wow, now I know why I banned myself ...... too much misinfo to even combat it.
I will say this though, IF you guys ever get off the internet for a little bit and get a real education and have to design wiring/fusing for real equipment you would actually understand but I see I am just wasting my time until then.
Edit: perhaps a different wording would help, if you said the fuse at the battery was protecting the wire (from if it shorted out to the frame or some other metal part) then I would agree. Then of course the net result would be the same, the fuse would blow and the current from the alt/battery would stop flowing down that wire - ohhh and the short on the power wire all the way back to the amp is still intact and you you will see that nothing happens to the amp Remember we fuse items that PRODUCE current, not items that USE the current.