TM 9-2330-371-14&P
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. STOP LIGHTS DO NOT WORK- CONTINUED.
Disconnect wire harness from adapter wire harness. Turn on semitrailer lights.
Step 3.
Using multimeter set for reading voltage, put red probe on wire harness connec-
tor and black probe on good ground.
If meter reads zero, replace wire harness (page 4-39).
If meter does not read zero, replace adapter wire harness
4. TURN SIGNALS DO NOT WORK.
Check if tractor turn signals work.
Step 1.
If tractor turn signals do not work, troubleshoot tractor.
Check for burned out lamp and loose connectors.
Step 2.
If lamp is burned out, replace lamp (page 4-25).
If connector is loose, tighten connector.
Check for loose, broken, or corroded light assembly.
Step 3.
If light assembly is loose, tighten.
If light assembly is broken or corroded, replace (page 4-25).
Disconnect wire harness from adapter wire harness. Turn on semitrailer lights.
Step 4.
Using multimeter set for reading voltage, put red probe on wire harness connec-
tor and black probe on good ground.
If meter reads zero, replace wire harness (page 4-39).
If meter does not read zero, replace adapter wire harness
5. DIM OR FLICKERING LIGHTS.
Check for loose ground in gooseneck.
If ground is loose, clean and tighten.
