So, getting ready to replace the headliner speakers, figure'd I would go ahead and repin the adapter which was a pain, but finally got it down. The covers for the rear headliner speakers are TIGHT. Held in by 4 clips, one on each corner. Once you get one pulled out the rest are pretty easy, but the first one is tough. However, it appears the polarity for the headliner speakers are NOT reversed, therefore I repinned the adapter for nothing. Also, mounting the headliner speakers is going to be a pain as there is zero room. The plastic housing around it does not allow you to spin the speaker at all, so the mounting holes do not line up, and as it sits, even if you were going to make new holes, you could only make one in the back. The front part is open for the plug.