That Buick 225 V6 was installed in many later model CJs and the Jeepster Commando so you can look at the wiring diagrams for them on line and see what is applicable to the motor wiring.
So I am working on a 1952 M38 that has been engine swapped to a Buick Odd-fire V6.
It is currently not running because I have to put a fuel tank in it. In the meantime it looks like I have a wiring ...