B.O. Marker Condition
B.O. marker malfunctioning.
Front B.O. marker fails to operate.
Do steps 1 thru 11.
Rear B.O. marker fails to operate.
Do steps 4 thru 11.
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.
Loosen four screws (1) and remove cover (2) and B.O. marker light (3). Place red lead of multimeter
in socket and black lead to ground. Turn MASTER switch ON, press B.O. MARKER key and ENTER
key on main light switch, and check for voltage. If voltage is present, replace marker light (see WP
0175 00). If voltage is not present, go to step 2.