TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l STARTER CIRCUIT r KNOWN INFO NO VOLTAGE AT ROTARY SWITCH POSSIBLE PROBLEMS PCB WIRING KNOWN INFO NO VOLTAGE AT ROTARY SWITCH WIRING TO ROTARY SWITCH OK POSSIBLE PROBLEMS PCB WIRING /IRING OK ‘CB ,CiZY~ DIAGNOSTIC FLOWCH DISCONNECT BATTERY NEGATIVE CABLE. DISCONNECT BODY CONNECTOR FROM PCB. IS THERE CONTINUITY FROM SOCKET G OF BODY CONNECTOR HARNESS TO WIRE 11 A AT ROTARY SWITCH ? - 1. STE/ICE-R TEST 91 (Page 2-508) 2. MULTIMETER REASON FOR QUESTION If this wire is open, no power can get to the rotary switch. REPAIR WIRE 11A OR REPLACE TEST OPTIONS I RECONNECT WIRE 11A AT ROTARY SWITCH. DISCONNECT ENGINE CONNECTOR OF PCB. RECONNECT BATTERY NEGATIVE CABLE. IS THERE BATTERY VOLTAGE AT SOCKET E OF CONNECTOR HARNESS? REPLACE PROTECTIVE CONTROL BOX. ART 1. STUICE-R TEST 89 (Page 2-506) 2. MULTIMETER REASON FOR QUESTION This wire provides power from the batteries directly to the PCB. If there is power here, then this wire is OK and the PCB must be bad. 2-286