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INFRARED HEADLIGHT(S) DONT WORKContinued - TM-9-2350-277-20-1_193
INFRARED HEADLIGHT(S) DONT WORKContinued - TM-9-2350-277-20-1_195
TM-9-2350-277-20-1 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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TM 9-2350-277-20-1
INFRARED
HEADLIGHT(S) DON’T WORK—Continued
0032 00
5Y
1. Install dimmer switch and wiring harness 12349881 plug on
dimmer switch.
2. Install wiring harness 12349881 circuit 514/515 plug on IR/BO
selector switch jack.
3. Remove harness 12349881 plug (1) from lighting control switch
jack (2).
4. Measure
resistance
between wiring harness 12349881 lighting
control switch plug (1) pin D (3) and IR/BO selector circuit 520
plug (4).
5. Does
multimeter
read 0 ohms?
YES
NO
5YN
1. Faulty harness 12349881 circuit 520.
Beyond unit maintenance repair.
2. Notify supervisor.
6Y
1. Install circuit 520 plug on IR/BO selector switch.
2. Replace lighting control switch (WP 0283 00).
3. Verify no faults found.
0032 00-4
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