TM 9-2350-256-20-1
0089 00
CORRECTIVE ACTION Continued
2.
Disconnect smoke grenade launcher system wiring harness from M239 launcher power switch box.
Place red lead of multimeter in socket A of harness and black lead to ground. Turn MASTER switch on
and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step 4. If voltage is not
present, go to step 3.
3.
Place red lead of multimeter in accessory panel outlet and black lead to ground. Turn MASTER switch
on and check for voltage. Turn MASTER switch OFF. If voltage is present, repair/replace wire from
accessory outlet to arming switch assembly of smoke grenade launcher system wiring (see WP 0240
00). If voltage is not present, troubleshoot bilge pump system and electrical accessories panel power
outlet.
0089 00-4
