Was cleaning the passenger side window and noticed the tweeter assembly in the corner of the window was quite loose - can't figure out what is supposed to hold it tight in place? Appears to be a pin that I'm guessing should have a matching clip of some kind in a hole in the door as the pin is much smaller than the hole. However, the hole doesn't have anything in it that would "hold" / "clamp" the pin. What holds this speaker in the corner of the window assembly? Or, if someone can help direct me to a diagram? Thanks in advance.

Gordon