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Probably low refrigerant level. You can try to reset the flashing lights on your climate contol panel by turning it on high and set it to panel and the temp to cold. Then hold the rear wiper button and the rear wiper washer at the same time for 30 secs. The top and bottom buttons on the left side. You should see a different pattern start flashing and feel the air flows change wait about 4-5 mins and then try to hit the AC button. I have also been told to try setting to defrost/temp to hot and tring again.

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โˆ™ 2008-04-21 03:37:03
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Q: Why does the ac light flash off and on on a dodge caravan?
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