Originally Posted by
tatfiend
Have a competent dealer check with Shimano as to the availability of item 6. Otherwise it sounds like a whole new hub may be required. No output at all usually means a broken wire internally with most dynamo hubs.
I'm fairly sure #6 screws in (not sure if it's l/h or r/h thread) and is just a casing with a load of magnets around the inside. The windings are on the axle, but can't be accessed without removing the magnet carrier.
ATM I don't intend to replace #6, I intend to repair it.
