TM 9-2320-272-24-1
Table 2-3. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
DIRECTIONAL SIGNAL SYSTEM
23. INDIVIDUAL LIGHTS DO NOT LIGHT WITH DIRECTIONAL SIGNAL LEVER IN ANY POSITION
Test 1. Check for defective lamp.
Step 1. Place battery switch to ON position and light switch to STOP TURN position.
Step 2. With air pressure maintained, depress brake pedal.
a. If stop signal lamp lights, go to test 2.
b. If stop signal lamp does not light, replace defective lamp (para. 3-118).
Test 2. Test wiring harness voltage.
Step 1. Place battery switch to OFF position.
Step 2. Disconnect leads 460, 461, 22-460, and 22-461 from lights.
Step 3. Place battery switch to ON position.
Step 4. Place light switch to STOP TURN position.
Step 5. Place directional signal control lever to HAZARD warning position.
2-135
