they are called modulators. I have signal dynamics diamond star headlight modulator and a signal dynamics back-off tail light modulator on my FZ6R. Go here for info Signal DynamicsI want to put headlight and brake light flashers on my Yamaha '09 FZ6R. Any suggestions?
Rachel he is right. They are called modulators for a reason. It is illegal to have flashing lights on a hwy, interstate/freeway and city street. The modulators you see don't flash but they dim and brighten the bulb at a steady pace which makes it legalthey are called modulators. I have signal dynamics diamond star headlight modulator and a signal dynamics back-off tail light modulator on my FZ6R. Go here for info Signal Dynamics
shop around for price.
I have used these modulators on several motorcycles over the years. I think they do make a difference.