TM 9-2320-260-20
Table 2-4. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TRAILER CONNECTION SYSTEM
43. ONE OR MORE TRAILER LIGHTS INOPERATIVE
NOTE
For stoplight circuit test, brake pedal must be depressed and
air pressure maintained.
Test 1. Test trailer receptacle voltage.
Step 1. Turn main light switch lever to position corresponding to inoperative lamp.
2-184
