1999 Sable low coolant light on - where is sensor?

[mechman58]

I have a 1999 Sable that is not low on coolant but the low coolant lamp comes on moments after being started. I think it is the sensor and would like to know where it is so that I can either clean it or replace it. Can any one help me with this? Thanks!

[rhandwor]

Normally they are on the bottle where you add coolant. They should have a wire going to the unit.