My mother-in-law has a new-to-her 2011 Fusion with a single disk player (BE5T-18D822-AB). She's like to replace it with a factory 6 disk changer unit. She found one on ebay out of a 2012 Fusion Hybrid (9E5T-19C158-AC). I was able to replace it and it would tune, but there wasn't any sound and I ended up with an unconnected plug. The unit wouldn't load CD's either, so we sent it back, but now I'm back at the drawing board looking for a 6 disk changer that will work. Does anyone know the correct model number for her car?