Maestro HRN-RR-CH3 Plug and Play T-Harness for CH3 Chrysler, Dodge, Jeep Vehicles Connect an iDatalink-compatible car stereo and retain steering wheel controls and factory amp in select Chrysler-made vehicles Allows installation of a new receiver with iDatalink port in select Chrysler vehicles (also requires the Maestro ADS-MRR module) Retains the use of your steering wheel audio controls and factory amp Displays engine performance data on touchscreen with select Alpine, JVC, Kenwood and Pioneer receivers