Power to fuse box but entire truck is dead

[12secondnova]

So im trying to get my 71 truck running and the wiring Is giving me problems. I have power to the fuses and everything but absolutely nothing works. Headlights, turn signals, wipers, keys don't work. When j tap the starter with a screw driver it turns on though so it has plenty of juice. Anyone maybe know what is wrong? Wiring is definitely not my strong suit so this is really getting old quick. ANY help is appreciated thanks
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