(BATs) during the night cycle. Without this patch, any custom content downloaded from sites like Simtropolis or SC4Devotion will remain dark at night, even if the rest of your city is lit up.
: This is specifically for enabling night lighting effects on custom buildings downloaded from the community. simcity 4 deluxe edition v11640 patch link
Trusted community sites like Simtropolis or SC4Devotion host the official Maxis files in their "Legacy" or "Must-have" sections. (BATs) during the night cycle