These bulbs are probably suitable for most applications except turn signals. That's what I bought them for, and that's not what they're made for. I think I heard the computer can't read that they are working properly because the LEDs draw so little power. I think it has to do with the amps they pull, but I'm not 100% sure it is. So for myself I went back and bought old school bulbs and they work great for a turn signal.
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