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
Voltage Less Than 18 Volts -
Lamp Does Not Operate
Replace cab lower wiring harness
in Both Turn and Stop -
(WP 0266).
Continued
Connect the rear lamps harness con-
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).
Connect the rear lamps harness con-
nector AG-C20 (WP 0009, Figure 311)
to rear chassis wiring harness con-
nector FA-C29 (WP 0009, Figure 310)
(WP 0178).
Proceed to step 5.
5. 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.
N OT E
10. Rear Left Turn/Stop
Lamp Does Not Operate
Always inspect the harness connectorsthat are involved in the circuit.
in Turn Only, Both Stop
Poor connections can often be the cause of a problem in an electrical
Lights 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 con-
nection 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. Check for Faulty Rear
Left Turn Diode.
1. Turn control indicator switch to
position SER. DRIVE (TM 5-
3805-293-10).
2. Turn the turn signal switch (TM 5-
3805-293-10) to the left turn sig-
nal position.
3. Disconnect the rear left turn diode
(WP 0009, Figure 322) from cab
lower wiring harness connector P-
C29 (WP 0009, Figure 323) (WP
0266).
0023-60
