How to Obtain a Wiring Diagram or Schematic How to Obtain a Wiring Diagram or Schematic. A wiring diagram (mini-manual) is included with each appliance. If you are in need of a replacement wiring diagram, you Old GE range schematic - Google Groups Did you try looking for a schematic for a similar model? Usually they are wired similarly. I did that for my Kitchenaid Fridge, which like'