TEST OR INSPECTION
Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Put EMERG MASTER switch to off position (WP 0004). Turn Service Drive Lights Off
(TM 9-2320-347-10). Turn battery disconnect switch to OFF position (WP 0007). Put
UPPER REAR WARNING switch to on position (WP 0004). Check for continuity across
UPPER REAR WARNING switch, from terminal 5 to terminal 6.
If there is no continuity, replace UPPER REAR WARNING
switch (WP 0315).