Battery in Trunk Wiring That Exceeds NHRA Requirements

@crackedback
A couple questions, if you would.
-I have an alternator w/ field wires. I know I’m using the blue field. How does this fit into your sketch?
-The blue wire to switched 12v, what’s a good source?
upload_2022-5-12_8-11-18.jpegI’m going to have a lot of questions. My electrical aptitude isn’t what it could be. When I get this done, I want to do a write up for us electrical dummies.