Thanks. The fuse is an "it happens" type of thing and if something unusual is going to happen it will usually happen to me. I'm going to take the advice from @ndncowboy and pull the side cover. I checked the wires at and around the battery when I changed the fuse and they looked good. From what I could see with the cover in place everything was good there, too, but it's just a few bolts to make sure.Looks awesome Puma!!!
Sorry about the fuse... glad you like your Air Horn System and appreciate the detailed feedback!