6 volt positive ground SW gauges

[tubman]

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Originally Posted by jkflathead

Does anybody make an electric, 6 volt, positive ground oil pressure gauge and and temp gauge? I am beginning to think that they are all mechanical. Or has "chevy43" got it right that polarity and voltage don't matter? I called Speedway and spoke with the "flat head" tech., he really didn't know much. I'd love to find electric. Thanks.

Well, since all electrical gauges I have seen have two connecting posts, I would say polarity doesn't matter; if they don't work, just switch the wires. As to voltage, I think a quick calculation with Ohm's Law, and a proper resistor may be all that is required.