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Home >> Geo >> 1991 >> Storm Base, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Electronic Control Module (ECM) >> Metro
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Electronic Control Module (ECM): Metro

Power for ECM is supplied through the taillight fuse. The ECM distributes power or controls ground of various sensors, switches and solenoids for engine control.