Incandescent bulbs work, LED do NOT work
Hi. I've searched to the best of my ability folks mentioning why incandescent bulbs work and LED do not work, but I've been fruitless in my endeavor. I have a 2003 Fleetwood Tioga and only 1 dual ...
Forum Discussion
pnichols wrote:
However ... quality LED bulbs do have circuitry driving them that doesn't care about the incomng 12 volt polarity.
Yep. It's called a diode bridge and is the same device that is used to convert AC to DC. In an AC application, the diode bridge takes the alternating forward and reverse polarity and "converts" it to a single polarity. In the LEDs you refer to, it takes either forward or reversed polarity DC and converts it to forward.
https://en.wikipedia.org/wiki/Diode_bridge
