i'm agreeing with jb- that ground trigger can be a mind blower 'till you "get" it, and your circuit drawing can jog someone's brain as they add accessories to the lighting ciruits.
my suzuki is wired that way.
i like your style, and have been following your progress.
richard


'89 kick w/some modifications.
some intentional.
suzi the psychic gets me fishing.
kj6esv