K Cook Posted May 2, 2021 (edited) Has anyone else had an issue with moisture underneath the front floor mats? I have a 2012 3500. Edited May 2, 2021 by K Cook Quote Share this post Link to post Share on other sites
aztec Posted May 4, 2021 Never looked. 8 or 9 years is plenty of time for something to fail. Heater core, firewall plug... Happy hunting. Quote Share this post Link to post Share on other sites
radin2son Posted May 5, 2021 There are a few old posts about this. One invoked shorting out the radio. Mostly unresolved. Some thought it might be a problem with the windshield gasket and flaws in the opening. Quote Share this post Link to post Share on other sites
