You have to use a wiring diagram and with the wires unplugged. Ohm each wire on the fuse. Get some copper wire so you can reach from one end to the other end. Touch the two wires of the ohm meter together and this is the reading you should get. If a wire is going to ground it will be different. Then on one end only put one end on the wire and the other end on the body ground. You should get the same as when the wires aren't touching. They are hard to find.
Normally the manufacturers use the same harness but not everything is plugged in but I haven't been doing it for a few years and they might have changed.
You can look at a yard to find one but they have a habit of cutting rather than unplugging.
Ohm the wire to the fuel pump it could have shorted out.