currently not playing with 3rd party mods. all i was doing was clearing some biter nests with artillery, then wanted to watch them burn, and saw the glitch. so i took a printscreen and am reporting this bug.

i restarted factorio with the attached save, and was unable to reproduce the bug, so my ...

was just going to report the same thing for 2.0.11. so still an issue with latest update. it seems like this is just a graphical issues with the yellow highlight on odd numbered wagons. the pumps are connecting correctly.