DRAFT
TM 5-4210-249-13&P-2
0154
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT02590
WARNING
ICON 3
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.
Step 4.
Put EMERG MASTER, ROOF EMERGENCY LIGHTS, F/R LOWER WARNING, SIDE
WARNING, UPPER REAR WARNING, and OVERHEAD WARNING switches to off
position (WP 0004). Turn battery disconnect switch to OFF position (WP 0007).
Remove personnel cab instrument panel A (WP 0311). Swap relays 18 and
19 (WP 0402). Turn battery disconnect switch to ON position (WP 0007). Put EMERG
MASTER and ROOF EMERGENCY LIGHTS switches to on position (WP 0004).
Check if cab roof lightbar warning lights operate.
a.
If cab roof lightbar warning lights operate, return relays to original
positions and replace relay 18 (WP 0402).
b.
If cab roof lightbar warning lights do not operate, replace cab power
distribution wire harness and block (WP 0441).
0154-3
