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Home >> Ford >> 1982 >> LTD Base, 4D Wagon >> Repair and Diagnosis >> Engine Performance >> Ignition System >> MOTORCRAFT DURA-Spark III Ignition System (EEC) >> Testing >> Ignition Coil Primary Resistance Check

Ignition Coil Primary Resistance Check

  1. Disconnect ignition coil connector. Connect ohmmeter leads to "BATT" and "TACH" terminals of ignition coil. Measure resistance, remove ohmmeter leads, and reconnect ignition coil connector.
  2. If resistance was 9.8-1.6 ohms, proceed to "MODULE-TO-COIL WIRE VOLTAGE CHECK ". If resistance was less than 0.8 ohms or greater than 1.6 ohms replace ignition coil.