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Home >> Mazda >> 1983 >> GLC Custom, 4D Wagon, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Speed Switch

Speed Switch

  1. Remove instrument panel from dashboard. Remove speedometer glass and connect test lamp and battery. See Fig 1 . When speedometer needle indicates less than 63 MPH, test lamp should glow.
    Fig 1: Testing Vehicle Speed Switch Connect test lamp as shown.
    G41691
  2. When speedometer needle indicates more than 63 MPH, lamp should not glow. If lamp does not operate as described, replace speed switch.