Temp gauge/tach shutdown

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    • November 9, 2016 at 10:34 pm #46498
      Lindy57
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        OK,new issue on 404 4cyl Foton. Wacking 6ft weeds and it suddenly puts the temp gauge off the scale and also the tach shuts down. Cleaned out radiator,checked AF level and went back out to have the same thing happen,and radiator seem clean. Would this be the temp sensor going out,or water pump. It is warm ,but doesn’t seem like it is overheated like the gauge jumps to. Also a source on the parts? Thanks

      • November 9, 2016 at 11:28 pm #46499
        Piper184
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          Since you are having problems with two gauges at the same time and one of them seems to not be accurate, my first guess would be an electrical problem.

          Check the connections at the temp sensor and at the fuse block for the instrumentation circuit.  Sounds a lot like a loose connection or a short in a wire somewhere. After that it gets a little more complicated without seeing a schematic.

          I once switched the wires between the oil pressure sensor and the oil pressure switch, boy did that make things go wonky until I figured it out.

        • November 11, 2016 at 9:10 am #46500
          DavidPrivett
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            the Chinese pin connectors have no gel or o rings so they can get corroded from dirt and moisture. and can be a issue and remember check the grounds check to see if these two gauges run in the same harness . good luck

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