So I'm pulling all the wiring from the bars on my 06 SG. Going with a retro/military theme, so I scored a bunch of real deal Mil Spec switches. The box is only a test, and observant folks will recognize it as a metal single gang box.

The ejector seat button is the starter
Red button is the horn
Toggle is the hi/lo beam
Pushbuttons are turn signals

This is only a prototype, but I think it's pretty sweet so far.

 

Sounds very interesting, always enjoy one-off ingenuity.

Where are you mounting this?

 

Cool idea. Very interested to see how you make this work.

 

Probably where the horn goes. I'm thinking of using a disc horn and mounting it to the springer. Then the switch box will sit something like this: