On my 41 ford chevy engine, that I bought a couple of months ago as I go through the 80s multi colored nightmare of a wiring job under my dash I realize I need to start from scratch because while there is a fuse block under there it isn't connected to anything in the car and there are just a bunch of radio shack inline fuses to everything . I bought a new fuse panel and I want to wire it and start over. My question is the main power going to the box, if I wire up from the battery all circuits will be constant hot? I know I can wire up from a key on hot at the ignition switch so nothing will be on w/o the ignition switch buy how do I do both w/ the same fuse block? I have a blue sea marine block to use I think its st 5035. In the spring I will buy a full wiring kit for it I just want to get it ok till I put it away for the winter.