Where might I obtain intertherm electrical furnace E2EB-012HA wiring diagram?

Here are the manuals and materials you need: https://dl.dropboxusercontent.com/u/...%20manuals.zip
https://dl.dropboxusercontent.com/u/...VAC_ELEC-2.mp4
https://dl.dropboxusercontent.com/u/...leshooting.pdf
https://dl.dropboxusercontent.com/u/...e%20Manual.pdf
https://dl.dropboxusercontent.com/u/...20Handbook.pdf
Buy a good meter first and learn to use it. Almost all heaters are the same; all you need to do is to learn the components and how they are wired together.