96 S10 V6, the fan works sometimes and sometimes it just doesn't. What do I do? The heat and A/C work just the blower doesn't work right.

 

When it doesn't work, it doesn't work on any setting. When it works, it works on all settings.

 

I had the same problem. I replaced the fan, the fan resistor and the fan switch. Worked great after that. Hate to sound like a broken record but the parts and the fan plus shipping from Rock Auto was about 55 bucks.