Explorer transmission module?

What is the plug with the rod that is on and in the transmission called.There are 2 electronic parts on the side of the transmission.its the one that actually has a piece that goes inside the tranny.

Click here (http://www.autozone.com/az/cds/en_us/0900823d/80/0b/ac/f4/0900823d800bacf4/repairInfoPages.htm) and scroll down to where it says Except A4LD Transmissions. See if that is what you are talking about. If it is, it is also called a neutral safety switch and a transmission range sensor.