What are these Connectors called??

Nope, I will certainly will not and thank you for the correction. From here, I myself would just open up the electrical schematics. I can read them. I know many can not. I’m not going to check though.

I'll take back that red X if you delete the black should always be ground.
While most ground wires in the car are black, the most important feed wires in the harness are also Black.
To remember this, think of it like house wiring. Black is a hot.