inputs.text: worked perfectly - installed pioneer avicd3 navigation systehem 2005 jeep grand cherokee unit worth every penny newer dodgejeepchrysler vehicles use \\canbus\\ systehem saves thehem time money connecting electrical components computer without adapter hard time installing anything nonfactory follow wiring diagram connect new stereo unit adapter plug factory harness done even includes vehicle speed sensor parking brake sensor parking light sensor reverse gear indicator etc thing would struggle find around car brought one simple harness putting navigation systehem would insane not buy thing note car factory amplifier wire front speakers new unit rear speakers factory harness else navigation systehem commands not audible also use harness ground not try ground chassis rehemehember everything runs computer