fan not turning off

well i have a big problem thats been going on since i put in my new motor. my fan goes on and stays on for the full 15 minutes even if i just turn the key so that the lights and radio turn on. it really is frustrating me because it keeps on slowly killing my battery. i already went through about 6 batteries. does anyone have a suggestion on how to fix this. the car is a 92 prelude and the motor is a jdm h22a. i cant tell you if this problem happened with the old motor because when i bought the car the original motor was blown. thanks alot.

no one has any idea on how this can be fixed or what the problem might be

Bump.
My h22a does the same thing. I like to know why also.