Table 3-5. Troubleshooting (Cont)
Test or Inspection
ELECTRICAL SYSTEM (CONT)
Step 7. Check for +24 VDC between wire 621 (8) and ground at windshield heater
If +24 VDC is not present, repair wiring 621 between
windshield heater and relay K4.
If +24 VDC is present, notify direct support maintenance.