KIT-JGC1 JGC1 T Harness, USB Interface, Dash Kit and MRR2 Interface Module for 2014 and up Jeep Grand Cherokee KIT-JGC1 DashKit, USB Interface and T Harness for Jeep Cherokee Vehicles Radio replacement dash kit for 2014 and up Jeep Grand Cherokee vehicles. Includes a gold and a silver trim along with provisions for 2 different climate controls, MRR2 Interface module and USB hub replacement. Compatible with 2014-2020 Jeep Grand Cherokee With Amplifier w/o Harman Kardon 2014-2020 Jeep Grand Cherokee With Harman Kardon 2014-2020 Jeep Grand Cherokee Without Amplifier Package Includes MRR2 Interface Module (needs to be flashed to vehicle) ADS Maestro RR2 Interface Module Advanced radio replacement interface compatible with over 3000 vehicles 2003 and up. Maestro RR2 offers the same exclusive infotainment retention and exclusive svcreens as the Mestro RR while adding support for additional vehicles and enabling Bluetooth programming directly from your IOS and Android mobile device. Basic radio retention features are also available with non-iDatalink-compatible radios.