LED lighting problems.......... - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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Old 11-30-2012, 10:46 PM   #1 (permalink)
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LED lighting problems..........

Iíll start with the basics, my bike is a 2008 FXSTB Night Train, it does not have a factory or aftermarket alarm. Up until today, it was only equipped with a HD LED headlamp and HD LED tail light. The turn signals/running light were the stock, incandescent bulbs.

So today, I installed my recently received Custom Dynamics LED turn/running light kit. The kit consisted of Custom Dynamics red LED bullet clusters for the rear, white/amber Dynamic Ringz LED bullet clusters for the front, a signal stabilizer(which is their version of a load equalizer) and their ďTriple PlayĒ brake/running/turn signal controller.

The installation was straightforward and everything worked EXCEPT my front right turn/running light. It is supposed to have the white ring brightly illuminated as a running light and when the turn signal is activated, the white LEDs turn off and the center amber LEDs flash. It works perfectly on the left front turn signal, not all on the right. On the right, the white LED ring is barely, and I mean barely, illuminated and when the right turn signal is activated, the white LED ring flashes, still barely illuminated.

I swapped the LED clusters, left to right and back, and both worked fine on the left side, but as described above on the right side. Pretty sure it ainít the LED clusters. I also tried it with and without the signal stabilizer but no joy, all that did was cause the signal to flash faster as expected. I tried it with and without the Triple Play, no effect. I tried it with the bike running, no change. I put the stock incandescent bulbs back in, they worked fine. I left the LED in the left lamp and put the incandescent back in the right, the both worked fine. WTF?







Anybody got any ideas? Iíve already sent an email to Custom Dynamics about it but it is a weekend soÖ..
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Old 12-01-2012, 06:48 AM   #2 (permalink)
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I had one a while back that gave symptoms similar to what you're getting. I traced it down to the socket itself. My regular bulb worked in the socket but the LED didn't, the regular bulb base was slightly longer than the LED. I worked the inside of the socket part that has the contacts and it loosened up and protruded farther out and the LED worked after that.
Otherwise it sounds like you covered all the bases.
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Old 12-01-2012, 10:37 AM   #3 (permalink)
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Originally Posted by SCHMIDTYS View Post
I had one a while back that gave symptoms similar to what you're getting. I traced it down to the socket itself. My regular bulb worked in the socket but the LED didn't, the regular bulb base was slightly longer than the LED. I worked the inside of the socket part that has the contacts and it loosened up and protruded farther out and the LED worked after that.
Otherwise it sounds like you covered all the bases.
I pulled the light housing apart and messed with a bit but had no luck. Perhaps I'll try it again. Thanks for the suggestion.
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Old 12-01-2012, 10:40 AM   #4 (permalink)
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Sorry for not knowing the brand. Do they plug/insert into the existing HD lamp socket?
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Old 12-01-2012, 10:43 PM   #5 (permalink)
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Sorry for not knowing the brand. Do they plug/insert into the existing HD lamp socket?
Yes, standard 1157 light base. So far most folks I've heard from are saying it's probably the light socket itself not making adequate contact for one reason or another. So I'm gonna try, again, to work on that angle.
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Old 12-02-2012, 09:40 AM   #6 (permalink)
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It exhibits all the symptoms of a bad ground connection. Make sure the socket and bulb base are clean.
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Old 12-02-2012, 10:33 PM   #7 (permalink)
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I figured it out! It wasn't the LED or the socket per se, it was this:



Factory wiring had the turn signal wiring running to the ground contact in the socket and the ground wire running to the turn signal contact. Apparently the incandescent bulb will work this way because it did just fine but the LED, not so much. Nice quality control HD!

Anyway, it's fixed and works great now. Thanks to all for the input, it helped me figure this out for sure.
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Old 12-03-2012, 12:35 AM   #8 (permalink)
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I have the same rings on mine and love them, glad you got it figured out!
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Old 12-03-2012, 12:17 PM   #9 (permalink)
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I have the same rings on mine and love them, glad you got it figured out!
Yes, the rings are really cool and the LEDs front and back are awesome. Super bright and easy to see. What's not to like, right? Except that frakkin' HD wiring.............
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Old 01-07-2013, 06:46 AM   #10 (permalink)
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Yes, the rings are really cool and the LEDs front and back are awesome. Super bright and easy to see. What's not to like, right? Except that frakkin' HD wiring.............
No doubt, the LED light look superb. I don't have this bike but i am really impress by LED light. Can we add this LED light on another bike?
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