DRAFT
TM 5-4210-249-13&P-2
0154
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT03102
NOTE
Cab roof lightbar flasher unit has four outputs at terminals 3, 4, 6, and 7. Cab roof lightbar
flasher unit output terminals 3 and 6 are connected to six warning lights each.
Step 19.
Remove non-operating warning light from cab roof lightbar (WP 0345). Check wire
colors that are connected to warning light.
If wire colors are white and green go to Step 21.
Step 20.
If installed, remove third and fourth warning lights on passenger side of cab roof
lightbar (WP 0345). Disconnect lightbar cable assembly from non-operating warning
light (WP 0345). Check for continuity across lightbar cable assembly blue signal wire
terminal 3 from non-operating warning light connector to cab roof lightbar flasher unit,
terminal 6 "C" lamps connector.
a.
If there is continuity, replace non-operating warning light (WP 0345).
b.
If there is no continuity, repair blue signal wire in cab roof if repairable
(TM 9-2320-325-14&P), or replace cab roof lightbar cable
assembly (WP 0371).
Step 21.
If installed, remove third and fourth warning lights on passenger side of cab roof
lightbar (WP 0345). Disconnect lightbar cable assembly from non-operating warning
light (WP 0345). Check for continuity across lightbar cable assembly green signal wire
terminal 3 from non-operating warning light connector to cab roof lightbar flasher unit,
terminal 3 "A" lamps connector.
a.
If there is continuity, replace non-operating warning light (WP 0345).
b.
If there is no continuity, repair green signal wire in lightbar cable
assembly if repairable (TM 9-2320-325-14&P), or replace lightbar cable
assembly (WP 0371).
0154-15
