Product review (5 stars): Fix your dryer, easy
We had to jiggle the timer knob to keep our dryer running. It would quit after a minute or ten minutes and then work again if you move the knob just a tiny bit. This is a straightfoward swap. Unplug it, unscrew the back and remove the timer. Remove the wires one at at time, install back on the new one. Better yet snap a photo of the wires before you remove any.

Anyway, that's it. Easy, works perfect now.