Mazda RX-7 Manuals and Wiring Diagrams - Foxed Mazda RX-7 Factory Service Manuals. Scanned and PDF'd from the factory-original diagrams. Many thanks to the SA22C and DFW-RX7 list members who provided manuals to scan. 1979 Mazda RX-7 Wiring Diagram, 18.1 MB. 1980 Mazda RX-7 Wiring Diagram, 13.2 MB. 1981 Mazda RX-7 Wiring Diagram, 26.7 MB.[PDF] Mazda RX-7 1979 Wiring Diagram - RotaryHeads printing) wiring diagram provided by myself. There are several ways to get around in the document. I have provided Bookmarks to all the sections and subsections, and thumbnails are also provided in the Thumbnails side bar. Mazda RX-7 1979 Wiring Diagram Author: Toyo Kogyo Co., Ltd.