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Page Title: MASTER INDICATOR WARNING LIGHT CIRCUIT. (Cont)
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TM 9-2350-238-20-1
Make sure MASTER switch is OFF before repairing
electrical circuits. Failure to observe this warning
could result in injury to personnel.
Disconnect lead 459 from MASTER IND warning light. Place red probe in
Step 4.
lead 459. Ground black probe. Set MASTER switch ON. If multimeter
indicates about 24 volts, replace MASTER IND warning light. Refer to
page 2-571. If multimeter does not indicate about 24 volts, go to step 5.
Set MASTER switch OFF. Connect lead 459 to MASTER IND warning
light.
Make sure MASTER switch is OFF before repairing
electrical circuits. Failure to observe this warning
could result in injury to personnel.
Step 5.
Disconnect lead 459 to diode. Place red probe in lead 459. Ground black
probe. Set MASTER switch ON. If multimeter indicates no voltage, go to
step 6 and connect lead 459 to diode. If multimeter indicates about 24
volts, remove diode from circuit and connect lead 459 directly to MASTER
IND warning light. If MASTER IND warning light is on, replace diode.
Refer to page 2-371. If MASTER IND warning light is off, replace
MASTER IND warning light. Refer to page 2-571. Set MASTER switch
OFF. Connect diode to MASTER IND warning light. Connect lead 459 to
2-173

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