CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONSTM 9-2350-256-202-19 ELECTRICAL TROUBLESHOOTING-ContinuedENGINE STARTING 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.A Remove three screws (1), three lockwashers (2), groundlead (3), and flat washer (4) and release main switchpanel (5) from mounting brackets. Disconnect wire 14from START switch side of circuit breaker. Place redlead of multimeter on terminal of circuit breaker andblack lead to ground. Turn MASTER switch on andcheck for voltage. Turn MASTER switch OFF. If voltageis present, go to step B. If voltage is not present, go tostep L.B Reconnect wire 14 to circuit breaker side of STARTswitch. Disconnect wire 14 from panel side of STARTswitch. Place red lead of multimeter on START switchterminal and black lead to ground. Turn MASTER switchon, push START switch, and check for voltage. TurnMASTER switch OFF. If voltage is present, go to step C.If voltage is not present, replace START switch (seeparagraph 6-10).2-66
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