Thread: wiring for hub dynamo
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Old 04-22-12 | 08:23 AM
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mulveyr
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From: In the wilds of NY

Bikes: Specialized Diverge, Box Dog Pelican, 1991 Cannondale tandem

Originally Posted by Reeven
I have a shimano hub dynamo running an Edulux front light but now trying to wire in an led tail light (Smart TL267RG) . I can run either light but not the two together, doen't work in parallel. Earthing back through the frame. This should work right? What am I doing wrong please? Is there a special way to wire this up?
You probably have them wired out of phase. Even though the hub puts out A/C, you need to be consistent in which wire you treat as the ground.

Have you tried wiring it with two wires going to both the headlight and the taillight?
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