Where do i find the temperature switch on a 1988 buick lesabre?

Just wondering where the temerature switch is on a 1988 buick lesabre if anyone one knows i would really like to know si can fix it on the car if anyone knows please let me know thanks.|||if you are refering to the temperature sending unit,then its on the intake.i got a 88 olds and thats where mine is.|||i dont know if your looking for the one for the fans or for the computer but they are both located between the alternator and the power steering pump on the intake manifold.