el pollo , I forgot about all that nonsense .
It took me a long time to learn how to do this a simple way that i could explain it to other people .
It clicked the first time I did the LED headlight lamp on a ct-90 and didn't need the rectifier because the bike already has one to support the battery turn signals.
Basically , it was already DC.
Its easy, AC in DC out .
The capacitor is there to prevent voltage spikes and a diode to prevent return electricity spikes.