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Pick-up Coil

  1. Connect external vacuum source to distributor vacuum advance. Connect ohmmeter leads as shown by meter "A". See  Figure .  Apply vacuum and operate advance unit through entire range while observing ohmmeter. Reading should be infinity at all times. If ohmmeter reading fluctuates, replace pick-up coil.
  2. Connect ohmmeter leads as shown by meter "B". Operate vacuum advance through entire range while observing ohmmeter. Reading should be 500-1500 ohms. If ohmmeter reading fluctuates from specification replace pick-up coil.
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