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  1. Racefiend

    Oil pressure guage readings - What are yours?

    That would be a good theory. However, the fact I can actuate the gauge with a potentiometer, which changes resistance my entire ohms, and when I apply the resistance that I read on each sensor to the gauge I get a completely different gauge position than I do when plugging in the sensors, makes...
  2. Racefiend

    Oil pressure guage readings - What are yours?

    At this point that's my stance too. But I want to know whyyyyyyyyyyyyyy!
  3. Racefiend

    Oil pressure guage readings - What are yours?

    Well, I set up a test rig, and I'm still stumped. I pulled the cluster and fed it power and ran it through the original 3FE sensor. I applied 10 psi, and the gauge barely moved up. The more pressure I applied, the higher the gauge went, though it only swept about the lower 1/3 of the gauge. I...
  4. Racefiend

    Oil pressure guage readings - What are yours?

    I'm stumped as to how the gauge changes if the resistance doesn't change on the sender. It doesn't even budge .1 ohms, and I tested from 5psi to 100psi.
  5. Racefiend

    Oil pressure guage readings - What are yours?

    In researching whether to use the factory sender or the LS sender in the LS swap I'm doing, I tested the factory LS oil pressure sensor and got a resistance vs pressure chart. I then tested the 3FE sensor, and it acts as a switch. No pressure, open circuit. Anything about 5psi, it has 43 ohms...
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