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Hello and welcome to just answer and allowing me to assist you. yes can be a pain in the butt to do, and unfortunately you have to remove the air box and some clamps on main harness to give you more flexibility. first of all disconnected the battery and remove it, next remove the 10mm nut on the front of the fuse block as seen in pic one, turn fuse block up side down and remove the bottom cover by releasing the side clips , then remove all connectors, from there you have to remove that center piece out then you can access the screws holding that fuse in and undo them , replace with good fuse and before putting everything back make sure nothing else was blown.Was this blown because was jumped backwards? Hope this helps you and If I can be of further assistance I'll be happy to do so.
the picture is for a basic unit but depending on your model and options may be slightly different but is still basically same just may be more nuts to remove, can you send me a pic of you fuse block that may help.
lol told you it was a pain , on the bottom plastic piece where it meets the box body there are clips you need to use a small screw driver to pry and release then that part will come off,then you need to disconnect all the connectors . In the mean time I'll see if i can find a pic of the rest.