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Old 03-05-15, 12:51 PM
  #34  
kickstart
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Join Date: Feb 2014
Location: Kent Wa.
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Bikes: 2005 Gazelle Golfo, 1935 Raleigh Sport, 1970 Robin Hood sport, 1974 Schwinn Continental, 1984 Ross MTB/porteur, 2013 Flying Piegon path racer, 2014 Gazelle Toer Populair T8

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Originally Posted by Mr IGH
I suspect it's a grounding issue, if the dyno hub is an older version with one side grounded on the fork blade newer LED lights may not work or show symptoms such as you're having.
I had an issue when I upgraded my Gazelles halogen headlight to LED, and needed to change how it was wired, there was an incompatible ground.
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