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Oil Pressure Switch Test

  1. Remove the YEL/RED wire (A) from the engine oil pressure switch (B).
    Fig 1: Removing The Yel/Red Wire From The Engine Oil Pressure Switch
    G01463857Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Check for continuity between the positive terminal (C) and the engine (ground). There should be continuity with the engine stopped. There should be no continuity with the engine running.
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