Quote:
Originally Posted by LM44S
I do not uunderstand why there is 6 volts going to the gauge and only 3.8 volts going out of the gauge?
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The gauge itself has some internal resistance, so it's output to the sender would be expected to be something less than the 6 volts going in.
I have never put a voltmeter on a gauge's output to the sender, but your 3.8 volts seems reasonable to me.