TM 55-1520-240-T4-13.8 NO. 1 OR NO. 2 ENGINE CHIP DETECTOR INDICATOR DISPLAY IS ALL BLACK WHEN GND SWITCH SET TO TEST4-13.8FAULT ISOLATION PROCEDUREPersonnel Required:Aircraft ElectricianINITIAL SETUPReferences:Applicable Configurations:TM 55-1520-240-23With 74Tools:Equipment Condition:Electrical Repairer's Tool Kit,TM 55-1520-240-23: Battery ConnectedNSN 5180-00-323-4915Electrical Power OnMultimeterHydraulic Power OffMaterials:NoneGO TO NEXT PAGE4-326 Change 17
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