Issues with headlights, park lights, cig lighter, radio, etc wiring diagram needed?

It sounds like the fusible link #b is out, have you checked the fuses? This guide can help and show you how to check for power. I have also included the power distribution wiring diagrams so you can see how the power system works.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.