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Home >> Buick >> 1985 >> Regal Base, 5.7 N >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - C3I >> Operation >> Ignition System Operation >> Power Circuit
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Power Circuit

A 10 amp fuse provides power for the ignition coils. A 7.5 amp ECM fuse provides a low current source for sensors and internal circuitry.

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