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constant voltage regulator

  1. 69 Fuel Gauge: Install constant 5v

    Vintage Mustang Forum
    I have a centroid fuel gauge sending unit. The manual tells me I need to power my stock fuel gauge with constant 5 volt power instead of the pulsing 5 volts from the factory. I have an automotive 12v to 5v converter, I'm just not sure what wires to splice into to make it work. I've been unable...
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