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Old 09-07-2008, 11:55 AM   #1
jeffroysez
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Question LED Turn Signal Question?

So I put all 4 Electrosport Crash Advantage turn signals on. I get a very dim light emanating from all four at the same time when actuated. Do I need to replace the relay? And do the diode thing on the dash light? I've read all the threads on this, but no indication of where the turn signal relay is on the bike.

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Old 09-07-2008, 12:14 PM   #2
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Default Re: LED Turn Signal Question?

You have to install a diode pair and an electronic flasher to use LED turn signals. I just recently did it on mine, its a simple thing. Once you install the diodes and new flasher you can use LED or incandescent or mix them together. The flasher is behind the fairing.
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Last edited by txrider; 09-07-2008 at 12:43 PM. Reason: gwammer
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Old 09-09-2008, 10:39 AM   #3
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Talking Re: LED Turn Signal Question?

Thanks, man! Worked like a charm! Instead of ordering the superbrightleds.com LED flasher unit, I went to my local motorcycle shop and got a standard LED flasher relay. I had to clip the flasher unit clip connector off and solder the wires onto the new flasher unit. But other than that, I soldered in the diodes from Radio Shack. Heat shrinked them. And they worked perfectly. Thanks for your help, man!!
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Old 09-11-2008, 12:19 AM   #4
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Default Re: LED Turn Signal Question?

u welcome
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Old 10-16-2008, 08:28 AM   #5
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Default Re: LED Turn Signal Question?

TxRider......I am now at the point that i need to do this mod with the diodes. I have diodes in my electrical box....but don't know what the diodes that you used are rated at....Will it matter? What are the differences with using different diodes other than what you have used? It took me way too long to figure out what you actually did and why....not to mention all the other crap i needed to do around the house that helped put this off.
Thanks for your help...


From an electrically challenged morron...lol/Willys
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Old 10-16-2008, 10:44 PM   #6
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Default Re: LED Turn Signal Question?

The diodes really don't matter, any of them should work as the current is so small. The stock design gives the ind. bulb no ground path except the route through the filaments of bulbs on the side that is not on and then to their grounds. This works great and is really an ingenious circuit design unless you change the properties of the bulbs. When LED's are used at the corners the tiny current through the ind. bulb is high enough to light the side that is off. The mod gives the ind. bulb it's own ground and the diodes allow the +12V to light it but isolates the sides from each other as diodes act as a 1-way "check" valve.
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Old 10-17-2008, 07:09 AM   #7
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Default Re: LED Turn Signal Question?

Thank you...I plan on doing this today....I need indicators!
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Old 10-17-2008, 07:40 AM   #8
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Default Re: LED Turn Signal Question?

To make my LED turn ind. bright enough to not be ignored in daylight I had to put a switch in the dash to dim it (and the neutral light) for night time use.
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Old 10-20-2008, 03:11 PM   #9
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Default Re: LED Turn Signal Question?

OK...finally got around to this mod...and I have signals which are directional but don't flash...? Why? I have an electrical flasher from Electrosport ..the one they recommend for thier led indicators. I did the diode mod and it works well. I just can't get them to flash...please help...thanks.
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Old 10-20-2008, 03:18 PM   #10
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Default Re: LED Turn Signal Question?

After installing new LED turnsignals on my KLR, I found that all four of them would flash at the same time. I pulled the dash indicator bulb and everything worked perfectly. No diodes, no new flasher!

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Old 10-20-2008, 03:47 PM   #11
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Default Re: LED Turn Signal Question?

I have the turn signals working correctly in regards to turning either right or left but they won't flash......I even have an electronic flasher for them..?
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Old 10-20-2008, 09:56 PM   #12
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Default Re: LED Turn Signal Question?

Quote:
Originally Posted by willys View Post
I have the turn signals working correctly in regards to turning either right or left but they won't flash......I even have an electronic flasher for them..?
Put a 1000 to 2000 ohm 1/2 watt resistor on the output side of the flasher to ground. Some of the LED flashers need a little extra load. I had to do that on my DR350 using an autoparts store's electronic flasher that supposedly worked with LED's, but not on my KLR as I used the flasher from Superbrightleds.com.
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Old 10-21-2008, 08:35 AM   #13
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Default Re: LED Turn Signal Question?

OK...is that on each flasher or just one on each side???
Or am I reading it all wrong again???

I hate electronics....especially when it is suppoesed to be a simple issue!

God help me when I order my Vapor ...lol
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Old 10-21-2008, 09:27 AM   #14
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Default Re: LED Turn Signal Question?

I'd say contact the company that built the flasher and see what they say. My understanding is that LED flashers are supposed to work regardless of resistance. In other words work with LED or regular bulbs.

I only replaced the rear turn signals with LED versions but did switch to an LED compatible version flasher relay.
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Old 10-21-2008, 09:53 AM   #15
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Default Re: LED Turn Signal Question?

Quote:
Originally Posted by txrider View Post
You have to install a diode pair and an electronic flasher to use LED turn signals. I just recently did it on mine, its a simple thing. Once you install the diodes and new flasher you can use LED or incandescent or mix them together. The flasher is behind the fairing.
Thanks for the simple explanation and photos. I noticed in your photos that your dash bulb looks like an LED. If I am correct what type and where did you find them? I do most of my riding at night and need to free up as much wattage as possible to power off road lights.
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Old 10-21-2008, 10:48 AM   #16
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Default Re: LED Turn Signal Question?

OK...just got of the phone with the tech guys at Electrosport...I have been told to put a 2k resistor across each LED signal light to make them flash! So..if you are looking to save watts...forget it using this method!
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Old 10-21-2008, 11:54 PM   #17
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Default Re: LED Turn Signal Question?

If you do the diode circuit, and you replace the dash indicator bulb with an LED, you only need the 1000 to 2000 ohm resistor across the dash indicator LED. If you do the diode circuit and leave the dash indicator bulb stock, the aftermarket electronic flasher will work fine as the bulb resistance is around 100 ohms.
You will still save watts because the 2000 ohm resistors take nothing compared to stock turn signal bulbs but really the turn signals aren't on long enough to affect on the long-term power balance.
superbrightleds.com has WLED-G4 (green) for turn/neutral ind. but are very bright at night. Use a switch with a resistor to dim them or get the WLED-G-90 single LED for stock brightness.

Last edited by Ronmold; 10-22-2008 at 12:09 AM.
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Old 10-22-2008, 08:20 AM   #18
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Default Re: LED Turn Signal Question?

Hmmm...???
"If you do the diode circuit and leave the dash indicator bulb stock, the aftermarket electronic flasher will work fine as the bulb resistance is around 100 ohms."

This is what I did and the indicators won't flash...I would love them to!!!

What have I done incorrectly??? What could I have done wrong..HELP!!!
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Old 10-22-2008, 10:34 PM   #19
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Default Re: LED Turn Signal Question?

If you put a stock bulb in will that side flash?
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Old 10-22-2008, 10:49 PM   #20
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Default Re: LED Turn Signal Question?

are you running a generic automotive electronic flasher, or one specifically for a motorcycle with LEDs?

a generic automotive unit may require more load.


as far as adding resistors goes, try just one on each side first... and just stick it into the plastic covering over the bayonet connectors. you want to go from one lead to the other in parallel with the LED unit. if you put it in series, you will decrease the voltage to the LEDs.

i had to do that before with some flush mount signals on another bike...the smaller bulbs wouldn't make the relay flash.. and that was before electronic flashers were readily available.

i'm not tooo worried about the wattage draw of blinkers.... but then i'm the guy with 50W bulbs in his rear blinkers!!!
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