let me give you guys some more info! I want to replace my old break light switch does any one know where its at on the 03 disco? Some one said it behind the break but I didnt see it do I need to remove any thing to get to it?

 

You might need to remove the lower dash panel. It will be directly behind the brake pedal. It is towards the top, you have the pedal and the lever that the pedal attaches too. Follow that lever up until you find it.
Since you have the new part you can match up parts so that you know what you are looking for.