
I realize the 1156 is an automotive bulb and my application is different than most. My gas light on our front light post was replaced by a photoresistor light sensor and a dual bulb candelabra that takes 2 X 1156 bulbs. The issue is they are connected in series and run on a 24V power supply. What's worse is they are not connected correctly for these bulbs even if they can handle 24V. These bulbs worked fine on a 12V power supply I have but required positive on the tip and negative on the side. The way my front light is wired, one bulb has positive on the tip, then the side is a common rail, which means for bulb #1, the side is negative but on bulb #2, the side is positive meaning the tip is negative on bulb #2. So in the end, current does not flow through these bulbs.This is not a knock on these bulbs in any way and I can't comment on their longevity because they don't work for my application. But in my 12V testing, they were very bright.

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