ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. ALL LIGHTS DO NOT WORK (LATE M146) - CONTINUED
Repeat step 16 for the other wire leading from front ON/OFF switch
Step 17.
to back ON/OFF switch.
Step 18.
end of wire leading from rear ON/OFF switch to blackout
ON/OFF switch and black probe on the other end.
If multimeter shows no continuity, notify Direct Support
Maintenance.
Step 19.
end of wire leading from blackout ON/OFF switch to right rear
light and black probe on the other end.
If multimeter shows no continuity, notify Direct Support
Maintenance.
Step 20.
end of wire leading from right front light to bus bar in right
junction box and black probe on the other end.
If multimeter shows no continuity, notify Direct Support
Maintenance.
Remove wires from bus bar in right junction box. Using multi-
Step 21.
meter set to read continuity, put red probe on one end of bus
bar and black probe on the other end.
a. If multimeter shows no continuity, replace junction box
b. If multimeter shows continuity, replace wire leading
from bus bar in right junction box to left main circuit
breaker. If circuit breaker needs replacement, notify
Direct Support Maintenance.
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