VENTILATION BLOWER SYSTEM (cont) - TM-9-2350-256-20

VENTILATION BLOWER SYSTEM (cont) - TM-9-2350-256-20_399

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 VENTILATION BLOWER 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. H Reconnect electrical accessories panel wiring harness to electrical accessories panel. Open air inlet doors (TM 9- 2350-256-10). Disconnect wire 48 pin A from bulkhead to master relay wiring harness. Place red multimeter lead in socket and black lead to ground. Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, repair/replace switch panel, radio, and bilge pump to bulkhead wiring harness (see paragraph 6-53). If voltage is not present, troubleshoot master relay circuit (see paragraph 2-19, master relay fails to operate). 2-332

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