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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
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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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