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 DIAGNOSTIC FLOWCHART I KNOWN INFO r OPTIONS DOES THE BRAKE WARNING LAMP OPERATE PROPERLY? WATT-TO-START LAMP OK INSTRUMENTS SENDING UNITS REASON FOR QUESnON If the brake warning lamp comes on at any time, then the circuit is being powered. KNOWN INFO OPflONS VISUAL BRAKE LAMP OK DOES THE VOLTMETER WORK? REASON FOR QUESnON If the voltmeter works then the power to the instruments is OK. POSSIBLE PROBLEMS INSTRUMENTS WIRING SENDING UNITS 6 1 TEST OPnONS KNOWN INFO VOLTMETER OK VISUAL TURN ROTARY SWITCH TO OFF POSITON. DISCONNECT THE GLOW PLUG CONTROLLER. WITH THE ROTARY SWITCH IN THE RUN POSITION, DOES THE WINDSHIELD WIPER WORK? TURN ROTARY SWITCH TO OFF POSITION. RECONNECT THE GLOW PLUG CONTROLLER. REASON FOR QUESnON If the windshield wiper works, then the power to the wiper is OK. POSSIBLE PROBLEMS INSTRUMENTS WIRING SENDING UNITS 2-308