ENGINE STARTING SYSTEM (cont) - TM-9-2350-256-20

SECTION V: TROUBLESHOOTING - TM-9-2350-256-20_137

ENGINE STARTING SYSTEM (cont) - TM-9-2350-256-20_139

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 2: VEHICLE MAINTENANCE INSTRUCTIONS TM 9-2350-256-20 2-19 ELECTRICAL TROUBLESHOOTING-Continued ENGINE STARTING SYSTEM-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. K Place red lead of multimeter in socket B of wire 74 and black lead to ground. Turn MASTER switch on, push START switch and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step N. If voltage is not present, replace/repair wire 82/74 of module starter wiring harness (see paragraph 6-40). L Reconnect wire 14 to START switch side of circuit breaker. Disconnect wire 10 from circuit breaker. Place red lead of multimeter in wire 10 and black lead to ground. Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, replace circuit breaker (see paragraph 6- 10). If voltage is not present, go to step M. M Disconnect switch panel to gage panel and miscellaneous switches wiring harness from main switch panel. Place red lead of multimeter on pin M of wire 10 and black lead to ground. Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, repair/replace wire 10 of circuit breaker-to- main present, troubleshoot battery power circuit. 2-70

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