TM 9-2350-247-20-1
BLACKOUT STOPLIGHT DOES NOT WORK
0039 00
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
General Mechanic’s Tool Kit (WP 0541 00, Item 57)
Multimeter (WP 0541 00, Item 29)
Personnel Required
Unit Mechanic
References
See your -10
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
Battery negative lead(s) disconnected (WP 0292 00)
T
1. Check for loose electrical connections.
2. Are electrical connections clean and tight?
YES
NO
TN
1. Clean and tighten loose electrical
connections.
2. Verify no faults found.
Y
1. Partially remove instrument panel (1) (WP 0256 00).
2. Disconnect circuits 19 (2), 514-515 (3), and 520 (4) from
infrared-blackout select switch.
3. With switch in BLACKOUT position, measure resistance
between circuit 19 terminal (2) and circuit 520 (4) terminal.
Reading should be 0 ohms.
4. Does multimeter show 0 ohms?
YES
NO
YN
1. Replace infrared-blackout select
switch (WP 0263 00).
2. Verify no faults found.
0039 00-1
