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 GLOW PLUGS CIRCUIT KNOWN INFO GLOW PLUG CURRENT OK PCB OK GLOW PLUGS NOT CYCLING POSSIBLE PROBLEMS WIRING GLOW PLUG CONTROLLER KNOWN INFO GLOW PLUG CURRENT Or PCB OK GLOW PLUGS NOT CYCLING POSSIBLE PROBLEMS WIRING GLOW PLUG CONTROLLER DIAGNOSTIC FLOWCHART 1 DISCONNECT BAll-ERY NEGATIVE CABLE. DISCONNECT PCB ENGINE CONNECTOR. IS THERE CONTINU- ITY FROM ENGINE CONNECTOR HARNESS SOCKET C TO GLOW PLUG CONTROLLER HARNESS SOCKET 4? 1. STEIICE-R TEST 91 (Page 2-509) 2. MULTIMETER REASON FOR QUESTION Wire 570A controls glow plug cycling. RECONNECT PCB ENGINE CONNECTOR. IS THERE CONTINUITY FROM GLOW PLUG CONTROLLER HARNESS SOCKET 5 TO ENGINE GROUND? TEST OPTIONS 1. STUICE-R TEST 91 (Page 2-508) 2. MULTIMETER REASON FOR QUESTIONS The controller can’t work properly without a proper ground. 2-302