Wiring question

[PeterN]

See Previous owner ran lights, horn and clock from a 12v battery with the ignition side wired to 6V. I’m going back to 6V only. It looks like he wired the lights direct and chopped the connections in the trough. What’s the best , safest, way to wire the lights. I was thinking of remaking the trough connection with a short cable between the brass nut and the lights terminal.