Whether it's changing a light bulb to a complete instrument panel change with all new radios and a new electrical system. It can be done here. They happen all the time.
We've seen electrical problems we don't like to remember brought into the shop. Electrons can be strange animals. If you don't know what you are doing, or are not sure, bring it to us so the job can be done right, the first time....without letting the magical blue smoke out of the boxes.