I was driving with my AC on and the fan on full. Suddenly, it stopped (fan quit blowing). My first thought was that a fuse blew. However, after a minute or so it started again.

In my thinking, either a fan runs or it doesn't. If the fuse is OK, it should run. I've never seen this before. Any thoughts?

 

Make sure the fan relay isn't dying.

When the relay goes bad, the fan can show symptoms of staying on or staying off.

It's a cheap fix.