Sudden a/c cooling loss while driving

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Sep 25, 2025
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Afternoon all-
I was driving home this afternoon and suddenly my a/c started blowing warm. Tried cycling a/c off and back on, as well as turning off truck for a couple of minutes and restarting, both with no success.
Faint electrical smell as well.
Any ideas? Common problem on our 1500 ZR2’s? Haven’t searched a ton yet. Figured I would try the brain trust here first.
Thank you!
 
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If you smell electrical, it might be as simple as a bad relay. Otherwise high and low pressure sensors. Also check the fan belt and the tensioner pulley. It might be slipping and giving off that smell.
 
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