DRAFT
TM 5-4210-249-13&P-2
0150
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT03834
NOTE
A short to ground in system may exist. Steps 9 and 10 will verify if wires 1052 (brown) or
1053 (yellow) in cab power distribution wire harness are shorted to ground or if short exist
in siren control.
Step 9.
Turn battery disconnect switch to OFF position (WP 0007). Put EMERG MASTER
switch to off position (WP 0004). Disconnect cab power distribution wire harness siren
control connector MP2. With a test lead set, check for continuity (short to ground)
across cab power distribution wire harness wire 1052 (brown) from cab power
distribution wire harness siren control connector MP2, terminal A to a known good
ground.
If there is continuity, repair wire 1052 in cab power distribution wire harness
if repairable (TM 9-2320-325-14&P), or replace cab power distribution wire
harness and block (WP 0441).
Step 10.
With a test lead set, check for continuity (short to ground) across cab power distribution
wire harness wire 1053 (yellow) from cab power distribution wire harness siren control
connector MP2, terminal C to a known good ground.
a.
If there is continuity, repair wire 1053 in cab power distribution wire
harness if repairable (TM 9-2320-325-14&P), or replace cab power
distribution wire harness and block (WP 0441).
b.
If there is no continuity, replace siren control (WP 0341).
0150-7