COOLING FAN TEMPERATURE SENSOR

I Replaced My Car (se-r's) Coolant Temperature Sensor Last Week, And Ever Since Then I Have Been Having A Problem. The Problem Starts...

The Cooling Fan Turns On And Off With A/c Compressor But Only At Low Speed. Checked Tested Relay, Fuses. Tested Cooling Fan, Highspeed...

My Fans Work If It Is Wired To Run All The Time If It's Not It Overheats Was Told Fan Sensor Needs Changed. Where Is It Located So I...