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Here's what I have had on my 2010 Street Glide for the past 2 years. It works great and is a snap to install. Simply unplug the connector from the headlight, and plug one end of the modulator into the harness and the other end into the headlight. It definitely gets peoples attention and looks like it is a lot smaller than the Harley brand. It uses the high beam instead of the low beam,and includes an eye which turns it off when riding at night. Hope this helps you decide. I see the one Harley sells is $10.00 cheaper, but cheaper is not always the best.
Here's what I have had on my 2010 Street Glide for the past 2 years. It works great and is a snap to install. Simply unplug the connector from the headlight, and plug one end of the modulator into the harness and the other end into the headlight. It definitely gets peoples attention and looks like it is a lot smaller than the Harley brand. It uses the high beam instead of the low beam,and includes an eye which turns it off when riding at night. Hope this helps you decide. I see the one Harley sells is $10.00 cheaper, but cheaper is not always the best.
I bought mine from Newcastle H-D. I think w/ 20% discount 84.95 plus shipping. Works great. Not a big fan of the on/off switch since I just installed Klockwerks mantle beach bars. And ran hand controls internally. So I just cut the wires ran internally and soldered with heat shrink.
Carry a copy of the Federal Motor Transport regulation which indicates these "wig wag" style lights are legal on motorcycles. I've been pulled over and told by a state trooper these are illegal until I pulled out the regs.
I've had a Kisan modulator installed on this and my previous bike since 2004. This is the first time I've seen the HD unit but would buy the Kisan again if I needed another modulator. I agree with CMC Seabee that these are attention-getters and may make you just enough more visible to avoid an accident. In the past eight years and probably 80k miles I haven't had one cager pull out in front of me, but I don't take this streak of good fortune for granted and watch every one of them like a hawk. Resist those who say "I don't want my Harley to look like a Honda" and think along the lines of safety.
When I had my metric bike with only a single headlight, I had a couple of near misses with people cutting across my path.
I installed the Kisan headlight modulator and the effect was immediately noticeable. Cagers waited longer for me to pass before pulling out on to my road or they waited longer to let me pass before turning left across my road.
When I rode with others, I made sure that the modulator didn't annoy them. If it had, I would just have gone to high beam and turned it off.
My Road King has the large headlight and two smaller lights and I haven't had the same experience with people ignoring me.
My experience with a headlight modulator was VERY positive.
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