New timer and control knob. I watched your video and when timer arrived by Fed-X the next day, I unplugged the dryer from the wall and removed the control panel. I very carefully took off one wire at a time and connected to the new timer so that I was sure each wire was connected correctly. This was not the way the video showed. They unhooked all the wires first, but it worked for me. I cleaned as much lint/dirt as I could before re-attaching the control panel and control knob. I am saving the laundry knob for the future as I do not need it at this time. I took the opportunity to clean the dryer vent hose as I saw an abundance of lint. I moved the dryer back into it's normal upright position and plugged it back in. I started the dryer and it worked perfectly making my wife very happy.