CS144. And since the 10si decided to break in my new ride I am going to explain why.
First alone man is the reliability, this should always be your main concern unless you aren't using this vehicle for long distance driving. In the Canadian winters, it is so helpful because the idle output for amps is large, so it means your vehicle starts every time 😤💪💪💪
Second is the price. I have the speakers going heavy like a motherfučker in the trunk and, since that means I need lots of good old amperage to make that work, compared to a custom & remanufactured 10/12si, which is sometimes priced TWICE of what you can get with one of these.
Third is install. Swap pulleys if thats what it takes, wire the new connector to your old one, or buy one already. Ebay, 10/12SI to CS144 adapter.
Just remember. The ONLY thing you can't do is drive it without an gen light. If you do, get the one that uses a resistor in the adapter.
And if you have one though, get the adapter without it, or make one yourself as I stated above.