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Home >> Chevrolet >> 1992 >> Blazer Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> C-4, Basic Ignition System Checks (Gasoline) >> 3.8L With C(3)I >> Ignition Coil Resistance
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Ignition Coil Resistance

Disconnect ignition coil leads. Use an ohmmeter to check ignition coil resistance. Primary resistance should be .5-.9 ohm. Secondary resistance should be 5000-8000 ohms. Replace ignition coil if not within specification.