A diagram for a Frigidaire refrigerator can be found on the official Frigidaire website as of 2015. The website offers diagrams for all refrigerator models. In order to find a specific type, a model number is required for the search query.
From the Frigidaire main page, scroll down to the User Guides & Manuals heading. Enter the specific model number of the refrigerator in the search box. Click the Download button underneath Wiring Diagram. Depending on the Internet browser settings being used, the diagram either opens in the browser window or gives the user an option to save the file.