I like the voltage meter idea, thanks!
Click here to see the source for the datel digital voltmeter. There's lots of other choices of course. The Datel is fully potted so with a dab of liquid insulation over the connecting terminals it's totally waterproof as far as I can tell, and very accurate to the 1/10 volt.
Slight tangent .... you're a better man than I
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The Duc stays at home when I need heated gear, I gotta wuss-out and take the Connie in that kind of weather:
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