the cooling fan stays on and won't turn off.
the tempature contol sensor needs replacement,where is it located? on 1999 Plymouth Breeze
there is a fan relay that cuts the curtuit off or your fan switch needs to be replaced
1 more answer
does it stay on when the car is off? If not then you may need to replace the high and low speed fan replay which is located under a black plastic cover on the drivers side by the positive red batter cable