67 Barracuda Reverse Lights

it's hard to see but it looks like it is fed from the fuse furthest to the right in the fuse block. Pull that fuse out and check it with a multimeter on the ohms scale. OL no good. the simplest way is to follow the power wire you checked at the console switch back to it's original source. if there is a switch between it and the fuse box check it. every component that is wired in series with that wire between the wire at the switch and the fuse box could be the culprit or an open circuit. Patience grasshopper. follow it back step by step to the source.