DRAFT
TM 5-4210-249-13&P-2
0130
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT02975
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 56.
Put EMERG MASTER and F/R LOWER WARNING switches to off position (WP 0004).
Remove cab instrument panel A (WP 0311). Disconnect cab instrument panel wire
harness do not move apparatus when light is on indicator flasher unit connector. Check
for 22 to 28 VDC between wire 1186 (gray) at cab instrument panel wire harness do not
move apparatus when light is on indicator flasher unit connector, terminals 1 and 2 and
a known good ground.
If 22 to 28 VDC are not present, go to Step 66.
Step 57.
Turn Service Drive Lights Off (TM 9-2320-347-10). Turn battery disconnect switch to
OFF position (WP 0007). Check for continuity across wire 1640 (black) from cab
instrument panel wire harness do not move apparatus when light is on indicator flasher
unit connector, terminal 4 to a known good ground.
If there is no continuity, repair wire 1640 in cab instrument panel wire
harness if repairable (TM 9-2320-325-14&P), or replace cab instrument
panel wire harness (WP 0440).
0130-39
