SERVICE CONDITION (B.O. STOPLIGHT) (cont)

SERVICE CONDITION (B.O. STOPLIGHT) (cont) - TM-9-2350-256-20_369

SERVICE CONDITION (B.O. STOPLIGHT) (cont) - TM-9-2350-256-20_371

TM-9-2350-256-20 Carrier Cargo Tracked 6-Ton M548A1 (2350-01-096-9356) M548A3 2350-01-369-6081 Manual
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CHAPTER E: VEHICLE MAINTENANCE INSTRUCTIONS TM 9-2350-256-20 2-19 ELECTRICAL TROUBLESHOOTING-Continued B.O. SERVICE CONDITION (B.O. STOPLIGHT}-Continued WARNING Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct short may result in instant heating of tools, damage to equipment, and injury or death to personnel. E Place red lead of multimeter on pin D of wire 75/16 and black lead on pin L of wire 75. Check for continuity. If continuity is present, go to step F. If continuity is not present, go to step I. F Reconnect switch panel to gage panel and miscellaneous switches wiring harness to main switch panel. Disconnect wire 75 of main lighting and B.O. selector switch wiring harness at connector. Place red lead of multimeter in female connector of wire 75 and black lead to ground. Turn MASTER switch on, UNLOCK and move main lighting switch to B.O. MARKER position, and check for voltage. Turn MASTER and main lighting switches OFF. If voltage is present, repair/replace wire 75 of main lighting and B.O. selector switch wiring harness (see paragraph 6-69). If voltage is not present, go to step G. G Reconnect wire 75 of main lighting and B.O. selector switch wiring harness at connector. Disconnect main lighting and master relay wiring harness from main lighting switch. Place red lead of multimeter on pin N of and black lead on pin K of main switch. Check for continuity. If continuity is present, go to step H. If continuity is not present, replace main lighting switch (see paragraph 6-10). 2— 302

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