Has anybody checked out if it is the Battery Connector on the back of their fusebox? Has any one tried jiggling it to see if their car starts? Save yourself a tow and jiggle the cable, then test if things will start or turn on.
Read all the posts in the thread before screaming for help.
Steve, you don't need to check every fuse. Most likely it isn't
a fuse. Reach behind the fuse box, find the big cable, and give it a good press towards the fuse box, or jiggle it up and down. If it is completely fried, then my apologies: you'll need a new fuse box, possibly a new B+ Battery cable. Hope it is just the fuse box, because otherwise you'll have to replace a cable that runs through the frame which means interior removal.