Try one of these high quality 6 position terminal blocks to wire your chassis.
Rated for 600V and 25 amp.
Ideally suited for 14 gauge wire or smaller.
Bring 12V power in and use a series of jumpers distribute power to switches for ignition systems, fuel pumps, computers, or lights.
Simple and straight forward, a clear plastic cover protects the terminal connection to prevent shorts. Remove the cover to perform diagnostics or make more power connections.