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Home >> Cadillac >> 1991 >> Eldorado >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Basic Ignition System Checks (C4) >> Dis Ignition >> Ignition Coil Power Source
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Ignition Coil Power Source

Turn ignition on and check Pink or Pink/Black wire of ignition module for battery voltage. If battery voltage is not present, check ignition or ECM fuse. If fuse is not blown, check for open between fuse and ignition module.

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