Interior Fuse Box Location: 2002-2008 Renault Megane Interior Fuse Box Location: 2002-2008 Renault Megane. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse that has blown out. If your Megane is experiencing electrical problems, you should always check the fuses first,.. Replace a Fuse: 2002-2008 Renault Megane 2003 Renault Replace a Fuse: 2002-2008 Renault Megane. Some Renaults have multiple fuse boxes in the engine bay, so be sure to find the fuse (s) in question. Some components may have multiple fuses, so make sure you check all of the fuses that are linked to the component that is no longer working properly.