Yes, but it needs to be real dark so U can see the "Glow" like a "Timex Watch"!!! Actually an L.ight E.mitting D.iode doesn't run on much voltage by itself. However they combine in "Series Wiring" several Diodes to withstand 12 or 24 volts. So, if U can "Open" the "Bulb" U can change the inside ...