This backlight can light up as brake light and turn signal as well, very fancy as the installer said, it took him about 1.5 hours to install, lots of cable routing. $100 labor, $100 for the light from TaoBao.com,
https://detail.tmall.com/item.htm?abbucket=16&id=720269391198&ns=1&spm=a21n57.1.0.0.ad7e523ctP0a5i&sku_properties=6939376:3809527;228740749:24329448037
It costs about $110 and about $40 shipping from China.