Author Topic: Head Light Modulator  (Read 1098 times)

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Offline MotoCommuter

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Head Light Modulator
« on: May 03, 2013, 01:03:10 pm »
Ok, obtained a head light modulator for my C10. There are no instructions with it but it seems to be a simple plug and go installation. There is a black wire that comes out of the black box, looks like it has a tiny light on it, anyone know what it's purpose is?

Kurt
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Offline Riverdawg

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Re: Head Light Modulator
« Reply #1 on: May 03, 2013, 01:06:57 pm »
Should be a photo detector to turn the modulator off at night. Usually recommended to mount downward so as to not "see"  yours or others vehicle lights. Don't know any states where it's legal to run a modulator at night.

Offline MotoCommuter

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Re: Head Light Modulator
« Reply #2 on: May 03, 2013, 01:17:24 pm »
Should be a photo detector to turn the modulator off at night. Usually recommended to mount downward so as to not "see"  yours or others vehicle lights. Don't know any states where it's legal to run a modulator at night.

Ok, makes sense. Any suggestions as to where to mount the light? Does it need to be kept inside the cowling or does it need to be exposed? Facing front? Facing back? Up? Down? Just want to get it right as I'll have to remove the cowling to install the modulator, and I just don't want to do it more than once. I just removed it last fall to replace my speedo cable.

Thanks!

Kurt
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Offline Don

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Re: Head Light Modulator
« Reply #3 on: May 03, 2013, 01:29:35 pm »
I didn't have to remove the cowling when I installed the one I got from Dragoon, although I did have the tank off.  If you can reach the plug on the headlight, you don't really need to remove anything.  Unplug the harness  from the headlight, plug it into the modulator harness and plug back in.  (takes all of a minute)

I ran the light sensor to the left mirror and stuck it out the top of the boot (my boot already had a slit to tighten the mirrors) and black RTVed it in place. (another minute).


Offline MotoCommuter

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Re: Head Light Modulator
« Reply #4 on: May 03, 2013, 01:44:43 pm »
I didn't have to remove the cowling when I installed the one I got from Dragoon, although I did have the tank off.  If you can reach the plug on the headlight, you don't really need to remove anything.  Unplug the harness  from the headlight, plug it into the modulator harness and plug back in.  (takes all of a minute)

I ran the light sensor to the left mirror and stuck it out the top of the boot (my boot already had a slit to tighten the mirrors) and black RTVed it in place. (another minute).

Don,

Thanks, I hear what you are saying, but I have all kinds of other wires ti-wrapped to my fairing stay that I'll need to find a spot to mount the black box to. Plus, in the past I've found it difficult to swap out my head light bulb with out having to remove my cowling. I could probably do it but it would be less stressful for me to just remove the cowling.

I was thinking about having it come up through the dash vent so it is visible from the shield just below Buck's dash shelve. Should get enough light and be some what protected from the elements.

Kurt
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Offline Victor Salisbury

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Re: Head Light Modulator
« Reply #5 on: May 03, 2013, 03:53:34 pm »
I mounted my sensor, pointing down, on the small plastic piece under the headlight.  That was Sygnal Dynamics recomendation.   The one you supposedly remove to replace the headlight bulb.   

Other "spots" up top, I actually had streetlights or other lights trigger the modulator at night.......
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Offline Alekkas

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Re: Head Light Modulator
« Reply #6 on: May 03, 2013, 08:36:30 pm »
For my kisan, I have it routed and pointing up.  Did on my last bike too.   Did this so that it would modulate in as little daylight as possible.   Don't remember it ever getting wrongly triggered by a head light or street light or anything. 
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Offline Bruiser

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Re: Head Light Modulator
« Reply #7 on: May 06, 2013, 06:15:45 am »
The black wire w/ the gizmo on the end is a daylight sensor, which deactivates the modulator at night, cuz it is illegal after dark.  Just mount the sensor where daylight will activate it, like along the handlebar or someplace not too obvious.
« Last Edit: May 06, 2013, 06:17:38 am by Bruce »
Bruiser

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