Quantcast ONE OR MORE LAMPS WILL NOT LIGHT - TM-9-2330-380-14-P0072

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TM 9-2330-380-14&P
Table 3-1. Operator/Crew Troubleshooting (cont'd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. ONE OR MORE LAMPS WILL NOT LIGHT
NOTE
M129A4 Registration Number NX0RKB and Subsequent semitrailers are equipped
with LED lighting systems. Lamps can not be replaced.
Step 1. Check for burned out or defective lamps.
If lamps are burned out or defective, notify unit maintenance.
If lamps are not burned out or defective, proceed to step 2.
Step 2. Check for broken lead wires or loose connections.
If connections are loose, tighten connections.
If lead wires are broken, notify unit maintenance.
Step 3. Check lens and light assembly for damage.
If damaged, notify unit maintenance.
If lens and light assembly are not damaged, proceed to step 4.
Step 4. Check for dirty or corroded connections.
Clean connections if dirty or corroded.
If above steps do not correct malfunction, notify unit maintenance.
3.
ALL CHASSIS LIGHTS ARE ON AND CLEARANCE LIGHTS ARE OFF
NOTE
M129A4 Registration Number NX0RKB and Subsequent semitrailers are equipped
with LED lighting systems. Lamps can not be replaced.
Step 1. Check for loose connections at resistor box (XM1063) or voltage converter box
(M129A4).
If connections are loose, tighten connections.
If connections are tight, proceed to step 2.
Step 2. Check for dirty or corroded connectors.
Clean dirty or corroded connectors.
If connectors are not dirty, corroded or loose, and malfunction is not corrected, notify unit
maintenance.



 


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