All Power Windows Inoperative
Verify customer concern by operating windows to duplicate condition. Ensure battery is fully charged. Ensure windows are properly aligned. Check the following for possible cause of malfunction:
- Blown fuses.
- Faulty relays.
- Open or shorted supply circuit.
- Loose or corroded connectors.
- Poor ground connections.
- Faulty Generic Electronic Module (GEM).
- Faulty master switch. See MASTER SWITCH under COMPONENT TESTING.