I feel that my world has turned upside down!
The fuse that "protects the positive wire" (from "becoming the fuse") between the battery and the converter, which fuse is to be mounted near the battery post, is "after" the battery, not before it. The threat being the battery shorting, not the converter shorting.
The short wire between the battery and that fuse is not "protected" but the long length "after" that going to the converter is protected.
All that indicated to me up till now, that the fuse came "after" the short so it would blow and protect whatever came next "after" the fuse.
