I removed one of my grills just a few min ago because I wanted to make an outline of it....but after I did so, I looked inside and saw a wire just sitting there in front of the rad, it looks like something you would plug into a IAT sensor or something smiliar...

anyone know whats its for?

If you dont have the Digital Climate Control,it might be the plug for outside temp.Just a guess!

~Larry~

Agree with Larry. I would think it's for the ambient air temp sensor.