TM 9-2350-256-20-1
0080 00
Troubleshooting Procedure
Service Stoplight
Symptom
Service stoplight malfunctioning.
Malfunction
Service stoplight fails to operate. Do steps 1 thru 11.
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 six screws (1) and remove stoplight cover (2). Remove stoplight lamp (3). Place red lead
of multimeter in socket and black lead to ground. Turn MASTER switch on, and press SER DRIVE
key and ENTER key of main lighting switch. Depress stoplight switch (vehicle brake) and check for
voltage. Turn MASTER, main lighting, and stoplight switches OFF. If voltage is present, replace lamp
(see WP 0179 00). If voltage is not present, go to step 2.
0080 00-3
