Multiple LED's on separate pins, switches and functions - need guidance

HolidayV:

[quote author=Runaway Pancake link=topic=235787.msg1707357#msg1707357 date=1399139091]
Car lights have one end at Ground.
They're on/off by interrupting +V to the lamp (not Ground.)

I guess it's a good thing this light set up is for a bicycle and not a car.
[/quote]

If Frame == Ground then that's one less wire to run. Just sayin'.

> > > Or you could make frame == +V