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Home >> Oldsmobile >> 1985 >> Calais Base, 2.5 U, Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - C3I >> Operation >> Ignition System Operation >> Power Circuit

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.