Chevy s10 Heater blower problems

I have a 1998 Chevy S10 and the heater blower does not work. The air conditioner works great but blower does not work when switching to heater. I have replaced thermastat and still doesn’t work. Any
ideas????
Thank you.
:?
--
Posted using the http://www.autoforumz.com interface, at author's request
Articles individually checked for conformance to usenet standards
  Click to see the full signature.
Add pictures here
✖
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.