TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 278 of 1205
TM 9-2320-387-24-l PROTECTIVE CONTROL BOX KNOWN INFO BATTERIES OK LEAD 578 GROUND OK POSSIBLE PROBLEMS PARKING BRAKE SWITCH BAD BODY HARNESS WIRES BAD GLOW PLUG COMROLLER BAD ALTERNATOR BAD HARNESS WIRE 2A BAD IGNITION SWITCH BAD HARNESS WIRE 29A BAD HARNESS WIRE 29C BAD PROTECTIVE CONTROL BOX BAD KNOWN INFO BATTERIES OK LEAD 578 GROUND OK POSSIBLE PROBLEMS PARKING BRAKE SWITCH BAD BODY HARNESS WIRES BAD GLOW PLUG CONTROLLER BAD ALTERNATOR BAD HARNESS WIRE 2A BAD IGNITION SWITCH BAD HARNESS WIRE 29A BAD HARNESS WIRE 29C BAD PROTECTIVE CONTROL BOX BAD KNOWN INFO BATTERIES OK LEAD 578 GROUND OK POSSIBLE PROBLEMS PARKING BRAKE SWITCH BAD BODY HARNESS WIRES BAD GLOW PLUG CONTROLLER BAD ALTERNATOR BAD HARNESS WIRE 2A BAD IGNITION SWITCH BAD HARNESS WIRE 29A BAD HARNESS WIRE 29C BAD PROTECTIVE CONTROL BOX BAD WITH THE IGNITION SWITCH IN RUN (ENGINE NOT RUNNING) POSITION, ARE ANY LEDs ON? (REFER TO TABLE AT RIGHT.) DIAGNOSTIC FLOWCHART r OPTlONS 1. TRYrr. 2. VISUAL REASON FOR QUESTION If no LEDs are ON, that would indicate malfunctioning batteries. IS LED 7 ON? VISUAL If these LEDs are not ON, that would indicate a bad connection to ground. REPAIR GROUND BODY HARNESS ARE LEDs 2,3, AND 4 ON? T OPTlONS VISUAL REASON FOR QUESTION If those LEDs are not ON, that would indicate a PC6 malfunction. 2-220