Looking for input

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https://www.forabodiesonly.com/mopar/threads/fusible-link-or-not.458737/post-1972905931
Here's a dirty example from a junkyard but its got place for three fuses, relays, circhit breakers and a cover
https://www.forabodiesonly.com/mopa...the-bulkhead-connector.556920/post-1974596934
I think you only need 2 relays, but spots for a couple more aren't going to hurt depending on where its getting placed.
For your plans, it seems like factory box and location was good, except for the headlight relay - that should be close to the alt and/or headlights.
I'm not sure where the best place may be for the top relay. Haven't thought about it.
An ignition circuit relay could go in the engine bay if you want to get fancy.
Adding a fuse for the horn wouldn't hurt.
Adding a maxi-fuse or fusible link for the battery feed wouldn't hurt.