How do you add accessories to an electrical system and wire them in other than sticking the end of the wire behind a barrel fuse?
What items do you need to cleanly, safely and economically add on items needing power? For example: stereo, electric choke, electric fuel pump, 12v power sources and so forth.

‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring
‘14 Big Horn, Quad Cab, 4x4, 1500