Car Radio Ground Wire


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The car radio ground wire is an essential component of⁣ a‍ vehicle’s⁤ audio system. It serves the⁣ purpose of providing a path to ground for the electrical currents flowing through the radio. This grounding wire ensures the proper​ functioning of‍ the car radio by allowing the flow of current and preventing any interference or static noises.

The main ‌features of the car ⁣radio ground wire are its construction ⁢material, ⁤size, and attachment method. It is typically made of copper, which is an excellent conductor of electricity. Copper wires are preferred due to their low resistance and ability to carry a significant amount of current without overheating or causing a voltage​ drop. The size of the ground‌ wire depends on the power ⁣requirements of the car radio, with thicker wires being ⁤used for high-powered audio systems.

The ground wire is securely attached⁤ to both ⁢the car’s chassis and the radio itself. Its connection to the car’s chassis ‌ensures

Product Description for Car Radio Ground Wire

Price: $29.99
(as of Nov 11,2023 12:28:15 UTC – Details)

Product Description



Besign BK03 Bluetooth 4.1 Car Kit with Dual Port USB Car Charger and Ground Loop Noise Isolator for Car with 3.5mm AUX input Port

Bluetooth V4.1
Bluetooth 4.1 technology offers significantly lower power consumption and more stable signal transmission, thus giving you a lossless audio transmission and crystal-clear phone calls and music.

Adding Bluetooth function with your Car
Instant solutions to turn car stereo system into bluetooth wireless environment for hand free calls on the road and access to the music on mobile devices.

The Ground Loop Noise Isolator for pure music quality
With the Ground Loop Noise Isolator, which helps decrease the buzzing noise in some cars while playing music or handsfree calling, thus giving you the better music or calling experience.

Support two phones simultaneously
You can connect with two smart phones with the multi-point support of this Bluetooth AUX adapter

Siri or Voice Command
One Button to activate the Siri or Voice Command
In the standby mode, press & hold the Blue Button for 2 seconds to activate the voice command function on Andriod or iOS devices. Refer to the phone manual for detailed instruction if applicable.

Air Vent Clip for Easy Installation.
Special design with Air Vent Clip included, you could install this Bluetooth car kit with your car very easily.

1. How to use this car receiver?
A. your car must have a 3.5mm Aux port.
D. Switch the car audio to AUX when you use this car receiver.
2. The calling volume is very low and music volume is very loud:
Call and music volume is different setting in your smart phone. If you change the car audio volume, the difference is still there.
Adjust the call volume when your smart phone in the call or dialing mode only.
Note: iPhone first Bluetooth connection, call volume will decreased to a very low level, you need to adjust it manually as above.
3. Auto-On: Auto-on is activated by the impulse current.
The impulse current activation will be failed if the twice power supply in short time, you need to turn on the car kit manually in this case. Example as follows:
When change the power supply from car engine to the battery.
Other conditions caused the power supply changed or transferred in short time.
4. No calling voice from this car receiver.
A. Open your bluetooth setting, and click this car receiver, then check if you have select all the related profiles for this car receiver.
B. For iPhone, please receive the phone call via this car receiver button; the calling will transfer to your phone speaker if you receive the phone call from your iPhone, this is iPhone Bluetooth setting.
If the above solution is not workable for your order problem, you could reach us via contact seller with your Amazon order number. We will solve your problem as soon as possible.Thanks.

In the Box

Besign BK03 Bluetooth Car Kit
USB Car Charger
Mounting Sticker
Air Vent Clip
The Ground Loop Noise Isolator

Function for car
✓ (Car must have 3.5mm Aux Jack)
✓ (Car must have 3.5mm Aux Jack)
✓ (Car must have 3.5mm Aux Jack)

Place for car
Air vent clip or Velcro sticker
Magnetic Mounting base
Magnetic Mounting base
Sunvisor Clip
Sunvisor Clip

Car Charger


Built-in Mic

Built-in Speaker
X (Use Car Speaker via Aux port)
X (Use Car Speaker via Aux port)
X (Use Car Speaker via Aux port)
✓ (Single 2W)
✓ (Dual 2W)

Ground Loop Noise Isolator

X (No need,built-in battery)
X (No need,built-in battery)

ON/Off Switch

Voice Assistant

Working Hours
X (Work with car charger)
X (Work with car charger)
X (Work with car charger)
15 Hours
20 Hours

Auto On
✓ (Impulse Current Activation)
✓ (Impulse Current Activation)
✓ (Impulse Current Activation)
✓ (Motion Sensor)
✓ (Motion Sensor)

AUTO-ON & AUTO-CONNECT: This Bluetooth car kit will power on automatically when you start the car, then auto sync with the last connected phone (please make sure the Bluetooth of your phone is turned on before starting the car)
THE GROUND LOOP NOISE ISOLATOR INCLUDED: In most cases, the sound quality is excellent. If you are bothered by the buzzing noise, you could use this noise isolator to avoid it.
CONNECT To 2 PHONES: With the multipoint technology, the Besign BK01 Bluetooth Car Kit can connect to 2 devices at the same time. Dual Port Car charger included: Comes with a 10 watt dual port 2.1A cigarette lighter power adapter, stand ready to charge additional devices at the same time.
What’s in the Box: 1X BK03 Bluetooth Car Receiver, 1X Dual USB Port Car charger, 1X Ground Loop Noise Isolator, 1X Air Vent Clip, 1X Mounting Sticker, 1X User Instruction.


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