I'm trying to install a new radiator in my 2008 Honda Civic EX. I need

There's a cord/cable that is connected to the bottom left side of my old radiator that will not come off and I don't know what it is, any tips or does anyone know what it is. It's raining right now so I ll be able to post pictures after.

Is there a place for it on the new radiator?

That is the temperature sensor that controls when the fan starts