A Disconnect wire 27 from MASTER WARNING light. Then
turn MASTER switch ON. Using multimeter set on dc volts
scale, place red lead in wire 27 and ground black lead to hull.
If voltage is present, go to step B. If no voltage, repair or replace
wire 27 (p 6-84).
B
Disconnect wire 509 from MASTER WARNING light. With
red multimeter lead in wire 27, place black lead in wire 509. If
voltage is present, replace bulb (p 7-53). If no voltage, repair
wire 509 (p 6-84).
TA310466
2-107
TM 9-2350-267-20
