Bracket Car Wiring Help

Got the boxes mounted. Just need to mount the solenoid then I’ll be ready to run these wires. Think somewhere in this circle area would be suitable for the solenoid?

View attachment 1715578266

View attachment 1715578267

That location on the firewall should work for the solenoid and it's proximity to starter. Consider how you will route the battery cable from the back, clearance to headers, and heat soak.