T Harness for 2022 and up Ram ProMaster Vans & Chassis.  The TH Ram PM is the easiest and fastest way to install your PA 63 or PA 64 into ProMaster vans and Minibus with 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.