this is the issue my cooling fans stays on as son i putt he key in the ignition and with accessory on keep in mind the car is not started. i have replace the sensor at the bottom of the radiator, also replace relay that goes to the fans, can anyone give some advise on what to check next.

 

A/C pressure switch.

 

ok, so even if my a/c works great it still could be the switch.

 

That I'm not sure. Search around and dig up some testing procedures.