The best place to start when troubleshooting an electrical problem with your 6th generation (2015, 2016, 2017, 2018, 2019, 2020, 2021 & 2022) Ford Mustang is to check for a blown fuse or a faulty relay in either the engine bay or the interior passenger compartment electrical panels. To view the DIY tutorial for the procedure (with the compatible replacement fuse type), click on the text link or thumbnail image below.
2015-2022 Ford Mustang Electrical Fuse Replacement Guide
