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Home >> Porsche >> 1985 >> 944 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DME System >> Testing >> Ignition Coil Resistance Check >> Secondary Resistance

Secondary Resistance

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  1. With the ignition switch in the "OFF" position, remove wire from coil tower. Set ohmmeter at x1000 scale. Connect ohmmeter leads to ignition coil positive terminal and coil tower.
  2. Reading should be 5000-7200 ohms. If not within specifications, replace ignition coil.
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