When i switch on the car (not start) the radiator fan is start working. on 2004 Mitsubishi Lancer

When i switch on the car (not start) the radiator fan is start working and when I switch off the car the radiator fan runs approx 30 seconds after switch off. Can any body help in this problem.

by in Bath, IN on September 09, 2012
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1 answer 1 comment
ANSWER by , September 09, 2012
it sound to me like you mitsubishi is running hot or the temp sencer is sending a bed signeli would have to know a little more what dose it do when its running and reaches running temp dose it run all the time or dose it turn on and off if it stays on ti could be a short or have been wired strat .eather way not good. (let me know what you find out)
COMMENT by , September 11, 2012
I found the fan is running all the time but its speed low and high regularly.