1、Applicable Model: The inactive speaker activation harness is a replacement for Tesla Model 3 2018‑2020, please check the model and year before ordering. 2、Activate Speakers: The original car can only use 8 speakers. With this wire harness, you can activate the 4 inactive speakers on cars. Give you more wonderful music enjoyment. 3、Practical: Give your ears a better listening experience and enjoy the pleasure of being surrounded by music, with stable data transmission and lossless sound quality. 4、High Performance: The wiring harness does not require additional processing, with thicker wire, low resistance, better sound effect, and safe to operate. 5、Non Destructive Installation: It is designed according to the original car interface, and can be inserted directly into the interface. Installation is simple and without any damage. <div class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;Inactive&nbsp;Speaker&nbsp;Activation&nbsp;Harness</p><p>Material: ABS</p><p>Fitment:</p><p>Replacement&nbsp;for&nbsp;Tesla&nbsp;Model&nbsp;3&nbsp;2018‑2020 <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style></p><p> </p><p></p><p></p></p></div> 1 x Wire&nbsp;Harness<p>1 x Screw Remover</p><p>1 x Interior Removal Tool</p>