SECTION V: TROUBLESHOOTINGTM 9-2350-256-20WARNINGRemove 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.J Place red lead of multimeter in socket G of wire 62 andblack lead to ground. Turn MASTER and APU GENswitches ON and check for voltage. Turn MASTER andAPU GEN switches OFF. If voltage is present, go tostep K. If voltage is not present, repair/replace wire 62of bulkhead to APU, master relay, and rigger's lightswiring harness (see paragraph 6-76).K Reconnect bulkhead to APU, master relay, and rigger'slights wiring harness to APU engine disconnect.Disconnect APU control box to foot dimmer switch andbulkhead wiring harness from APU control box. Placered lead of multimeter in socket H of wire C and blacklead to ground. Turn MASTER and APU GEN switchesON and check for voltage. Turn MASTER and APUGEN switches OFF. If voltage is present, go to step L.If voltage is not present, go to step Q.2-151
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