TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
N OT E
20. One or Both Front Flood
Lamps Do Not Operate,
Always inspect the harness connectorsthat are involved in the circuit.
Middle and Rear Flood
Poor connections can often be the cause of a problem in an electrical
Lamps Operate Normally
circuit. Verify that all connections in the circuit are clean and secure,
and that all connections are in good condition. If a problem with a
connection is found, correct the problem and verify that this diagnostic
code is Active before performing this procedure.
Perform open or short circuit test ateach harness connection to identify
correct harness to replace.
Perform this test only if condition is active.
Test Step 1. Inspect Front Flood
Lamp Bulb.
1. Remove each front flood lamp
bulb (WP 0205).
2. Visually inspect each bulb for dis-
Bulb Discolored Or Filament Is
coloration, and bulb filament for
Open - Replace flood lamp bulb (WP
an open.
0205).
Bulb Visual Inspection OK - Pro-
ceed to Test Step 2.
Test Step 2. Check for Faulty Front
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
position SER. DRIVE (TM 5-
3805-293-10).
3. Turn work light switch to front
work lights position (TM 5-3805-
293-10).
4. Visually check if right front flood
Right Front Flood Lamp Only Does
Not Operate - Proceed to step 5.
lamp or left front flood lamp or
both do not operate.
Left Front Flood Lamp Only Does
Not Operate - Proceed to step 12.
Both Front Flood Lamps Do Not
Operate - Proceed to step 19.
5. Disconnect the front work light
wiring harness connector CL-C21
(WP 0009, Figure 319) from right
front flood lamp (WP 0205).
0023-128
