Heating/AC blower

I have a Passport 97 (Rodeo 97). The Heating/AC fan stops working after 30 minutes of operation. Do I need to replace the fan/blower? Do I need to replace only the resistor? Do I need to replace both or
something else? Any advise is appreciated.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

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.