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 Test Step 3. Check for Faulty Front
Lamps Do Not Operate,
Worklight Wiring Harness.
Middle and Rear Flood
1. Disconnect the front work light
Lamps Operate Normally
wiring harness connector CL-C18
- Continued
(WP 0009, Figure 294) from cab
lower wiring harness connector P-
C61 (WP 0009, Figure 295) (WP
0183).
2. Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
voltage between cab lower wiring
Replace front work light wiring har-
harness connector P-C61 (WP
ness (WP 0183).
0009, Figure 295) terminal 7 and
Proceed to step 3.
terminal 8 (Gnd). Voltage should
Voltage Less Than 18 Volts -
be 18 to 26 volts.
Replace cab lower wiring harness
(WP 0266).
Connect the front work light wiring
harness connector CL-C21 (WP 0009,
Figure 319) to right front flood lamp
(WP 0205).
Connect the front work light wiring
harness connector CL-C19 (WP 0009,
Figure 318) to left front flood lamp
(WP 0183).
Proceed to step 3.
3. 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 light
Troubleshooting complete.
position (TM 5-3805-293-10).
N OT E
21. One or Both Middle
Flood Lamps Do Not
Always inspect the harness connectorsthat are involved in the circuit.
Operate, Front and Rear
Poor connections can often be the cause of a problem in an electrical
Flood Lamps Operate
circuit. Verify that all connections in the circuit are clean and secure,
Normally
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).
0023-131
