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Home >> Saab >> 1990 >> 900 SPG, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing >> Ignition Checks >> EZK Ignition System >> Ignition Coil Power Source
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Ignition Coil Power Source

Turn ignition on. Using voltmeter, check voltage between terminal "B" and ground of each ignition coil plug. Battery voltage should exist.