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I am no electrical or electronics person, need assistance


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That is not a simple piezo element. It has a transistor driver circuit built in. It can run on anything from 3 Vdc to 28 Vdc.



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i used one of those once as a reverse beeper on my Suburban. as easy as connecting to the reverse light, mounting it below the outside of the tail light, and gluing a piece of plastic wrap over the hole to keep it from filling with water. so, yes, it does work quite well from 12V.

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