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Heater Cores and Blower Fans
Jeep Cherokee
Car Heaters

What would cause the heater-ac blower on a 1996 Grand Cherokee to only blow out the window defrost and not at the feet and panel?


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Wiki User
2004-09-30 12:21:58
2004-09-30 12:21:58

You have a vacuum leak. When the a/c controls don't get any vacuum, it defaults to the defrost position. Check and make sure someone didn't accidentally disconnect the vacuum hose with their feet. Look under the dashboard on the passenger side.

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No, the rear defrost is just an electric grid on the rear window. No air movement involved.

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It would depend on which defrost system is not working, the rearview mirrors, back window or front window.

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It is integrated to the rear window defrost. When the one button is engaged, all three elements become energized.

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The 2005 Chrysler 300 rear window defrost relay switch can be found beneath the drivers side dashboard. The rear window defrost relay switch will be near the center console.

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no heat to front window went defrost is on


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