TM 9-2330-386-14&P
OPERATOR TROUBLESHOOTING TABLE
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
1. ALL LIGHTS DO NOT LIGHT.
W
A
R
N
I
N
G
Disconnect electrical power source before performing any
troubleshooting on wiring harness, connectors or lights.
Step 1.
T u r n o n t o w i n g v e h i c l e l i g h t s , i n c l u d i n g t u r n s i g n a l s and stop
lights. (See operator's manual for towing vehicle.)
a. If towing vehicle lights do not light, notify Organizational
Maintenance.
b. If towing vehicle lights come on, go to step 2.
S t e p 2.
Check
electrical
connection
at
intervehicular
cable
receptacle.
a. If cable is not properly connected, reconnect electrical cable.
b. If cable is properly connected, go to step 3.
Check intervehicular connectors for dirty, damaged or corroded pins.
Step 3.
a. If pins are dirty or corroded, clean the pins (para. 3-5).
b. If pins are damaged, notify Organizational Maintenance.
c. If the above steps do not correct the malfunction, notify
Organizational Maintenance.
2. ONE OR MORE LIGHTS WILL NOT LIGHT.
Step 1. Check setting of light switch on nose plate.
a. Set light switch properly.
b. If light switch is set properly, go to step 2.
Visually check operation of light assembly.
S t e p 2.
a. If light assembly is not operating, notify Organizational
Maintenance.
S t e p 3.
Check for broken lead wires or loose connections.
a. If lead wires are broken, notify Organizational Maintenance.
b. If connections are not loose or broken, go to step 4.
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