TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Rear Right Turn/Stop
3. Using digital multimeter, test for
Voltage Pulsing and Peaks
Lamp Does Not Operate
voltage between rear chassis wir-
Between 18 and 26 Volts - Replace
in Both Turn and Stop -
ing harness connector FA-C29
rear lamps harness (WP 0178).
Continued
(WP 0009, Figure 310) terminal 8
Proceed to step 4.
and terminal 1 (Gnd). Voltage
Voltage Less Than 18 Volts - Pro-
should be pulsing 18 to 26 volts.
ceed to Test Step 3.
4. Turn control indicator switch to
Rear 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
Rear Right Turn Signal Operates -
rear right turn signal operates.
Troubleshooting complete.
Test Step 3. Check for Faulty Rear
Chassis Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to the OFF
position (TM 5-3805-293-10).
2. Disconnect the rear chassis wir-
ing harness connector FA-C22
(WP 0009, Figure 47) from cab
lower wiring harness connector P-
C69 (WP 0009, Figure 46) (WP
0266).
3. Turn battery disconnect switch to
the ON position (TM 5-3805-293-
10).
4. Using digital multimeter, test for
Voltage Pulsing and Peaks
voltage between cab lower wiring
Between 18 and 26 Volts - Replace
harness connector P-C69 (WP
rear chassis wiring harness (WP
0009, Figure 46) terminal 39 and
0188).
terminal 29 (Gnd). Voltage should
Connect the rear lamps harness con-
be pulsing 18 to 26 volts.
nector AG-C14 (WP 0009, Figure
321) to right tail light (WP 0177).
Connect the rear lamps harness con-
nector AG-C10 (WP 0009, Figure
399) to right tail light (WP 0177).
Proceed to step 5.
0023-59
