Lost all electrical power

There is a fusible link and a main power fuse 200 amp lets start there. Here is how the power distribution is wired so you can see how it works let use a test light to see where the power drops off:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

Cheers, Ken