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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > A rule of thumb?
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Author Topic: A rule of thumb?  (Read 1737 times)
Andy
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Posts: 147
« on: July 04, 2009, 07:26:51 AM »
I bought led turn signals with one each red and white wire. Can't find the instructions so don't know which is ground.
Is red hot and white ground as I'm trying out my feeble memory here?
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John Schmidt
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Posts: 15223


a/k/a Stuffy. '99 I/S Valk Roadsmith Trike

De Pere, WI (Green Bay)
« Reply #1 on: July 04, 2009, 07:59:11 AM »
Andy, no rule of thumb because different manufacturers use different colors. It shouldn't hurt them by simply testing them on a 12v source. Just try it with red as ground and white on 12v, if they don't light up simply reverse the wires and try again. I have an external connector for my Battery-Tenda hook up, I just stick the wires in there to test lights. Never had an LED fail after testing like mentioned above.
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Kingbee
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Posts: 486


VRCC# 576

Northern Illinois
« Reply #2 on: July 04, 2009, 08:05:49 AM »
White "should" be ground, but no harm done if hooked up wrong.
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Grandpot
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Posts: 630


Rolling Thunder South Carolina Chapter 1

Fort Mill, South Carolina
« Reply #3 on: July 04, 2009, 02:43:24 PM »
My thumb said, "Vote for the white wire being ground."

Like John said, hook it up one way, if it doesn't work hook it up the other way.  You will not damage it.  ???
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crazy2 Experience is recognizing the same mistake every time you make it.crazy2
Madmike
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Posts: 837


Campbell River BC, Canada
« Reply #4 on: July 04, 2009, 06:57:12 PM »
If you hook them up backwards do they absorb light??????????
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Grandpot
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Posts: 630


Rolling Thunder South Carolina Chapter 1

Fort Mill, South Carolina
« Reply #5 on: July 04, 2009, 07:16:47 PM »
Madmike:

Yes they do and then the stored light can be used later.

Did you ever try to calculate the speed of dark?
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crazy2 Experience is recognizing the same mistake every time you make it.crazy2
Andy
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Posts: 147
« Reply #6 on: July 05, 2009, 04:28:29 AM »
Thanks y'all
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R J
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Posts: 13380


DS-0009 ...... # 173

Des Moines, IA
« Reply #7 on: July 05, 2009, 06:09:24 AM »
You can usually figure the following colors are ground.

White,
Green,
Brown, or
Black.

Reds are usually hot wires in 99.9% of the cases....
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