cylinder haed

[jose]

Hi guys thanks to everyone thats helped me so far i need help with one more thing a have the B18FT volvo engine and on the cfylinder head there are 2 sensiors, 1 wiith the single wire is i believe is for the water temp gagage and the 2nd with 2 wires coming out i am not sure what these are for and where they need to be conected to if there is any one that can help me with this that would be great.

Thanks
Jose