On my 49 there are 5 fuses in the fuse box. I have rewired most of the truck using good wire and connectors from FLAPS. I am still using the generator so cannot comment on how to wire an alternator.
The wire gauge required is or should be shown on the wiring diagram. Because it is a diagram for a 6 volt system you can get away with light gauge wire if need be.
The most important thing is to use a good crimping tool and make good connections. Give them a 'tug' test before you install them.


1949 Chevy 1/2-Ton
"Sedgewick"
In the Gallery
1989 Caprice