TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
21. One or Both Middle
2. Visually inspect each bulb for dis-
Bulb Discolored Or Filament Is
Flood Lamps Do Not
coloration, and bulb filament for
Open - Replace flood lamp bulb (WP
Operate, Front and Rear
an open.
0205).
Flood Lamps Operate
Bulb Visual Inspection OK - Pro-
Normally - Continued
ceed to Test Step 2.
Test Step 2. Check for Faulty Mid-
dle Flood Lamps.
1. Turn battery disconnect switch
and ignition switch to the ON posi-
tion (TM 5-3805-293-10).
2. Turn control indicator switch to
SER. DRIVE position (TM 5-
3805-293-10).
3. Turn work light switch to front
work lights position.
4. Visually check if right middle flood
Right Middle Flood Lamp Only
lamp or left middle flood lamp or
Does Not Operate - Proceed to step
both do not operate.
5.
Left Middle Flood Lamp Only Does
Not Operate - Proceed to step 12.
Both Middle Flood Lamps Do Not
Operate - Proceed to step 19.
5. Disconnect the lighting wiring har-
ness connector CF-C6 (WP 0009,
Figure 317) from right middle
flood lamp (WP 0184).
6. Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
voltage between connector CF-
Proceed to step 7.
C6 (WP 0009, Figure 317) termi-
Voltage Less Than 18 Volts -
nal 1 and 2. Voltage should be 18
Replace lighting wiring harness (WP
to 26 volts.
0184).
Proceed to step 22.
7. Remove right middle flood lamp
lens from flood lamp assembly
(WP 0206).
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).
0023-132
