Oil pressure switch- continuity?

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  • gavs20v
    S2Forum Possessed
    • Sep 2004
    • 3057
    • Country: United Kingdom

    #1

    Oil pressure switch- continuity?

    Should there be continuity through the oil pressure switch when the engine is running on 95 urs6 aan?
    Ive got continuity with ignition on without engine running but lose continuity when engine fires up and is running. Is this correct?
    Thanks
    Gav
    S2 Cabriolet.........
  • johne
    S2Forum Extremist
    • Apr 2007
    • 1404
    • Country: United Kingdom

    #2
    It depends which oil pressure switch you're talking about. The one on it's own has no continuity when the engine is stationary and goes short circuit when the oil pressure reaches about 2 bar. The one in the oil pressure sender unit has continuity when the engine is stationary and goes open circuit around 0.5 bar of pressure.

    John

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    • gavs20v
      S2Forum Possessed
      • Sep 2004
      • 3057
      • Country: United Kingdom

      #3
      The one i mean is the lower one with the single spade connector. Below the larger one with the two spade connectors that gives info to the gauge
      Gav
      S2 Cabriolet.........

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