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
3. Disconnect rear lamps harness
Lamps Do Not Operate,
connector AG-C12 (WP 0009,
Both Front and Middle
Figure 313) from right rear flood
Flood Lamps Operate
lamp (WP 0178).
Normally - Continued
4. Using digital multimeter, test for
Voltage 18 to 26 Volts - Proceed to
voltage between harness connec-
step 5.
tor AG-C12 (WP 0009, Figure
Voltage Less Than 18 Volts -
313) terminal 1 and terminal 2.
Replace rear lamps wiring harness
Voltage should be 18 to 26 volts.
(WP 0178).
Proceed to step 10.
5. Remove right rear flood lamp lens
from flood lamp assembly (WP
0205).
6. Disconnect lens harness connec-
tor (WP 0009, Figure 405) from
lens.
7. Disconnect bulb connector (WP
0009, Figure 405) from lamp
assembly connector (WP 0009,
Figure 405).
8. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less - Pro-
continuity between flood lamp
ceed to step 9.
assembly (WP 0009, Figure 406)
Resistance More Than 5.0 Ohms -
terminal 2 and lens harness con-
Replace right rear flood lamp assem-
nector (WP 0009, Figure 405).
bly (WP 0207).
Resistance should be less than
Proceed to step 10.
5.0 ohms.
9. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less -
continuity between flood lamp
Replace right rear flood lamp bulb
assembly (WP 0009, Figure 406)
(WP 0207).
terminal 1 and lamp assembly
Proceed to step 10.
connector (WP 0009, Figure 405).
Resistance More Than 5.0 Ohms -
Resistance should be less than
Replace right rear flood lamp assem-
5.0 ohms.
bly (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).
0023-137
