the best thing to do ( if you need to remove the loom ) is to cut the pack of wires down by the drivers seat under the trim , bout 6 wres , ll colour coded and this saves you striping the back loom out ,

to actuall remove the fuse box you need to give a good tug on the panel that the relays and fuses plug into , itll come away and leave a box , there are 4 screws under this that secure the main body of the box to the car .

hope this helps ??