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All Other Models

  1. Turn ignition switch "OFF", and disconnect harness connector from control module. Set ohmmeter to x100 scale. Connect ohmmeter leads to terminals 7 and 31d of harness connector. See Figure. Measure pick-up coil resistance.
  2. If resistance readings are not to specifications, remove connector from distributor, and take reading at pick-up coil pins at distributor.
  3. If readings are still not to specifications, replace pick-up coil. If correct readings are obtained at distributor, but not at harness connector, replace harness.
    PICK-UP COIL RESISTANCE SPECIFICATIONS

    Application Ohms
    BMW 520-700
    Fiat 890-1285
    Mercedes-Benz 500-700
    Porsche 928 485-700
    Volvo
      GLT Turbo 4-Cylinder 950-1250
      GLE V6 540-660
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