TEST OR INSPECTION
Put EMERG MASTER and UPPER REAR WARNING switches to off position
(WP 0004). Turn Service Drive Lights Off (TM 9-2320-347-10). Turn battery
disconnect switch to OFF position (WP 0007). Disconnect main wire harness driver
side body wire harness connector. With a test lead set, check for continuity across
wire 2640 (black) from main wire harness driver side body wire harness connector,
terminal 10 to a known good ground.
If there is continuity, repair wire 2640 in driver side body harness if
repairable (TM 9-2320-325-14&P), or replace driver side body wire
harness (WP 0448).
If there is no continuity, repair wire 2640 in main wire harness if
repairable (TM 9-2320-325-14&P), or replace main wire harness