I may be getting a little technical here but will mention anyway. I see posts complaining about, or bragging up one-wire alternators. They are NOT all the same.
The old cast-iron generators, and the newer aluminum alternators with one-wire work the same way. They both rely on residual magnetism that is usually present. When it comes to alternators - some have more residual magnetism then others. So some cut in faster then others. If the alternator has no magnetism at all, the one-wire setup will not work.
The three-wire setup uses an outside power source to create an electro-magnet inside the alternator to get it charging. No residual magnetism needed.
I pay around $8 for an internal regulator for the SI series - "one wire" or "three wire." NO price difference.
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Today's Featured Article - Restoration Story: 1964 JD 2010 Dsl - Part 2 - by Jim Nielsen. Despite having to disassemble the majority of my John Deere 2010's diesel engine, I was still hopeful I could leave the engine-complete with crankshaft and camshaft-in the tractor. This would make the whole engine rebuild job much easier-and much less expensive! I soon found however, that the #4 conrod bearing had disintegrated, taking with it chunks of the crankshaft journal. As a resul
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