2-110TM 9-2350-267-20A Remove bulb from MASTER WARNING light. TurnMASTER switch ON. Put red multimeter lead in center con-tact, ground black lead and check voltage. If no voltage,troubleshoot wire 509 from center contact to junction of wires509 and 27-28-40A (p 6-89). If voltage is present, go to step B.Repair if required.BPlace a good bulb in MASTER WARNING light socket. If bulblights, old bulb was bad and the wiring is good.TA310469
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