** THIS IS A WORK IN PROGRESS. PLEASE BE PATIENT WHILE I RECREATE THE DELETED THREAD & ASSOCIATED LINKS AGAIN ** see ... 2013+ radio thread missing. ** Posts 1-12 and 15 are updated with working links and pictures ** I take NO credit for any of this, just wanted to sum this info up for everyone here. All credit goes to Getupkid, Duneflyer, Mondo161, Cptwing, PJW67, and others for getting this project started and all their research. Be sure to thank Cptwing and Indaram for these original posts wherever you see them as well as the original folks who did all the work to figure this out... (again, I had nothing to do with it, I'm merely the tech secretary here that still had the files!) Original Thread Posted by Indaram[/B] recreated/edited below . 2018 & 19 CLASSIC OWNERS !] * It is NOT recommended to install a 13-17 RAx radio in a 2018 or 19 classic! It 'can' be done but you 'CURRENTLY' can't get rid of Cellular System needs service error message at startup (unless using the recommended 2018/19 classic UAx radio, & you will need ATC w/UAx upgrades to avoid hvac blend door issues). Ram 2019 Classic RA2 to RA4 Upgrade. & How To: Install a 2018 4C (UAQ/UAS) Radio in 2013 - 2017 RAM Gibbs' HVAC Issues w/UAS upgrade (fixed with ATC mod).