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Chrysler Repair/1994 Concorde overheats, no fans?

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Expert: - 8/8/2011


Question
QUESTION: Follow up
Roland,
Checked all fuses d and 20 not to mention all others...no apparent cracks or blown fuses. Any other suggestions? I am sure my AC going warm to cold has something to do with the warm engine because it didn't do that prior to overheating.  The only way to bring temp down is run the heater at full blast...but I can't endure that too long when it is 101.0 outside.  I appreciate all that you have done thus far...just need to make sure I have done all I can before I take to my local mechanic.
Regards,
--Shawn

ANSWER: Let me look at the wiring diagrams and get back. Did you do another code readout to find out what the '5' actually is?

---------- FOLLOW-UP ----------

QUESTION: I rechecked error codes all I saw was 12 And 55
Thanks,
-Shawn

Answer
Had you disconnected the battery since last checked? If so, that erases the codes so you would need to warm up the engine and have the fans not come on again as requested for the current codes to be revealed. If not, then presumably the fans would operate as needed, unless the fuses were bad or the rfi module on the fan assembly were bad, but you did say you checked the fans. But was that done by attaching 12v to the tan or yellow wires coming into the rfi module, or by jumping directly to the fan motor socket?

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Roland Finston

Expertise

I specialize in Chrysler/Dodge/Plymouth cars, minivans, and SUV's for the model years 1982-2008 based upon my 50-year DIY experience, factory shop manuals and wiring diagrams. I offer fast repair advice to help you minimize repair costs by helping you diagnose and do it yourself. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty.

I take questions one at a time between 8am and 10pm CT and attempt to answer within 20 minutes. "Maxed Out" means I am answering another question of otherwise busy, so try again later.

There are answers on file to more than sixteen thousand Chrysler questions at your finger tips: put a few key words in the "find" box (above) or click on "view past answers" for a chronological list of my q and a's. Don't use "Add to this answer" if you still have a question...ask it. As to trucks and jeeps I only have manuals for the '04-'06 model years.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Degrees in Physics/bruised knuckles.

Awards and Honors
"Top expert of 2010" and "2011" at Allexperts. Among top 50 experts for years 2006-2009 at Allexperts.

Quickest "average response time" at Allexperts (currently no. 1).

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