DRAFT
TM 5-4210-249-13&P-2
0178
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT03985
Step 10.
Remove cab instrument panel E (WP 0311). Disconnect rear step buzzer audio alarm
connector. Check for continuity across cab power distribution wire harness wire 1647
(brown) from rear step buzzer audio alarm connector, terminal B to rear step buzzer
indicator, terminal.
If there is no continuity, repair wire 1647 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 11.
Check for continuity across main wire harness wire 1614 (brown) from rear step buzzer
audio alarm connector, terminal A to rear step buzzer indicator terminal.
a.
If there is continuity, replace rear step buzzer indicator (WP 0313).
b.
If there is no continuity, repair wire 1614 in main wire harness if
repairable (TM 9-2320-325-14&P), or replace main wire
harness (WP 0455).
0178-9
