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Home >> Honda >> 1989 >> Civic DX, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Basic Testing >> Ignition Checks >> Electronic Ignition System >> Ignitor Power Source
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Ignitor Power Source

Turn ignition off. Disconnect harness connector at distributor. Turn ignition on. Using voltmeter, check for battery voltage between ground and Black/Yellow wire of harness. If voltage is not present, check for open in Black/Yellow wire between ignition coil and harness connector. If wire is okay, check ignition coil resistance (for internal short to ground).

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