Your "stock" fuse box would actually be an accessory fuse box. It and radios and heaters were dealer installed accessories in those days.

As far as what terminals are hot and when, a multimeter will tell you.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.