Ford 302 Distributor Diagram - The Model T from the World Wide Web. As of 13 Jul 00. This resource would not have been possible without the help of countless folks throughout the Internet.. MegaShift™ 4L80E Wiring. This page provides information on how the 4L80E automatic transmission from General Motors operates with the MegaShift™ controller, as well as the TunerStudioMS settings needed to configure the controller. The 4L80E is a 4-speed (with overdrive), electronically controlled transmission, with ratios:.