FixVault
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Jeep
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1985
›
Cherokee Base, 2D Utility, 2.1 B, Automatic
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Repair and Diagnosis
›
Engine Performance
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System
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2.8L Carburetor CEC System
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Operation
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Electronic Control Module (ECM)
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Power Supply
Power Supply
The main source of power for the ECM is from the battery, through the ignition circuit.