TEST OR INSPECTION
If wire 2740 cannot be identified at door switch, measure continuity across switch from
terminal wire 1609 (gray) to both black wire terminals. Continuity should be measured
between all terminals, when switch is closed (door switch is not pressed).
Check for continuity across door/hatch switch between terminal wire 1609 (gray) and
terminal wire 2740 (black) when switch is closed (door switch is not pressed).
If there is continuity, repair wire 2740 in main wire harness if repairable
(TM 9-2320-325-14&P), or replace main wire harness (WP 0455).
If there is no continuity, replace door switch (WP 0385).