oil pressure sender

  1. B

    GM  Oil Pressure sending unit ohms

    I have a 1970 FJ40 with a small block 350. I’m not sure of the year of the motor. I’m trying to find out the operating ohm range for the oil pressure sending unit. I can’t seem to find the answer anywhere. I’m new to the mechanic game so over explaining is welcomed. 😁
  2. J

    Oil Pressure Sender & Gauge Troubleshooting

    I'm troubleshooting my 74-2F oil pressure gauge and am at a point where I'd like to know the expected ohm range for a warm motor at idle VS running RPM 2-3k? The current sender is reading about 10 ohms regardless of RPM and a new one I picked up from NAPA is sticking at about 35 ohms also...
  3. PaulGrant

    Oil Pressure gauge not working

    Hi Guys, I have an oil pressure gauge that is not working. I have purchased a new oil pressure sender and installed it. When I inserted the clip back onto the sender and tested it the gauge still did not work. I also checked all my fuses. I then noticed another clip on the same cable that...
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