This is why airplanes get a bad name. People spewing misremembered information about a completely different model aircraft. Your tale was a PA38 Tomahawk, not a PA28 Cherokee.
To all the skeptics: You realize that you've have electronics under the hood of your car right next to that running engine for the last 25 years with a single ignition, right? I have driven a over million miles since 1995 and have never had an electronic ignition failure. I had 2 dead...
Very nice face, no dead pixels, removed from working environment for upgrade. Includes datacard with 2018 Navdata, working unit, mounting rack, connectors, and GA56 GPS Antenna. $1250 (sold by avionics technician, installation assistance available)