If you have an aging AC unit like I do, I'd like to keep it running as long as possible. I also don't want to pay exorbitant repair bills to AC engineers. Here is what I learned after having mine repaired a few times for failed capacitors.

Here is a great video on failing capacitors:
   • Video  

Here is a video on testing your capacitors with a multi-meter:
   • Motor or Compressor Won’t Run? Capaci...