Ford Tempo 1993

Please your aid with a workshop manual for a Ford Tempo 3.0 6V of 1993 ... I have a problem that in the morning in cold the car when opening the switch the automatic fan turns on and does not turn off the fan up to about 45 minutes, after it goes out you can already turn on the car, meanwhile not ... please your help, I don't know what else I check I got into a computer and tell me that everything is fine