ZELVEN TNZ-78S Steering Wheel Radio Bluetooth Control Switch 25851951 Buick

( Brand: Zelven ), ( Part Type: Wheel Radio Control Switch ), ( Manufacturer Part Number: TNZ-78S )

Review ZELVEN Steering Wheel Radio Bluetooth Control Switch Compatible Buick

The Zelven TNZ-78S Steering Wheel Radio Bluetooth Control Switch is a convenient and practical accessory designed to enhance the functionality of your in-car entertainment system. This switch is specifically engineered for select Buick models, ensuring a perfect fit and seamless integration with your vehicle.

The TNZ-78S is an all-in-one control solution that allows you to manage various features of your car radio using the steering wheel. With this switch, you can easily control the volume, change the radio station, and switch between tracks using the steering wheel controls. Additionally, it comes with Bluetooth connectivity, allowing you to make hands-free phone calls and stream music directly from your smartphone.

The design of the Zelven TNZ-78S is sleek and unobtrusive, blending effortlessly into the interior of your Buick. The buttons are tactile and responsive, providing a satisfying click with each press. The switch also features a LED display that shows the current mode or setting, making it easy to use even in low-light conditions.

Installation of the TNZ-78S is a straightforward process that can be completed in just a few simple steps. The switch comes with a wiring harness that connects directly to your vehicle's radio, eliminating the need for complex wiring or splicing. A detailed instruction manual is also included to guide you through the process.

The Zelven TNZ-78S Steering Wheel Radio Bluetooth Control Switch is a must-have accessory for anyone looking to add convenience and connectivity to their driving experience. With its easy-to-use design, seamless integration with select Buick models, and Bluetooth capabilities, this switch is an excellent investment for any car enthusiast.

Buying the Zelven TNZ-78S Steering Wheel Radio Bluetooth Control Switch for a Buick: A Comprehensive Analysis

The Zelven TNZ-78S is a steering wheel radio Bluetooth control switch designed for Buick vehicles. This device enables drivers to control various functions of their car audio system and phone using the steering wheel. Let's examine the pros and cons of purchasing this switch.

1. Convenience: The Zelven TNZ-78S allows drivers to control their car audio system and phone functions without taking their hands off the steering wheel, ensuring a safer and more convenient driving experience.

2. Easy installation: The switch plugs directly into the OBD-II port, making installation quick and straightforward. No additional wiring or professional installation is required.

3. Compatibility: The Zelven TNZ-78S is designed to work with a wide range of Buick models, allowing a large customer base to benefit from its features.

4. Improved phone integration: The switch supports Bluetooth connectivity, enabling users to answer or end calls, play or pause music, and control volume using the steering wheel controls.

5. Cost-effective: The Zelven TNZ-78S is a more affordable alternative to factory-installed steering wheel control switches, making it a budget-friendly option for Buick owners.

1. Limited functionality: The switch may not support all functions of the car audio system or phone, depending on the specific vehicle model.

2. Potential compatibility issues: Although the switch is designed to work with a wide range of Buick models, there may be instances where it does not function correctly.

3. Build quality concerns: Some users have reported issues with the build quality of the switch, including loose buttons or poor connectivity.

4. OBD-II port concerns: There have been cases where the OBD-II port was damaged during installation or use of the switch, potentially affecting the vehicle's performance.

The Zelven TNZ-78S steering wheel radio Bluetooth control switch offers several advantages, including convenience, easy installation, compatibility, improved phone integration, and cost-effectiveness. However, it also has some disadvantages, such as limited functionality, potential compatibility issues, build quality concerns, and OBD-II port concerns.

If you are a Buick owner looking to enhance your in-car experience with Bluetooth phone integration and steering wheel controls, the Zelven TNZ-78S could be a suitable option. However, it is essential to carefully consider the pros and cons and ensure that your specific vehicle model is compatible before making a purchase. Additionally, be mindful of potential build quality concerns and install the switch carefully to avoid damaging the OBD-II port.

Details:

Terminal: Blade. Contact Type: Normally Closed. Brand: Zelven. Material: Plastic.

Manufacturer: Zelven. Operating voltage : 120 volts . High Quality This product is made from high quality materials for optimum corrosion resistance and longevity, manufactured with precision to meet OE standards. Connector Type: Plug In.

Current Rating: 2 Amps. Steering Wheel Radio Bluetooth Control Switch 25851951 Compatible with Buick Enclave Chevy Tahoe Avalanche Express Impala Silverado Suburban Traverse GMC Savanna Sierra Yukon: Operation Mode: ON-OFF. Switch Type: Toggle. Item dimensions L x W H: 5.71 3.27 2.76 inches.

specifications carectronic:

• brand: Zelven
• part type: Wheel Radio Control Switch
• manufacturer part number: TNZ-78S

general carectronic:

• condition: New
• Vehicle Electronics GPS > Car Electronics Accessories > Other Car Electronics Accs

returns carectronic:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller carectronic:

• rating: 99.4%
• city: San Gabriel, California
• # reviews: 315

offer carectronic:

• started: December 24, 2025
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

payments carectronic:

• other
• wallet: Apple-pay
• credit card: Visa

shipping carectronic:

• service: Standard
• class: Standard
• transit: 5-9 Days
• cost: $0.00
• type: Fixed

Zelven TNZ-78S Is Similar To:

• Zelven Tnz-235s Audio Control Switch Compatible With Buick Enclave Chevy Tahoe Avalanche (59.2% similar) Fits for compatible with 2009 -2017 buick enclave, 2011 -2024 GMC savanna, 2008 -2014 sierra, 2009 -2014 Yukon, 2009 hummer H2. Audio control switch compatible with buick enclave Chevy Tahoe avalanche express impala Silverado suburban traverse GMC savanna sierra Yukon replaces 25851951 15819311...(May 11th, 2026)