TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20. One or Both Front Flood 15. Disconnect lens connector (WP
Lamps Do Not Operate,
0009, Figure 405) from lens.
Middle and Rear Flood
16. Disconnect bulb connector (WP
Lamps Operate Normally
0009, Figure 405) from lamp
- Continued
assembly connector (WP 0009,
Figure 405).
17. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less - Pro-
continuity between flood lamp
ceed to step 18.
housing (WP 0009, Figure 406)
Resistance More Than 5.0 Ohms -
terminal 1 and lens harness con-
Replace left front flood lamp assembly
nector (WP 0009, Figure 405).
(WP 0205).
Resistance should be less than
Proceed to step 22.
5.0 ohms.
18. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less -
continuity between flood lamp
Replace left front flood lamp bulb (WP
housing (WP 0009, Figure 406)
0205).
terminal 2 and lamp assembly
Proceed to step 22.
connector (WP 0009, Figure 405).
Resistance More Than 5.0 Ohms -
Resistance should be less than 5
Replace left front flood lamp assembly
ohms.
(WP 0205).
Proceed to step 22.
19. Disconnect the front work light
wiring harness connector CL-C21
(WP 0009, Figure 319) from right
front flood lamp (WP 0183).
20. Disconnect the front work light
wiring harness connector CL-C19
(WP 0009, Figure 318) from left
front flood lamp (WP 0183).
21. Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
voltage between connector CL-
Replace right and left front flood
C21 (WP 0009, Figure 319) termi-
lamps (WP 0205).
nal 1 and 2. Voltage should be 18
Proceed to step 22.
to 26 volts.
Voltage Less Than 18 Volts - Pro-
ceed to Test Step 3.
22. Turn battery disconnect switch
One or Both Front Flood Lamps Do
and ignition switch to the ON posi-
Not Operate - Repeat troubleshooting
tion, turn control indicator switch
from the beginning.
to SER. DRIVE position, and turn
Both Front Flood Lamps Operate -
work light switch to front work
Troubleshooting complete.
lights position (TM 5-3805-293-
10).
0023-130
