No power to anything when I turn the ignition switch on?

I would make sure the battery cables are clean and tight.

This guide can help:

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

If the cablers are okay let's check the fusible links and the main power fuses. here is a guide that can help, and I have included the main power wiring diagrams so you can see how the system works. You might have an ignition switch that has gone out.

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

I have included how to change the ignition switch out as well. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.