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Wiring two senors into one gauge?

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Old Jul 4, 2017, 05:44 PM
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BTR
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Wiring two senors into one gauge?
I would like to havemy oil pressure and fuel pressure wired to the same gauge. I currently have an Aem oil pressure gauge(150pis) in my car and I have an extra 150psi sensor and harness sitting in abox. I would like to use the other sensor for fuel pressure and run the signal wireto my oil pressure gauge. The oil and fuel signals will be on a separate O/I switchthen connected the gauge. I’m concerned about a change in resistance since the 0-4.5vwill be going through a switch and displaying an incorrect linear scale value.Does anyone know if it will be a big difference in the scaling? If anyone has some advice or knows of a write up of this being done please lmk. Thank you
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