TM 9-2350-256-20-1
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Troubleshooting Procedure
Service Headlights
Symptom
Service headlights malfunctioning.
Malfunction
Service headlights fail to operate. Do steps 1 thru 13.
CORRECTIVE ACTION
WARNING
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct
short may result in instant heating of tools, damage to equipment, and injury or death to personnel.
1.
Loosen four screws (1) and remove headlight cover (2). Remove lamp (3) and disconnect connector.
Place red lead of multimeter in socket A of wire 18. Turn MASTER switch on, and press SER DRIVE
key and ENTER key of main lighting switch, and check for voltage. Press ALL OFF key and ENTER
key of main lighting switch and turn MASTER switch off. If voltage is present, replace lamp. If voltage
is not present, go to step 2.
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