Replaced the ignition lock cylinder on a 1989 ford f150 its still not working the key does not spring back when you try to start it and no matter how you turn the key its stays locked in park?

If the ignition lock cylinder on your 1989 Ford F150 is not allowing the key to spring back and is keeping the vehicle locked in park, it may be misaligned or improperly installed. Check to ensure that the cylinder is seated correctly and that any retaining screws are tightened. Additionally, inspect the ignition switch and linkage to ensure they are functioning properly, as these components can affect the ignition system's operation. If issues persist, consider consulting a professional mechanic for further diagnosis.