Question about new fuse box and Amp meter bypass

JMO,

Install a wire around set up and leave ALL the OEM wiring in place. Splice or link the ammeter wires together. Check bulkhead connectors to see if in good shape and fis as necessary.

I'm not a fan of the entire Mad alterations. If you want a wire from alt to starter relay, I make custom built 6 and 8 gauge wires with a fusible link.

The fusebox gets power from a welded splice in the black wire between bulkhead and ammeter.