TM 9-2330-287-14&P
ORGANIZATIONAL TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
1. ONE OR MORE LAMPS FAIL TO LIGHT.
Check lamps (missing, broken, or burned out).
Step 1.
Remove and replace as required (page 4-17).
Check for continuity between edge of lamp socket and light assembly
Step 2.
housing, and center post of lamp socket and related light assembly plug
connector.
If no continuity exists, replace light assembly (page 4-18).
Check continuity between edge of lamp socket and trailer frame.
Step 3.
If no continuity exists, remove and clean mating surfaces.
Step 4.
Disconnect rear section wire harness from receptacle at rear of reach
tube. Have assistant operate lights while checking voltage at
receptacle.
If 24 volts are present at all receptacle pins, replace rear
section wire harness (page 4-29).
Remove intervehicular cable receptacle from reach tube. Disconnect
Step 5.
reach tube section wire harness from receptacle. Have assistant operate
affected light while checking voltage at receptacle.
If 24 volts are present at the affected plug connectors, replace
reach tube section wire harness (page 4-25).
Disconnect intervehicular cable from its receptacle. Have assistant
Step 6.
operate affected light while checking voltage at affected intervehicular
cable plug sockets.
If 24 volts are present, repair intervehicular cable receptacle
