That's good to know, I'll make sure that they remove them before fitment. I was referring to a height sensor, though. They're commonly used on Land Rovers with EAS for the self-levelling. That's what tripped me up. But it makes perfect sense that they could/would be used for the levelling of the headlights.I don't know what that sensor is for but I know that when my springs got installed they broke off all of the brake pad wear sensors, which sucked!
If there's one in the front, too, it shouldn't affect the leveling of the headlights at all as long as both front and back are raised.