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Farmall & IHC Tractors Discussion Board

Re: help with 12 volt conversion


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Posted by Jeff Smith on January 04, 2005 at 12:11:08 from (24.60.148.5):

In Reply to: Re: help with 12 volt conversion posted by farmallhal on January 04, 2005 at 11:14:39:

OK I don't know a lot about tractors and I have confused everyone including myself, let me try to clarify.
I followed the diagram I found on this site. I have a Farmall 200 series. Perhaps this is the problem, It seems that others have posted that it works on most farmalls. I have followed the exact diagram. If you note in the diagram the wire from the number 1 pin on the alt is wired to the on side of the ignition, as is the wire to the coil(with the ballast resistor on it).

The ignition is hard to reach, the tractor was partially converted when I got it. There is a short wire from the ignition that was wired with a wire nut to the ignition coil wire, so I tied in the wire from the number 2 pin right to that wire nut since they go to the same place. I also ran another wire from here to the voltmeter, which I put into see if it was charging. The light was what was recommended in the article so that is what I did. It does go on when the key is on. The automotive guy who tested the alt said to ground the #2 pin and not do it as the diagram. I tried that an no changes. I can take out the voltmeter easily.

The ignition stopped side was hooked directly to the battery but I moved that to the ammeter as per the diagram. With the exception of the lights I really have the wiring just like the diagram. I have run new wires from the alternator, otherwise used existing wires.


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