After having many requests for this product we’ve finally made it available for purchase. This part is available for anyone who needs to upgrade their 2015-2018 Mustang with the 4” radio to Sync 3. This is ONLY the Plug n’ Play wiring harness and includes wiring for the new Sync 3 system as well as retaining the backup camera and providing power to the new 4 pin USB hub. This harness does not include any other parts or programming that may be required. We do not offer any installation support on this product. If you are not entirely confident in your parts/installation and programming, please buy one of our fully Plug n’ Play kits. This new and improved harness design comes with a lifetime warranty. -Plug n’ Play harness for 4” base to Sync 3 8” conversion in 2015-2018 Mustangs and other vehicles. -No splicing or cutting required -Retains all factory features -Retains backup camera -SiriusXM Travelink will not work with this harness (regular SiriusXM radio will). -Lifetime warranty for original purchaser  VEHICLE COMPATIBILITY: This harness is fully compatible with the following vehicles 2015-2018 Mustang 2013-2017 F150 (w/4" screen) 2017-2019 Super Duty (w/4" screen) 2013-2018 Fusion 2015-2018 Edge These are NON-RETURNABLE after shipping. Ensure compatibility before ordering. Please ask if you are not sure.   DISCLAIMERS: Do this at your own risk. Hellhorse Performance is not responsible for any damage you do to your car. The process is of low to no risk but remember to take your time and be careful when modifying your Mustang.  This is a non-returnable/non-refundable package.