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 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). Remove driver side deck spotlight and
bezel box cover (WP 0352). Disconnect driver side body wire harness upper rear
warning light connector. Remove personnel cab instrument panel A (WP 0311).
Disconnect cab instrument panel wire harness upper rear warning light flasher unit
connector. With a test lead set, check for continuity across wire 1613 (white) from
driver side body wire harness warning light connector, terminal 3 to cab instrument
panel wire harness upper rear warning light flasher unit connector, terminal 6.
If there is continuity, replace upper rear warning light flasher unit (WP 0348).