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Author Topic: The perfect flasher for LED lights  (Read 3613 times)
CRASH!
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« on: June 10, 2008, 04:34:39 PM »

So who has the definitive replacement flasher that works with older bikes and LED signals?

The one I got don't work and I don't want the mess of resistors. It seems a $20 relay (or maybe less?) is the right way to do this...

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dlearl476
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« Reply #1 on: June 10, 2008, 06:27:16 PM »

So who has the definitive replacement flasher that works with older bikes and LED signals?

The one I got don't work and I don't want the mess of resistors. It seems a $20 relay (or maybe less?) is the right way to do this...



I'm not positive about this, no FHE, but the other day I was looking for some stuff at CycleGear and they had a "Motrax" (?) line of accessories and I believe the led's said they had a resistor include.  Once again, I may be wrong but you could check it out.
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MotoCreations
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« Reply #2 on: June 10, 2008, 06:39:16 PM »

Go to AutoZone (etc) -- Electronic Flasher part # EL35 BTW -- usually $10-$14.  Solve the problems on all older Ducati's using LED turn signals.
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CRASH!
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« Reply #3 on: June 11, 2008, 04:15:19 AM »

I'm not positive about this, no FHE, but the other day I was looking for some stuff at CycleGear and they had a "Motrax" (?) line of accessories and I believe the led's said they had a resistor include.  Once again, I may be wrong but you could check it out.

Well I already have the signals (from Monster Parts) so I want a flasher that will work w/them.

Will check out the Autozone part!
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Big Troubled Bear
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« Reply #4 on: June 11, 2008, 06:47:16 AM »

Bought mine from local Triumph dealer, looked like cheap aftermarket flasher unit, but it works waytogo
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CRASH!
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« Reply #5 on: July 19, 2008, 12:21:47 PM »

Go to AutoZone (etc) -- Electronic Flasher part # EL35 BTW -- usually $10-$14.  Solve the problems on all older Ducati's using LED turn signals.

Finally got 'round to doing this.

I couldn't find an EL35, but I found an EP35...$9.99

Works like a charm. It has a smaller body than the factory relay so I'll have to zip-tie it or something 'cause the rubber holder won't keep it in place.

Thanks Mark
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CRASH!
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« Reply #6 on: July 20, 2008, 01:08:53 PM »

I celebrated too soon. Just got back from the barn where I took quite some time getting everything working....with resistors and the old relay (new one works too, but no better than the old one since I have resistors in paralell).

Yesterday I checked the new relay by hooking up one front LED signal (I've had two on the back for ages but before, when I added one up front, I'd get the manic flashing). Well, with the new relay, no manic flashing when I signalled to that side (didn't try signalling to the opposite side; the one that still had an incandescent) so I posted up here.

Today I went to finish the job. Hooked up the last LED signal and..... NOTHING. Much head scratching. I put one incandescent back in and found that I could flash on the side that had both LEDs, but when I tried to flash the other side.....all four signals flashed (our Ducs don't have 4-way emergency flashers Huh?).

Now you take a look at the schematic and there's no way this can happen; the turn signal switch takes the signal from the flasher relay and sends it to either the left or the right circuit, each of which has its two signals in parallel.  WTF Huh?

I dicked around for a while and finally wired a ceramic power resistors in paralell with each front signal and buttoned it up. I really didn't want to use resistors, especially the ceramics since the leads are fragile (I broke one and had to re-solder it on) but there was no way I was going to stick the incandescents back on Angry
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brownwhale
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« Reply #7 on: July 21, 2008, 06:42:55 AM »

remove the tiny bulb in your dash that tells you when your signals are on
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CRASH!
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« Reply #8 on: July 21, 2008, 04:34:39 PM »

Ah, good point. I didn't notice the wiring to the dash indicator light, but it must be connected in some way to both left and right indicators and could therefore bridge both circuits.
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MotoCreations
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« Reply #9 on: July 21, 2008, 06:06:18 PM »

I had a similiar problem once on a '01 M900S -- ended up putting diodes into the circuit to solve the problem.  But didn't have the problem on my bike with the same wiring harness.  Never figured out why.

Flasher should work.  I've done the install @12+ times without problem except the one once above.

Also for those who HATE the sound of the flasher unit in their GM/Ford, you can swap the flasher also for digital.  It's rather peaceful not hearing that dang flasher donking at you as a reminder.
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spittmonkey
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« Reply #10 on: December 23, 2008, 07:12:47 PM »

My issue is somewhat different as on startup the signals (LED and integreted rear) flash as they are supposed to. About 5 min into the ride they will come on and stay on (not flash) but a blip of the throttle will cause them to start flashing. After about 10-20 of riding, even the blip does not work. They just come on and stay on. I am assuming it is the relay. I'm going to dig into it again today.
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speedevil
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« Reply #11 on: December 24, 2008, 05:30:49 AM »

Ah, good point. I didn't notice the wiring to the dash indicator light, but it must be connected in some way to both left and right indicators and could therefore bridge both circuits.

You should be able to use two 3W diodes and prevent the grounding through the turn signal indicator.  We had to do this on several Honda models that had a single indicator light on the dash when they went with LED signals.  I'll look at the schematic and see where the diodes need to go.  Since we're only talking "ma" of current for the turn signal LEDs the diodes don't need to be large ones (3W is overkill, actually).
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Dale

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« Reply #12 on: December 24, 2008, 04:03:55 PM »

We end up selling a turn signal control box for the bikes that the electronic relay won't work with. It is a product line popular with the Harley folks and goes in between the bike's wiring and the rear signals and other than being a box, is simple enough to install. They have models ranging from $30 to $150+ depending on the options. The high end ones are for complete control of the signals, includes timed cancellation, 4 way, turn signals as running lights, and about anything else one can do with the signals. Probably even pour  drink

They're not listed on our site b/c of the complicated nature of electronics. The two base models are applicable to Ducatis... a standard "load" and also a "thermal load". The thermal one is like $50 or 60 and is intended for bikes like the S2R that has the flasher integrated into the instruments. They claim you need the thermal one because the standard one could burn up if left on. Got me...

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Krista Kelley ... autist formerly known as chris
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