Transfer case sensor

[surffishin07]

What is the sensor that has a green and blue wire that goes between the fill plug and the rear output yoke. They are the same on the 1350 and 1354 although the 1354 has 2 or 3 besides it.

ps i have swaped the 1350m for my 1354e b/c the electric are a pos

 

[metalmacguyver]

vehicle speed sensor.

 

[surffishin07]

its not the speed sensor but i found another poster with the about the same prob but with a pic of what im askin. http://www.therangerstation.com/forums/showthread.php?t=6383 this poster has a different problem but i need to know what that sensor is that is circled