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Home >> Ford >> 2021 >> Edge ST-Line, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Engine Controls - Description & Operation (Diesel)) >> Powertrain Control Hardware >> Power and Ground Signal Circuits >> Keep Alive Power (KAPWR)
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Keep Alive Power (KAPWR)

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The KAPWR circuit supplies a constant battery voltage (B+) input to the PCM to maintain memory contents when the ignition is in the OFF position.

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