The Mégane II Owners' Club

Hi all, i have a megane 2004 dynamique.just got the car and noticed the rear doors and windows are not opening from inside.so i took out the window and child lock console on the drivers door and found the child lock loom disconnected from its button, tried to reconnect it but it wouldn't fit .thinki...

maybe an o2 sensor also known as a lambda sensor.but this is at back of engine.engine light would b on and diagnostics would read po135