For Tesla Model 3 2021-2023 Upgrade Inactive Speaker Activation Wire Harness 8 To 12 For Model 3 Standard Range Plus SR+ Cables
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Specifications
- Brand Name
- NONE
- High-concerned chemical
- None
- Origin
- Mainland China
- Type
- Signal line
- Model Number
- For Model 3 Upgrade Inactive Speaker Activation Wire Harness
- For Model 3 2021-2023
- Upgrade Inactive Speaker Activation Wire Harness
- For Model 3
- Standard Range Plus SR+ Cables
- ASIN
- XLCA23-009
Product Description
For Tesla Model 3 2021-2023 Upgrade Inactive Speaker Activation Wire Harness 8 To 12 For Model 3 Standard Range Plus SR+ Cables
Features:
- Customized Design: This is specially designed for Tesla model 3 standard range plus speakers. Suitable for model 3 Sr + 2021-2023
- Activate Speakers: The original car can only use 8 speakers. With this wire harness, you can activate the 4 inactive speakers on SR+ cars.
- High Quality Material: Using the same audio cables of the original car, with stable data transmission and lossless sound quality.
- 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.
- Great Accessory: Give your ears a better listening experience and enjoy the pleasure of being surrounded by music!
- Please choose carefully according to your car model and year, product is different
- Does not fit Rhd model 3 in Japan, Australia, United Kindom, Ireland, Thailand, Malasia, Singapore, New Zealand, etc
Pros & Cons
Pros
- Custom-designed specifically for 2021-2023 Tesla Model 3 SR+ vehicles for a perfect direct fit
- Plug-and-play installation requires no cutting or professional automotive expertise
- Activates factory-inactive speakers to unlock improved audio performance without full speaker system replacement
- Brand-new signal line harness with no pre-existing wear or damage
Cons
- Limited compatibility: only works with 2021-2023 Tesla Model 3 Standard Range Plus vehicles
- No printed installation instructions are provided, which may confuse first-time DIY users
- No manufacturer warranty is disclosed, so buyers have limited recourse for defective units
- The product is unbranded, so there is no official brand support or quality guarantee
Common Questions
What Tesla vehicles is this speaker activation wire harness compatible with?
This harness is purpose-built for Tesla Model 3 Standard Range Plus (SR+) models from the 2021 to 2023 model years.
What does this wire harness upgrade do for my Tesla?
This harness activates the factory-installed inactive speakers in your compatible Model 3 SR+, enabling full, improved audio output from your vehicle's sound system.
Is this harness easy to install, or does it require professional modification?
This is a custom-designed plug-and-play harness that connects directly to your vehicle's existing wiring without any cutting or permanent modifications.
What is included in this purchase of the Tesla speaker harness?
The set includes 8 to 12 tailored cables for the Model 3 SR+ speaker activation upgrade, with all necessary components for the install.
Where is this wire harness manufactured?
This harness is made in Mainland China, per the product specifications.
Product information last updated on December 20, 2025