[Jabba]

In GM's this could ba a motor problem OR a fan motor resistor problem.

Does that hold true in the TJ? Mine is a 2000 Sport.

Low... Med/Low and High speeds all work fine. Only Med/High does not blow.

What do the Jeep Guru's say?

Jabba

[SlinkyTJ]

I just lost all but High in mine. I had it fixed under warranty. My service ticket said they replaced the resistor, so I'd guess and say that could be your problem as well.

[Flyusaf2002]

Hey buddy -
Defintly check out the resistor and don't have anyone do it for you!!! This is the easiest install ever. There is a black plastic kick plate under the dash board (down in the foot well) in the passenger side. Take the plastic kick plate off (4 bolts) and the resistor (its a big one) is staring you in the face. Any jeep dealer will sell you the part. It is about 50 dollars. That is how i fixed my problem, and it was the same issue as you had. Email me direct if you have any questions.
Andy of Pittsburgh

[Jabba]

Originally Posted by Flyusaf2002

Hey buddy -
Defintly check out the resistor and don't have anyone do it for you!!! This is the easiest install ever. There is a black plastic kick plate under the dash board (down in the foot well) in the passenger side. Take the plastic kick plate off (4 bolts) and the resistor (its a big one) is staring you in the face. Any jeep dealer will sell you the part. It is about 50 dollars. That is how i fixed my problem, and it was the same issue as you had. Email me direct if you have any questions.
Andy of Pittsburgh

Cool, that's what I was looking for really. I am pretty handy... if slow.

Thanks Andy... of Pittsburg.

I'm digging the Steelers BTW... I will root for them unless they are across from the Colts. No doubt though that the best 4 or 5 teams in the league are AFC this year.

Jabba