Previously, Part 8: Finishing Touches Something to keep in mind, this article is written for my 2018 Model 3 Long Range with the Premium sound system. If you have a Model 3 Standard Range with a Standard or Partial Premium stereo, some of this information will to be relevant to you and some of it will not. The power systems and speaker locations/geometry will be the same, but you won't have the rear amplifier or subwoofer and some of your speakers will be disconnected. Other people are putting together how-to instructions for the SR/SR+ and the best compilation I've seen is here, on Tesla Owners Online Additionally, Tesla is continuously updating the Model 3's hardware. At least one wiring connector has changed since I took delivery of my car (the VC_Left 12V turn-on pin is now populated). I expect more changes will take place in the future.As of Software Update 2020.16.2.1, the VC_Left pin that I used as a turn-on s…