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Home >> Mazda >> 1997 >> MX-5 Miata STO, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing >> Ignition Checks >> Ignition Coil Power Source
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Ignition Coil Power Source

Turn ignition on. Using voltmeter, check for 12 volts between ignition coil positive (+) terminal and ground. If voltage is not present, check battery feed, main fuse, ignition switch and fusible links. See appropriate wiring diagram in WIRING DIAGRAMS article.