Re: ac/heat dont work now car wont start
It would help to know what "piece" you connected. That may have blown a fuse, or damaged the ECU. I would 1st look for a blown and then get on to tougher stuff. Are you positive that you battery is OK ?
2010 Equinox LTZ<br />4 cyl, FWD, S/R<br />Cardinal Red/Black