Is your climate control set to "auto"? Try setting it to off or econ and see if the results are the same. Fan will run at (low?) speed when the CC is set to auto and when outside temp is warm (not sure what temp that is). At least mine does. Rex Pedersen Ludington, MI 90 V8q 87 5KSq 86 5KS wagon http://www.fega.com/rex/rexsaudi.htm