When does it blow the fuse? As soon as the bike is turned on? When you activate one of the turn signals? When you use the brakes? I had this problem once after I had removed the body panels. Every time I used the right turn signal the dash, signals, and other stuff associated with the fuse died. When I pulled the panels off I did not unplug the turn signals and tried to prop the panels up so as not to pull on the turn signal wires. Well the right turn signal wire pulled out a little and the + and - were touching.