Maestro HRN-RR-CH2 Plug and Play T-Harness for CH2 Chrysler, Dodge, Jeep Vehicles Connect a new car stereo and retain steering wheel audio controls and factory amp in select 2004-10 Chrysler-made vehicles Allows installation of a new receiver in select Chrysler vehicles (also requires the Maestro ADS-MRR module) Retains the use of your steering wheel audio controls and factory amp in select vehicles Displays engine performance data on touchscreen with select Alpine, JVC, Kenwood and Pioneer receivers