Preliminary Checks
WARNING: This page is about a different car, the 1997 Ford Ranger and 1997 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
Confirm concern, operate all switches. Ensure battery is fully charged. Ensure windows are properly aligned. Check the following for possible cause of malfunction:
- Faulty fuse.
- Open or shorted supply circuit.
- Loose or corroded connectors.
- Poor ground connections.
- Faulty master switch.
- Faulty one-touch down relay (Ranger).
- Faulty battery saver relay (Ranger).
- Faulty Generic Electronic Module (Ranger).