I posted a picture on here awhile back showing my old headlights and Steve in NJ pointed out that I obviously had low voltage situation so I finally got around to looking at it. I put a voltmeter on it and I only show 1V coming out after I removed the battery lead. So, I think I have a bad alternator, but I am new to alternators.
When I look at the shop manual wiring diagram, the alternator looks completely different than what I have. Mine appears to be a replaced 1 wire alternator? The model that I found that matches the look of this alternator seems to be called a Delco 10SI? Is this original? I think there used different styles over the years but not sure. Mine is 1968 serial 14419 if that matters. Should I get the most reliable model, if it is not. Not sure if this applies to this model but I read where 1 wire alternators need to be running 2000 rpm to charge? They also have to have an exciter wire?
Any guidance is appreciated.
All States Ag sells 2 different alternators and both look the same and do not look like the one I have. Prices are more expensive than what I have too. If I get an original, do I have to rewire things?
Here is the picture of what I have, in case someone can shed some light. What is the purpose of the jumper wire?
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