My 2015 Tuscany had 1 or both of the fans in each register mis-wired. Either the black or red wire was not crimped in the crimp connector. Pretty easy to tug on the wires to see if they are loose? Yes you can spread the crimp connect with pliers and reuse. Think new one are about $0.20 each. Wouldn't be surprised if they were not even installed into the crimp thing. Some of mine were that way!
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