helotaxi 5,000+ posts
Kilroy was Here
Exactly, so why in the hell would you fuse it? The fuse is there to protect the wire from a short. A short on the ground side is inconsequential. If the wire is correctly sized the amp will never draw enough current to be a fire hazard on the positive or negative.If the ground shorts to the body, since the body is grounded there is 0 difference in potential thus no current flow and no need for a fuse. Nice try though.
I see what you're getting at but why buck convention? If you fuse the positive battery wire, the negative is totally redundant. If you only fuse the negative you're simply going against convention for the sake of being different. You don't gain any added benefit.