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Home >> Porsche >> 1983 >> 944 Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> DME Digital Engine Control >> Diagnosis & Testing >> Ignition Coil Resistance Check >> Primary Resistance

Primary Resistance

  1. With ignition switch "OFF", disconnect wires from primary terminals of ignition coil to isolate it from the system. Set ohmmeter for x1 scale. Connect ohmmeter leads to 2 primary terminals.
  2. Reading should be 0.4 - 0.6 ohm. If not, replace ignition coil.
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