I have a Bridgestone Tentoumushi dynamo hub that I built into a 27" wheel some years ago. It came with an ancient headlight which, as I recall, worked ok with streetlights around, but not at all in pitch black. It has a single pole, and uses the frame for ground. My question is: Is there some way to wire this thing so it can be used with modern led lighting? Can anyone point me in the direction of someone who might be knowledgeable in these things?
Thanks in advance

I posted this, briefly in the lighting and gadgets forum and then thought better of it.
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