Quote:
Originally Posted by NorCalC20LWB
Thanks Willys, that looks perfect! I really like Shingle Springs BTW, nice area.
ToolBox, I will check out that website for what they suggest. Quick question, what is the difference between a 10SI and a 12Si?
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Wow, I didn't realize you were here in Fair Oaks! Hi neighbor!
Here's a good article on it:
http://www.madelectrical.com/electri...elcoremy.shtml
I think the biggest difference between 10SI vs 12SI is how they're regulated. I believe the 10SI uses something called a one wire method, which is an older way of wiring the internal regulator, where the 12 SI uses the three wire method. Or maybe I have those reversed... I think the 12SI stays cooler and the three wire method helps keep the heat down. Here's an article on three wire vs one wire methods.
To sum it up, though: "The 1-wire alternator only has a sense of what it is sending current to, which is the battery. If the battery is up, it does not recognize a voltage drop. The three wire alternator senses voltage at the fuse block and the ignition, and the alternator will then charge more to get all the systems up to power."
https://www.rodauthority.com/tech-st...d-ron-francis/