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Home >> Jeep >> 1985 >> Cherokee Laredo, 2D Utility, 2.5 U, 4WD, Standard, AX4 >> Repair and Diagnosis >> Engine Performance >> System >> 2.8L Carburetor CEC System >> Operation >> Electronic Control Module (ECM) >> Power Supply

Power Supply

The main source of power for the ECM is from the battery, through the ignition circuit.