I had a friend remove my "no display" stereo and replace it with a Metra kit and a new stereo.

The Metra A/C controls do not function. It would not program. I do not know what happened to cause this.

I did discover that my friend blew out the cigarette lighter fuse, but no other fuses were blown. The new stereo works fine, including the steering wheel adapter control.

What could be the cause and solution to this?

I have ordered another Metra kit, thinking it could have been bad, but have not installed it yet.

Thanks!

 

are you sure you checked all of the fuses in the car and under the hood. are you sure everything is wired properly.