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1994 Chrysler Concorde heat turns on by it self

Tiny
NNCYMRL
  • MEMBER
  • 1994 CHRYSLER CONCORDE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 70,000 MILES
When running the ac the heat comes on and you can't shut it off or the fan moter. Mode setting doen't work also. This only happen when the out side temps get warmer. Any ideas on what to check first before I have to take to the dealer and taken over the coals?
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Friday, June 12th, 2009 AT 11:52 AM

1 Reply

Tiny
MARIOV2005
  • MEMBER
  • 2 POSTS
I had basically the same problem with my 94. It ended up being the ATC Resistor Module under the Passenger Dash, located on the inner firewall. It also shorted out my Push Button Control Panel (on the dash). Got both pieces at the wreckers for $100. Working fine now. My problem happened in the winter, but the problem sounds the same!
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Thursday, July 23rd, 2009 AT 10:23 AM

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