temperature sensor

  1. O

    Can’t get these gauges to work…

    Hi there! I’m new here… Just picked up a CLEAN 60,000mi 1990 GMC Suburban 3/4 R2500, 2wd with a 350tbi and a turbo400. Getting a few gremlins sorted, but I can’t for the life of me figure out what’s going on with my fuel gauge, oil pressure gauge, and temp gauge. I started out with the usual...
  2. M

    Help needed with finding block wiring diagram and wiring diagrams for 1984 Chevy Silverado with 305

    Help needed with finding block wiring diagram and wiring diagrams for 1984 Chevy Silverado with 305 The issue we have is wiring for the temp sender there are two wiring harness we believe but have only one sensor on the motor. Thanks Mark
  3. 79Square

    79 250 2nd temp sensor

    I am a newbie, and just got a 79 C10, I6 4.1 250. I'm having issues with the temperature gauge readings, and the gauge stays at the low 'C' level. I am replacing the thermostat and the temp sending unit(s), and noticed that there are two sensors. One at the thermostat housing (see pic 1) and one...

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