TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
22. One Or Both Rear Flood
9. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less -
Lamps Do Not Operate,
continuity between flood lamp
Replace left rear flood lamp bulb (WP
Both Front and Middle
assembly (WP 0009, Figure 406)
0207).
Flood Lamps Operate
terminal 1 and lamp assembly
Proceed to step 10.
Normally - Continued
connector (WP 0009, Figure 405).
Resistance More Than 5.0 Ohms -
Resistance should be less than
Replace left rear flood lamp assembly
5.0 ohms.
(WP 0207).
Proceed to step 10.
10. Turn battery disconnect switch
and ignition switch to the ON posi-
tion (TM 5-3805-293-10).
11. Turn control indicator switch to
SER. DRIVE position (TM 5-
3805-293-10).
12. Turn work light switch to rear work
lights position (TM 5-3805-293-
10).
13. Visually inspect left rear flood
Left Rear Flood Lamp Does Not
lamp and verify flood lamp turns
Turn On - Repeat troubleshooting
on.
from the beginning.
Left Rear Flood Lamp Turns On -
Troubleshooting complete.
Test Step 4. Test Rear Flood
Lamps.
1. Turn battery disconnect switch to
the OFF position (TM 5-3805-
293-10).
2. Remove each rear flood lamp
bulb (WP 0207).
3. Visually inspect each bulb for dis-
Bulb Discolored Or Filament Is
coloration, and bulb filament for
Open - Replace affected rear flood
an open.
lamp bulb (WP 0207).
Proceed to step 23.
Bulb Visual Inspection OK - Pro-
ceed to step 4.
4. Remove fuse F2 (TM 5-3805-293- Fuse Open - Proceed to step 5.
10) from fuse panel and inspect
Fuse OK - Install fuse in fuse panel
for open fuse.
F2 (TM 5-3805-293-10).
Proceed to Test Step 5.
5. Install new fuse in fuse panel F2
(TM 5-3805-293-10).
0023-139
