Removing Engine Bay Fuse Box (now with piccys) Sep 23, 2011After a bit of searching (Meganesport to be precise) the most likely cause seemed to be a blown fuse in the engine bay. Another wonderful renault design feature, pictures follow :-Fuse box lid off. Battery out. You need to unclip the two cable connectors on the top of the fuse box Replacing a fuse in the engine bay/upc unit, how to? - The Sep 18, 2010today removed half of the engine bay to get to the fuse box and when I finaly got to it,it was upside down the f Currently Drives:: 2006 1.4 sport 16v renault megane. Re: Replacing a fuse in the engine bay/upc unit, how to? Post by loronge2k9 » Sat Sep 18, 2010 11:13 am .