DRAFT
TM 5-4210-249-13&P-2
0155
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
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 9.
Connect cab instrument panel wire harness SIDE WARNING switch connector
(WP 0315). Disconnect cab instrument panel wire harness side warning light flasher
unit connector. Turn battery disconnect switch to ON position (WP 0007). Turn Service
Drive Lights On (TM 9-2320-347-10). Put EMERG MASTER switch to on position
(WP 0004). Check for 22 to 28 VDC between cab instrument panel wire harness wire
1648 (yellow) at side warning light flasher unit connector, terminal 1 and a known good
ground.
If 22 to 28 VDC are not present, repair wire 1648 in cab instrument panel
wire harness if repairable (TM 9-2320-325-14&P), or replace cab instrument
panel wire harness (WP 0440).
Step 10.
Put SIDE WARNING switch to on position (WP 0004). Check for 22 to 28 VDC
between cab instrument panel wire harness wire 1649 (yellow) at side warning light
flasher unit connector, terminal 2 and a known good ground.
If 22 to 28 VDC are not present, repair wire 1649 in cab instrument panel
wire harness if repairable (TM 9-2320-325-14&P), or replace cab instrument
panel wire harness (WP 0440).
Step 11.
Put EMERG MASTER and SIDE 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). Check for continuity across wire 1640 (black) from cab instrument
panel wire harness side warning light flasher unit connector, terminal 4 to a known good
ground.
a.
If there is continuity, replace side warning light flasher unit (WP 0348).
b.
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).
0155-7
