No modulators or anything needed. I have them and they have worked great. I believe they are 7443 bulbs tho, not the 3157's that were linked
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I added a button and a circuit to my left grip area to change the preset radio stations. I'm sure you could do something to add a button for your flashers.
Attachment 6960
Hmmm? Over 60,000 miles on my 6, never used the flasher. Never even thought about it. I guess I should look for the switch.:confused:
Used mine once when another riders bike broke down. Non Honda. Parked behind him on a narrow road.