Have I got it right? Installing Shunt for Battery Monitor

The renovation of our '79 Excella 500 continues, and today's questions to the forum'ers are about the order of components in the wiring:

1. Do I have the shunt for the Battery Monitoring System positioned correctly? Or should it go on the other side of the 300A Breaker?


2. Do I have the Breakers and Disconnect switches positioned correctly?

Here's my diagram: