Headlight Trick - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
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post #1 of 20 (permalink) Old 02-20-2014, 03:23 PM Thread Starter
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Lightbulb Headlight Trick

A minor discovery? Did ya know ....

If you set the rocker switch for the Hi/Low beam, halfway between Hi and Low, you get both hi/low lights burning at the same time.

The switch has a notch to hold it, and the high beam indicator dims by about half.

Next time I'm dodging crap in the night, I'm trying this. Looked good on the garage wall.

Maybe I'll test it in the daytime and have a spare fuse handy. Charging system seemed to be handling it at idle.

I've done this on some cars. Some handle it, others just shut off the lights.

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post #2 of 20 (permalink) Old 02-20-2014, 06:45 PM
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Interesting...KC was just talking about similar in emails not long ago...we were wonderin if it could be rigged....



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post #3 of 20 (permalink) Old 02-20-2014, 08:52 PM Thread Starter
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Don't see why you couldn't toggle switch a hot lead to one side or the other. Then when you switch it off, the hi/lo switch would still work.

I said there's a notch in the middle of the switch, but it's more of just a sweet spot, must be a ball in there.

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post #4 of 20 (permalink) Old 02-20-2014, 09:10 PM
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Quote:
Originally Posted by Spockster View Post
must be a ball in there.
Nope. Headlight life will suffer w/both elements on for very long.
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post #5 of 20 (permalink) Old 02-20-2014, 09:26 PM Thread Starter
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Quote:
Originally Posted by wmsonta View Post
Headlight life will suffer w/both elements on for very long.
I'm about to put that to the test.

I never blew any car headlamps that way.

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Last edited by Spockster; 02-20-2014 at 09:35 PM.
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post #6 of 20 (permalink) Old 02-21-2014, 06:19 PM
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Quote:
Headlight life will suffer w/both elements on for very long.
You talk the talk, but can you walk the walk ?....explain please so that your statement isnt just another empty and useless recommendation that a few have been making lately....surprised too, you normally DO back up your statements with a logical explaination...

WHY exactly will they suffer ?.....besides for the fact that they both are burning....does this damage the filament somehow ? Or is it because they are both burning...which is a no brainer....



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post #7 of 20 (permalink) Old 02-21-2014, 11:47 PM
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I suspect that with the reduced voltage from both filaments burning at once the filaments would actually last longer. The stator may pay the price though if you overload it.

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post #8 of 20 (permalink) Old 02-22-2014, 08:49 AM Thread Starter
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I didn't notice much dimming/brightening when the switch was changed, but at idle there was about a 1v drop on the meter.

Don't think it will tax the stator, since the stator runs wide open above idle anyway.

If I don't pop a fuse, I don't foresee any problem. Not sure the rocker switch will stay put on bumps.

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post #9 of 20 (permalink) Old 02-22-2014, 03:30 PM
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what wmsontra is saying holds water, heat is what kills filaments, actually spikes in changing temperature kills them quicker than anything else.

But extra heat is not going to make them last longer that is for sure.

If you want your bulbs to last longer, put a large cap across them, the cap takes the initial burst of current and the bulb comes up slower which will prolong its life, the fact is, it ain't at all worth it for a 10$ bulb.

My concern with the switch in the middle would be arcing the contacts and melting them away, also voltage drop across higher resistance contacts.

If you want to run both filiments go for it, but wire it that way with a toggle switch not some magical sweet spot in the middle, as soon as you go over a bump I bet it pops out of that spot.

But hey go for it.

If you want more light, just get an offroad bulb, 80 / 100W but then you got the folks that say it beats up the charging system, but here you are running two filiments at once. A 55W and a 60W that is 110W but I would be willing to bet you are not getting full power out of the bulb in this 'center' spot cause of the losses / high resistance contact.

I don't understand why some people bother with doing weird stuff, if you want more light, get a light that makes more light


Good luck

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post #10 of 20 (permalink) Old 02-22-2014, 04:05 PM Thread Starter
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Well thanks, but it's not magical.

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__________________________________________________ ____________
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