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Discussion Starter · #1 ·
A/C only works on 3rd and 4th speed. Not working on 1st or 2nd speed. Just recharged system and it blows cold air on high only. Any suggestions. Thanks. 2006 F150..5.4 l
 

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2013 F-150 XLT 4WD with 5L
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Can I assume that when you say it won't work on 3rd or 4th speed you're talking about fan speed? If so, it could be a blower motor relay or switch issue. Together they should cost less than $25.
 
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