Replaced the ignition switch cylinder on the 93 with one from NAPA. The barrel was shaped a little different than the original but it starts. Problem is the key in buzzer and headlight switch are no longer communicating. Everthing is fine with the engine running till the headlights are turnt on. Then the buzzer comes on and will not stop till the lights are again shut off. Werd would think this would also affect seat belts, doors and the likes. But just headlights. Anyone have this happen?