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Chrysler Repair/heat/ac mode control: '99 Intrepid

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Expert: - 9/11/2011


Question
Roland,
I am having the same problem with my 99 Intrepid...the mode function does not change the door position. The car sat for 3 years as the previous engine blew after 226,000 mi. I just recently put a new engine in and everything works except the mode dial does not have any effect on position ie. defrost, vent, floor etc. I ran the diagnostic and got code AC 24. You had said to disconnect the neg. post and touch to the pos. post for about 1 min. Do I disconnect both cables from the battery or just the neg.?
Thank you in advance for any help you can give.
Ron

Answer
I don't think it matters whether you remove the + post clamp, but to be sure you can remove both, beginning with the - post clamp, and ending with the - post clamp.
You may need to replace the mode door actuator which I can tell you about how to do that.

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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.

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

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

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Degrees in Physics/bruised knuckles.

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"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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