I mounted a power distribution block, see first link, on the firewall near the master cylinder.
http://www.madelectrical.com/catalog/cn-1.shtml
I also added a power relay module nnear the the driver driver sidee radiator support that provided two fused 60A circuits, one for battery power and another for ignition power. I used to power the fans, A.C. relay, headlight relays, fuseblock, etc., etc.
https://www.waytekwire.com/item/4609...e-Module-60A-/