The tail lights, backup lamps, and turn/brake lamps are separate circuits. If they all failed simultaneously, there is probably a single cause. The parts of the wiring common to all three are the connector under the bed and the grounds. Check these 1st. The item in the fuse box is probably a circuit breaker. works like a fuse but automatically resets after a few minutes. There will be a separate fuse position for tail lamps and stop lamps. I forget where backup lamps get power.

regards,
Leon