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Your cart is empty.(Both are fully DOT compliant). The default level is "Max" when the bike is turned on, but can easily be toggled to "Min" or back to "Max" by simply pressing the horn button twice within one second. Heads Up Alert: The Diamond Star Headlight Module™
Arthur Parker
Reviewed in the United States on August 2, 2024
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clyde richmond
Reviewed in the United States on February 3, 2023
One of the best safety devise for motorcycle, help people in cars see you, great item.
scott b.
Reviewed in the United States on March 15, 2022
I have three of these. I know 100% that they work to make poor drivers see you, I have countless examples of people doubletaking and then braking when they should have all along. Recently my oldest unit stopped working after 6 years, and wouldn’t you know it, someone looked right at me, failed to yield and pulled directly into my path in a traffic circle. I was able to avoid hitting them but as soon as I got home I contacted Signal Dynamics via their website and explained that the unit had stopped working. The very next morning I got an email stating to send the unit back to them for testing/repair/replacement, they didn’t even ask for a receipt. Cost me $4.50 to mail it. Five days later I had a brand new unit sent to me free of charge ready to be plugged back in and it’s working great again. I can’t say enough good things about this modulator and especially about this company and their customer support. Get one, it may save your life.
Jed
Reviewed in the United States on July 12, 2019
This was an easy install but it started to be fickle about a month after install. Now when I ride it works for a while on high beam, then it stops modulating and I have to switch to low beam and toggle my flashers to get it to work again (good thing head lights stay on and work). I feel like this module will not last very long.I sure love the modulation when it works.
Robert Goggin
Reviewed in the United States on July 3, 2018
I have had this on 3 other bikes so when I bought my Suzuki Burgman 650 I ordered the flasher and the adapter cable. It works great. I love the ability to turn off whenever you want. It literally took 30 minutes to install and most of that was removing panels and putting them back on.
mstelectrician
Reviewed in the United States on May 31, 2018
Did not work on my motorcycle. Modulates randomly and low beam does not work at all when disabled. Tried moving sensor around. Purchased this to ride safer, returning immediately
Ken D
Reviewed in the United States on November 25, 2017
Works as specified with the Signal Dynamics Wiring Harness. Both units were installed on a Goldwing trike following the instructions. The tough part was running the harness through the fairing area, mostly because there us limited area to work unless you remove a significant amount of the fairing cover. I was able to do it with only the storage boxes removed and using the access area around the triple tree. Tough but not impossible. Patience, persistence, manual dextarity and neosporin for minor cuts and scrapes helps.
YZFRider
Reviewed in the United States on September 15, 2016
I've had two different modulators...this on by Signal Dynamics and one by Kisan. I prefer the Kisan design because that one works by turning on your bright beams during the day, and then shuts off when you switch back to normal lights. At night it is disabled by law, as the SD one is. The SD modulator turns on when you first put your key into power on status, and then is shut off by quickly switching your lights from bright back to normal. The trouble with that design is I never know if my modulator is on or not. If I see a reflector in a car, I can sometimes tell. But I like being able to know if my lights are flashing or not, in case I want to ensure they are not. Other than that, the SD design is easy to install and works as advertised. I just prefer the Kisan function better.
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