EVTM stands for Electrical and Vacuum Troubleshooting Manual (Ford) This definition appears rarely and is found in the following Acronym Finder categories:.Shop Manual. Format: Bound. Quantity: 1. Year Range: 1997. Manufacturer: Ford Motor Company. Vehicle Model: F250 Hd, F350, F-Super Duty - Evtm. This document describes the installation and operation of the Quasonix EVTM Stand-alone Encoder/Decoder. The. EVTM (Ethernet Via Telemetry) hardware is