So I pulled out my HUD because it was obviously cutting out. It may have not even been working the last few days. I can't remember because it has been awhile before I pulled it out. Anyways, I resoldered the pin closest to the edge and then tried it out...nothing. The mirror still moves though. Then I resoldered the other pin...nothing. I checked continuity along the lines of the inner pin and everything works. I don't know how to check the outer because there isn't any lines to check. The solders look great and I redid the outer one again too. What else is there? Bad photosensor? Thanks