My friends brother hooked up an amp and subwoofer in her 06 stratus now the ac won't blow cold air. I checked it for her but cant find the problem. I checked the fuses and all good. I did notice that when I turned on the headlights, the ac would blow hot air. The power wire for the amp is ran through a big rubber piece in the firewall on the driver side that looks like the factory wire harness is ran, he just poked a hole in the rubber.... anyone ever have this problem???

 

Welcome to DF

My first question would be, was the a/c blowing cold before? If it was, disconnect the amp and subwoofer and find another power wire to hook up too.