See I don't know a thing about electricals, and this is the kind of idea I was looking for!
I'd be willing to spend a measly hour making my lights actually work for real with 12v bulbs.
Unfortunately, the only switch that still functions on the bike is the brake light switch and engine kill switch, so I will have to run another switch for the headlight.
Or run the headlight through the stock lense, I could easily fit one of the previously mentioned bike lights in the back where the bulb goes.
Current fleet: '82 Toyota Pickup 4X4, '99 Suzuki DR650, '97 Yamaha Zuma, '86 sears-craftsman racing lawnmower (guinness world record mower).