I went from manual to power. you can tell if your passenger seat has power by comparing it to the photo below. The harness DR sells a harness to power the passengers seat if yours is not powered . 2019 - 2022 Silverado/Sierra: Manual to Power (Passenger) Seat Retrofit Harness - Harness Dr. - DIY Done Right If your truck came with heat/vent seats you the heat/vent will work on your new seats. If you only had heat that is all you will have working on your new seats. Heat /vent is controlled by the BCM and it has to be programed to add the vent function . To my knowledge no one can or will do that for you