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Main Light Switch Inspection

  1. Remove the main light switch. See MAIN LIGHT SWITCH  .
  2. Inspect for continuity between the dimmer switch terminals using an ohmmeter.

    0918-103 

    Fig 1: Inspecting Main Light Switch
    G04310526Courtesy of MAZDA MOTORS CORP.

    Inspection 

    MAIN LIGHT SWITCH INSPECTION REFERENCE

    Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
    Headlamps 6 and 2 Off Open circuit
    Head Closed circuit
    Park Open circuit
    Illumination dimmer resistor 2 and 4 Off Open circuit
    Head Closed circuit
    Park Closed circuit
  3. If not as specified, replace the main light switch.
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