Fan/blower for heater not working 1998 Ford explorer

What is your question?

Heater or defrost no air is blowing/flowing I checked fuses there good i don't feel any heat of air flow help help .is just the heater motor the blower motor could be sensors what once diagnosed maybe I can fix it . There was a squeaky belt noise but it went away haven't seen any leaks. I'm just trying to narrow it down by checking the easy things.

What makes this problem better or worse?

Nothing either way

How long has your 1998 Ford Explorer had this problem?

1 day