Welcome . Very common problem. Blower Resistor Pack. For some years, there is a Customer Satisfaction Extended Warranty. If not covered, then you should be able to change it yourself for about $20.

Read this.
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=trouble&Number=1089739&page=&view=&sb=5&o=&fpart=1&vc=1

and this.
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=trouble&Number=1041830&Forum=All_Forums&Words=23307&Match=Username&Searchpage=0&Limit=25&Old=allposts&Main=1041830&Search=true#Post1041830

"Always do the cheap and easy ones first." 1996 V6 ATX 96K miles