CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS TM 9-2350-256-202-19 ELECTRICAL TROUBLESHOOTING-ContinuedEXHAUST SMOKE GENERATING SYSTEM---ContinuedWARNINGRemove all jewelry such as rings, dog tags ,bracelets, etc. If jewelry contacts a metalsurface a direct short may result in instantheating of tools, damage to equipment, andinjury or death to personnel.I Reconnect wire 27A of driver's vehicle exhaustsmoke bracket to bulkhead connection wiringharness to Y-connector. Disconnect wire 27 of switchpanel to gage panel and miscellaneous switcheswiring harness from Y-connector. Place red lead ofmultimeter on wire 27 and black lead to ground.Turn MASTER switch on and check for voltage.Turn MASTER switch OFF. If voltage is present,replace Y-connector (see paragraph 6-93). Ifvoltage is not present, repair/replace wire 27 ofswitch panel to gage panel and miscellaneousswitches wiring harness (see paragraph 6-55 fordual voltage; 6-56 for single voltage).J Place red lead of multimeter in socket C of wire 26Band black to ground. Turn MASTER switch on andcheck for voltage. Turn MASTER switch OFF. Ifvoltage is not present, go to step Q. If voltage ispresent, go to step K.K Place red lead of multimeter in socket D of wire Tand black lead to ground. Turn MASTER switch onand check for voltage. Turn MASTER switch OFF.If voltage is present, go to step L. If voltage is notpresent, go to step 0.2-354
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