radiator hose?

[Driftin_240sx]

hey i have a SOHC and i was looking on the lower radiator hose and there is like a electrical plug comming off of it... does anyone happend to know what it goes to? i cant find what it would go to.

david

[Nismo 180sx Tuner]

I am pretty sure it is a sensor that takes the temp of the coolant coming from the engine. If it isnt hooked up to anything than there should be another hanging wire somewhere close by.