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 6.
Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
Lamps Do Not Operate,
voltage between connector CL-
Proceed to step 7.
Middle and Rear Flood
C21 (WP 0009, Figure 319) termi-
Proceed to step 22.
Lamps Operate Normally
nal 1 and 2. Voltage should be 18
Voltage Less Than 18 Volts -
- Continued
to 26 volts.
Replace front work light wiring har-
ness (WP 0183).
Proceed to step 22.
7. Remove right front flood lamp
lens from flood lamp assembly
(WP 0205).
8. Disconnect lens connector (WP
0009, Figure 405) from lens.
9. Disconnect bulb connector (WP
0009, Figure 405) from lamp
assembly connector (WP 0009,
Figure 405).
10. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less - Pro-
continuity between flood lamp
ceed to step 11.
housing (WP 0009, Figure 406)
Resistance More Than 5.0 Ohms -
terminal 1 and lens harness con-
Replace right front flood lamp assem-
nector (WP 0009, Figure 405).
bly (WP 0205).
Resistance should be less than
Proceed to step 22.
5.0 ohms.
11. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less -
continuity between flood lamp
Replace right front flood lamp bulb
housing (WP 0009, Figure 406)
(WP 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
Replace right front flood lamp assem-
5.0 ohms.
bly (WP 0205).
Proceed to step 22.
12. Disconnect the front work light
wiring harness connector CL-C19
(WP 0009, Figure 318) from left
front flood lamp (WP 0205).
13. Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
voltage between connector CL-
Proceed to step 14.
C19 (WP 0009, Figure 318) termi-
Voltage Less Than 18 Volts -
nal 1 and 2. Voltage should be 18
Replace front work light wiring har-
to 26 volts.
ness (WP 0183).
Proceed to step 22.
14. Remove left front flood lamp lens
from flood lamp assembly (WP
0205).
0023-129
