TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. Front Right Turn Signal
3. Turn battery disconnect switch
Does Not Operate - Con-
and ignition switch to the ON posi-
tinued
tion (TM 5-3805-293-10).
4. Using digital multimeter, test for
Voltage Pulsing and Peaks
voltage between connector AA-
Between 18 and 26 Volts - Replace
C2 (WP 0009, Figure 291) termi-
front right head and signal lamp
nal 1 and terminal 2. Voltage
assembly (WP 0197).
should be pulsing 18 to 26 volts.
Proceed to step 5.
Voltage Less Than 18 Volts - Pro-
ceed to Test Step 2.
5. Turn control indicator switch to
Front Right Turn Signal Does Not
position SER. DRIVE, turn signal
Operate - Repeat troubleshooting
switch (TM 5-3805-293-10) to the
from the beginning.
right turn signal position and verify
Front Right Turn Signal Operates -
front right turn signal operates.
Troubleshooting complete.
Test Step 3. Check for Faulty Front
Lighting Harness.
1. Turn ignition switch and battery
disconnect switch to the OFF
position (TM 5-3805-293-10).
2. Disconnect front lighting harness
connector A-C3 (WP 0009, Figure
292) from front work light wiring
harness connector CL-C26 (WP
0009, Figure 293) (WP 0196).
3. Disconnect front lighting harness
connector A-C4 (WP 0009, Figure
394) from front work light wiring
harness connector CL-C24 (WP
0009, Figure 393) (WP 0196).
4. Turn battery disconnect switch
and ignition switch to the ON posi-
tion (TM 5-3805-293-10).
5. Using digital multimeter, test for
Voltage Pulsing and Peaks
voltage between connector CL-
Between 18 and 26 Volts - Replace
C26 (WP 0009, Figure 293) termi-
front lighting harness (WP 0196).
nal 3 and CL-C24 terminal 2
Connect the connector AZ-C4 (WP
(Gnd). Voltage should be pulsing
0009, Figure 390) to right turn signal
18 to 26 volts.
(WP 0197).
Proceed to step 10.
Voltage Less Than 18 Volts - Pro-
ceed to step 6.
0023-53
