TM 5-3895-379-23-1
0025
MALFUNCTION
Backup Alarm Circuit Wiring Faulty.
CORRECTIVE ACTION
1.
Remove decontamination kit from decontamination kit bracket (Volume 2, WP 0230).
2.
Remove four screws, washers, and plate assembly from rear support assembly.
3.
Loosen two screws and pull backup alarm from rear support assembly.
4.
Turn battery disconnect switch to ON position (TM 5-3895-379-10).
5.
Turn engine start switch to ON position (TM 5-3895-379-10).
6.
Touch positive (+) probe of multimeter to terminal 1 (wire 321-BR).
Touch negative (-) probe of multimeter to support assembly.
7.
8.
Turn engine start switch to OFF position (TM 5-3895-379-10).
9.
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
If 24 to 28 VDC are not measured at wire 321-BR, repair or replace wiring and connectors
from backup alarm to backup alarm sending unit (WP 0195).
WIRE 200-BK
REAR SUPPORT
ASSEMBLY
COVER
WIRE 321-BR
SCREW
WASHER
SCREW
BACKUP ALARM
T0105SWR
Figure 2.
Backup Alarm Wiring.