Thread: 75 firebird guage wiring
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02-23-2021 05:34 PM #2
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- Car Year, Make, Model: 36 Ford Sedan, 23 T Bucket
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Most gauges receive +12VDC directly (as marked on the gauge "+"), some gauges use a resistor to stabilize voltage and limit current to the gauge. The -12VDC (as marked on the gauge "S") is connected to the sending unit suppling ground to the gauge via resistance.
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