Question about 1994 Dodge Caravan

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I can't switch from air to heater. It's like something is blocking it.

Years ago the windshield got broken. It wasn't cleaned up real good and some glass got left in there. Now I can't get the thing to switch from air to heater. I don't have a manual to see how to get to that. I have most of the dash removed but still can't get to the problem.

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Stephen
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  • Dodge Master
  • 21,873 Answers

You'll probably need to go ahead and buy a shop manual to be able to disassemble the heater box. There may be glass pieces holding the blend door open or closed.

Posted on Dec 10, 2012

  • mamurray18
    mamurray18 Dec 10, 2012

    Thank you Stephen. I will go to my Dodge dealer and see if they have one or can just print me the page I need out of theirs.

  • Stephen
    Stephen Dec 10, 2012

    I doubt they will let you copy their book. You can get used shop manuals on Ebay. They are also on CD now too.

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Posted on Jan 02, 2017

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Suzman
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SOURCE: removal of heater fan switch on dash.

Chances are it is in fact not the switch. These systems are wired so that at high speed setting battery power is connected directly to the fan. However lower settings switches through a set of resistors. These are mounted on a circuit board which in your case is mounted on the firewall on the passenger side of the vehicle under the wiper. Check this before you turn the control panel into a heap of spares on the garage floor.

Posted on Aug 02, 2010

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