SECTION V: TROUBLESHOOTING
TM 9-2350-256-20
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.
I
Reconnect wire 10/15 at connector. Disconnect
main lighting and master relay wiring harness from
main lighting switch. Place red lead of multimeter in
socket F of wire 15 and black lead to ground. Turn
MASTER switch on and check for voltage. Turn
MASTER switch OFF. If voltage is present, go to
step J. If voltage is not present, repair/replace wire
15 of main lighting and master relay wiring harness
(see paragraph 6-70).
J
Place a jumper wire from socket F to pin F. Place
red lead of multimeter on pin E of wire 20/24 and
black lead to ground. Turn MASTER switch on,
UNLOCK and move main lighting switch to B.O.
MARKER position, and check for voltage. Turn
MASTER and main lighting switches to OFF. If
voltage is present, repair/replace wire 20/24 of main
lighting and master relay wiring harness assembly
(see paragraph 6-70). If voltage is not present,
replace main lighting switch (see paragraph 6-10).
2—
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