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Home >> Mercury >> 1983 >> Capri Base, Standard, RAP >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - DURA-Spark II >> Testing >> Ignition Coil Secondary Resistance Check

Ignition Coil Secondary Resistance Check

  1. Disconnect ignition coil wire and ignition coil connector from coil. Connect ohmmeter leads to ignition coil "BATT" terminal to high voltage terminal. Measure resistance and reconnect all connectors.
  2. If resistance is 7,700-10,500 ohms, coil is okay, proceed to MODULE-TO COIL WIRE CHECK. If resistance is less than 7,700 or greater than 10,500 ohms, replace ignition coil.
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