Help indentify this plug please.

[CherryBomb_GS-T]

i found this plug the other day. it was tucked under my uicp right near the tranny. the line leads up into the fuse box. i dont have any idea what it might be and what it does. any help would be appreciated thank you. by the way the pics are in my gallery again thanx.

 

[Defiant]

Coolant level sensor in overflow tank.

 

[CherryBomb_GS-T]

cool thanx defiant. man i didn't have the slightest clue of what it was. well thanx again.