The blower control in my 04 Crossfire runs for more than 30 minutes even when the ignition key is turned off and removed. I read several threads that suggested a faulty blower control may have a tendency to be shorted out. Accordingly, I bought a used one from LKQ and when I installed it, it did the same as the original one. LKQ promised to send me a replacement on the assumption that the used one is also shorted out. I know many of the Crossfire owners have experienced a similar situation, I wonder if the fault is the blower control or the blower regulator. I am surprised at the fact that Mercedes SLK which uses the same units does not experience problems with the climate control like the Crossfire. I would appreciate the information.

 

I had the problem of my blower switching from regular to low speed no matter what I have the switch set at. Cold A/C, just no high fan. The Chrysler dealer had hard time figuring out what the problem was. replaced the control head, did nothing, replaced the entire blower, nothing. They finally replaced the fan blower resister which has a ceramic housing and they found cracked. That fixed it. Dont know, maybe thats your delima. Good luck!

 

LOL.
I thought this thread was about the supercharger (blower) running all of the time and I thought, "Here we go again!"

 

Does the red light on the air recycle switch come on (rest light). If so that switch could be bad.

 

The climate blower control is of question, not the supercharger. I am trying to determine if the control in the central consol is at fault or the regulator/resisters. Any idea?

 

No, the recycle switch remains off while the blower is on all the time. There is no way to fix only this switch, the whole control has to be replaced. Do you know if the blower control is at fault or the regulator/resisters.

 

I am happy to report that my blower running all the time problem is solved by replacing the blower regulator/resistors. I replaced the blower control which did not solve the problem and the vendor accepted to return the unit for refund. I bought the regulator cheaper than any one reported in the forum for only $106 with free shipping from www.AutohausAZ.com I searched under 04 Mercedes SLK either 230 or 320 rather than Crossfire. Now we know for sure, if the blower runs while everything is at the off position or the key is out of the ignition, the blower regulator/resistors is at fault.

 

Thanks for coming back and posting the fix. Too many times folks ask for assistance for a problem and then they don't respond back with what the final fix was.

 

My '05 does something similar sometimes. It's been a while but the heat will come on and the blower is full blast no matter the setting. Hitting the dash will stop it half the time. It hasn't done this in a while. It always seems to when it's 90+ degrees outside!

 

In my case, I replaced the blower control (resistors) which is located under the glove compartment. It is bolted to the blower motor. The resistors solved my problem. I bought it from www.AutohausAZ.com under 2004 Mercedes SLK 320. Good Luck.

 

Good job of finding part

Please post the part number on this link.
https://www.crossfireforum.org/forum...t-numbers.html

Thank you