even get the Mag Kill switch off of the casing.

third party image

Help please!

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Rod (NH)

03-26-2004 20:06:01

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Re: AC Mod 'B' Wiring Problems... in reply to JB in VA, 03-26-2004 18:46:54

Hi JB,

If you wish to post your email address, I can email you a pdf file showing the B wiring diagram. Basically the generator field wire is connected at the end of the resister with the two screws as shown in your middle photo. You can determine the other connections with a continuity tester once you have the diagram. As far as the ammeter, don't worry about it. If it works backward from what it should, just reverse the leads. The mag kill switch is a different switch than you show and just grounds the mag.

Rod

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DavidL. Clem

05-04-2004 11:10:20

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Re: Re: AC Mod 'B' Wiring Problems... in reply to Rod (NH), 03-26-2004 20:06:01

Can I also have a diagram to follow on my 44 B.

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