MASTER WARNING LIGHT (cont) - TM-9-2350-256-20

MASTER WARNING LIGHT (cont) - TM-9-2350-256-20_279

POWERPLANT WARNING HORN - TM-9-2350-256-20_281

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 MASTER WARNING LIGHT--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. Q Remove powerplant and groundhop (see paragraphs 3-1 and 3-2). Disconnect wire 509 from engine high oil temperature switch. Place red lead of multimeter in wire 509 and black lead to ground. Turn MASTER switch on, start engine, and check for voltage. Turn engine and MASTER switch OFF. If voltage is present, replace engine high oil temp switch. If voltage is not present, repair/replace wire 509 of engine wiring harness from engine high oil temperature switch to engine disconnect (see paragraph 6-58 for dual voltage; 6-59 for single voltage). 2-212

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