John W Clearwater , FL June 28, 2014 Rotary switch on lg 18 000 btu window unit The process was very simple, and having the wiring diagram mad it vey easy to install. This company is very professional and very helpful with the ordering process. Read More... 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Pliers, Screwdrivers