GE JBP69 Electric Kitchen Range "replacing control plate aid" Questions

...control knob, but the Ser# and model number are smeared - I can only read ''type 38P''? how can I get the right knob? If you have this information already (KitchenAid KESC307) then that is all thats ...

...Aid superba (electric oven) Oven doesn't come on. Light indicators are all fine but the oven elements (top &bottom) don't kick in you will need electrical meter. Take unit out of hole remove back ...