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 F/R LOWER 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 front lower warning light (WP 0351).
Remove cab instrument panel A (WP 0311). Disconnect cab instrument panel wire
harness front and rear lower warning light flasher unit connector. Check for continuity
across wire 1610 (black) from main wire harness warning light connector, terminal 3 to
cab instrument panel wire harness front and rear lower warning light flasher unit
connector, terminal 3.
If there is continuity, replace front and rear lower warning light flasher
unit (WP 0348).