Pick-up Coil
- 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.
- 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.