Quote:
Originally Posted by theway
[...]connection and it’s loud and clear. Buzzer is fine. So then I take a multimeter to the exposed wire near the Rule buzzer and I get 12.7V. Ok, then I test with a test light (Works) and a small string of 12V LED and they all light up fine. So, I then try the my new buzzer again and still only a light fizzle  . Maybe 5% of the volume compared to when I attached elsewhere.
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Measuring the
current with a DC clamp meter _could_ reveal a high
current, but how high is too high? Doesn't it mention the max current in the manual? A better and easier/cheaper way (if you don't have a DC clamp meter) is to measure the voltage on the buzzer while it's buzzing. It should not drop more then 0.5V.
Secondly, what happens if the
alarm goes off but you're not on board?