Originally Posted by Mac
No, it would apply 6 volts on each if 12 volt were applied to each end. They'd be dimmer, but it'd work.
umm....no...the OP said his bike has a 6 volt system and you said to use two 12 volt LED bulbs in series...if that were done each bulb would only see 3 volts and would not work at all. If you meant to wire two 12 volt bulbs in parallel that would not work in a 6 volt system either.