Joined: Nov 2006
Posts: 19,810
Likes: 597
From: NJ, NYC, LI
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
Is either the headlight or the taillight attached directly to the dynamo, or do you have three separate items -- a dynamo, a headlight and a taillight? If the latter, it's pretty doable. You need to electrically isolate the dynamo from the frame, and run two wires into a bridge rectifier, so you can run direct current from there to the bulbs. If you have a light attached directly to the dynamo, it's very difficult to insulate the LED from the dynamo, and the DC will kill the LED. There are a bunch threads about converting lights to LED power...