TM 5-3805-296-23-2
0151
Table 1. One or Both Stop Lights Do Not Operate, Turn Signals Operate Normally.
0151
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
One or Both Stop Lights Do
Not Operate, Turn Signals
Always inspect harness connectors that are involved in the circuit. Poor
Operate Normally
connections can often be the cause of a problem in an electrical circuit.
Verify that all connections in the circuit are clean and secure and that all
connections are in good condition. If a problem with the connection is
found, correct the problem and verify that this malfunction or diagnostic
code is active before performing this procedure.
Perform open or short-circuit test at each harness connection to identify
the correct harness to replace.
Tag all wiring harnesses to aid in installation.
Test Step 1. Verify Condition.
1. Have assistant turn battery
disconnect switch to ON position
and start engine
(TM 5-3805-296-10). Allow air
supply pressure gauge to reach
normal operating pressure before
proceeding (TM 5-3805-296-10).
2. Turn mode switch on military light
switch to SER. DRIVE position
(TM 5-3805-296-10).
3. Observe stop lights while
Both Stop Lights Operate Stop
assistant applies brakes
lights failed to operate due to low air
(TM 5-3805-296-10).
pressure. Troubleshooting complete.
One Stop Light Operates Have
assistant release brakes.
Turn mode switch on military light
switch to OFF position
(TM 5-3805-296-10).
Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
Replace turn signal switch (WP 0525).
Proceed to Test Step 12.
Both Stop Lights Do Not Operate
Have assistant release brakes.
Proceed to step 4.
4. Turn mode switch on military light
switch to STOP LIGHT position
(TM 5-3805-296-10).