CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONSTM 9-2350-256-202-19 ELECTRICAL TROUBLESHOOTING-ContinuedGENERATOR INDICATOR GAGE--ContinuedWARNINGRemove all jewelry such as rings, dogtags, bracelets, etc. If jewelry contactsa metal surface a direct short may resultin instant heating of tools, damage toequipment, and injury or death topersonnel.E Place red lead of multimeter on pin N of wire 10/15 andblack lead to ground. Turn MASTER switch on andcheck for voltage. Turn MASTER switch OFF. Ifvoltage is present, go to step F. If voltage is notpresent, go to step H.F Reconnect switch panel to gage panel and miscell-aneous switches wiring harness to main switch panel.Disconnect wire 25/27 from 15 A circuit breaker. Placered lead of multimeter on circuit breaker terminal andblack lead to ground. Turn MASTER switch on andcheck for voltage. Turn MASTER switch OFF. Ifvoltage is present, repair/replace wire 27 of mainlighting and B. O. selector switch wiring harness (seeparagraph 6-69). If voltage is not present, go to step G.G Reconnect wire 25/27 to 15 A circuit breaker. Discon-nect wire 10 from 15 A circuit breaker. Place red leadof multimeter in wire 10 and black lead to ground. TurnMASTER switch on and check for voltage. TurnMASTER switch OFF. If voltage is present, replace 15A circuit breaker (see paragraph 6-10). If voltage is notpresent, repair/replace wire 10 of main lighting and B.O. selector switch wiring harness (see paragraph 6-69).2-160
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