T Harness for 2020 and up Transit, E & F Series.  The TH Ford S4 is the easiest and fastest way to install your PA 63 or PA 64 into Transit Van or E and F series Minibus with Sync 4 factory stereos.  It’s a no cut, plug and play installation, perfect for remote areas without technical support, speed up the install for dealers and installers and reduces labour cost for vehicle manufacturers.