Re: Wiring on a Farmall 140 12v Conversion

Posted by RTR on January 04, 2014 at 11:07:29 from (74.248.177.150):

In Reply to: Wiring on a Farmall 140 12v Conversion posted by RTR on January 04, 2014 at 08:56:56:

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Thank you both for the input. I've done several conversions from scratch that were the 3-wire GM alternator using Bob M's diagram.

I guess what I am trying to ask is:

Question #1:

How can I hook up a known good Delco Alternator and wire it "3-wire style" using the existing wiring, like the PO did with the "1-wire hookup". OR is it better to take out all the old wiring for the old generator and regulator and start from scratch? It still has the original wiring and the PO used this when he hooked up the alternator.

Question #2:

Can the alternator that is on the tractor be used and hooked up 3-wire style? I noticed someone had put some putty over the #1 and #2 terminals. Is that Alternator internally setup for "1-wire" style or does it depend on how I hook it up? At this point, it could be a good alternator and the wiring be faulty. I do have a couple new 10si alternators though.

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