Garage
Shop

Wiring Harness to Install a New Car Stereo for your 2025 X6 close

A car stereo wiring harness is the critical link that adapts an aftermarket radio’s universal wiring to your vehicle’s specific factory connector. By using a vehicle-specific harness, you eliminate the need to cut into the original electrical loom, preventing permanent damage and ensuring all power, ground, and speaker signals are routed correctly. This approach maintains the reliability of your vehicle's electronics and allows for a seamless installation that can be reverted to stock at any time. We stock a wide array of integration solutions from top-tier manufacturers like iDatalink, Metra, PAC, and Scosche. By matching your specific vehicle to the correct interface, you ensure that the complex communication between your new head unit and your car’s computer remains intact.

Loading...
Filters

Your Vehicle


Exclamation Icon
Fitment data is not available for your 2025 X6
Universal-fit product options below.

Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort

Metra 70-8113 Wiring Harness

Install a New Car Stereo and Retain Factory Amplifier in select 1999-2007 vehicles from Toyota, Lexus

70-8113 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo and Retain Factory Amplifier in select 1999-2007 vehicles from Toyota, Lexus

• Wiring harness for select 1999-2007 vehicles from Toyota, Lexus
• Retains factory analog amplifier and speakers
• Plugs into the car's stereo connectors on one side
• Color-coded wires, no wire cutting needed

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

26
List price $13.99
-29% $9.99

In stock

• Wiring harness for select 1999-2007 vehicles from Toyota, Lexus
• Retains factory analog amplifier and speakers
• Plugs into the car's stereo connectors on one side
• Color-coded wires, no wire cutting needed

Scosche LS02B Wiring Harness

Install a new car stereo in select 1998-2005 GS300

LS02B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1998-2005 GS300

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

List price $31.95
-6% $29.95

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche GM40B Wiring Harness

Install a new car stereo in select 2004-2021 vehicles from GMC, Chevrolet, Pontiac

GM40B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2004-2021 vehicles from GMC, Chevrolet, Pontiac

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

1
$6.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-6522 Wiring Harness

Install a new car stereo in select 2007-2018 vehicles from Dodge, Jeep, Chrysler

70-6522 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2007-2018 vehicles from Dodge, Jeep, Chrysler

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

37
List price $28.99
-10% $25.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche CR02B Wiring Harness

Install a new car stereo in select 2002-2007 vehicles from Dodge, Chrysler, Jeep

CR02B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2002-2007 vehicles from Dodge, Chrysler, Jeep

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

109
List price $8.95
-11% $7.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-1784

Install a New Car Stereo in select 1980-2020 vehicles from Volkswagen, Audi, Ram

70-1784 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo in select 1980-2020 vehicles from Volkswagen, Audi, Ram

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

16
$9.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche FD23B Wiring Harness

Install a new car stereo in select 2003-2014 vehicles from Ford, Lincoln, Hyundai

FD23B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2003-2014 vehicles from Ford, Lincoln, Hyundai

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

134
$7.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-7304 Wiring Harness

Install a New Car Stereo in select 2010-2021 vehicles from Kia, Hyundai

70-7304 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo in select 2010-2021 vehicles from Kia, Hyundai

• Direct Connection to the car factory harness
• Color coded wires for easy installation
• Powers up to 4 speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

14
List price $32.99
-42% $18.99

In stock

• Direct Connection to the car factory harness
• Color coded wires for easy installation
• Powers up to 4 speakers

Metra 70-1770 Wiring Harness

Install a new car stereo in select 1986-2004 vehicles from Ford, Mercury, Mazda

70-1770 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1986-2004 vehicles from Ford, Mercury, Mazda

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

22
List price $6.99
-14% $5.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-7550 Wiring Harness

Install a new car stereo in select 1995-2013 vehicles from Nissan, Infiniti, Suzuki

70-7550 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1995-2013 vehicles from Nissan, Infiniti, Suzuki

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

28
$6.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

iDataLink ADS-MIC1

Factory Microphone Retention Interface Module for select 2010-2024 vehicles from Ford, Subaru, Toyota (Requires ADS-MSR, MRR, or MR2 Module)

ADS-MIC1 big
Go to item page Right Arrow Icon of Right Arrow

Factory Microphone Retention Interface Module for select 2010-2024 vehicles from Ford, Subaru, Toyota (Requires ADS-MSR, MRR, or MR2 Module)

• Factory microphone retention interface module
• Retains the factory microphone when adding an aftermarket stereo
• Compatible with select 2010-2024 vehicles from Ford, Subaru, Toyota

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

1
List price $99.99
-20% $79.99

In stock

• Factory microphone retention interface module
• Retains the factory microphone when adding an aftermarket stereo
• Compatible with select 2010-2024 vehicles from Ford, Subaru, Toyota

PAC RadioPro RP4.2-TY11

RadioPro Radio Replacement Interface for select 2003-2019 vehicles from Toyota, Scion, Lexus With Built In Pre-Programmed Steering Wheel Control Retention, JBL Audio Retention and Navigation Outputs

RP4.2-TY11 big
Go to item page Right Arrow Icon of Right Arrow

RadioPro Radio Replacement Interface for select 2003-2019 vehicles from Toyota, Scion, Lexus With Built In Pre-Programmed Steering Wheel Control Retention, JBL Audio Retention and Navigation Outputs

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

2
List price $379.00
-53% $176.99

In stock

Only 3 Left!

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required

PAC RadioPro RP3-GM11 Wiring Interface

Install a new car stereo and retains the safety warning chimes and other factory features in select 2000-2013 vehicles from Chevrolet, GMC, Pontiac

RP3-GM11 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo and retains the safety warning chimes and other factory features in select 2000-2013 vehicles from Chevrolet, GMC, Pontiac

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Retains all safety warning chimes
• Micro-B USB Updatable

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

8
List price $219.00
-54% $99.99

In stock

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Retains all safety warning chimes
• Micro-B USB Updatable

Scosche GM05B Wiring Harness

Install a new car stereo in select 2000-2008 vehicles from Chevrolet, Pontiac, Oldsmobile

GM05B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2000-2008 vehicles from Chevrolet, Pontiac, Oldsmobile

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

25
List price $9.95
-30% $6.95

Available

Ships in 10-14 days

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

PAC ROEM-VET1

Wire Harness to Connect a New Car Stereo in select 1997-2004 Corvette

ROEM-VET1 big
Go to item page Right Arrow Icon of Right Arrow

Wire Harness to Connect a New Car Stereo in select 1997-2004 Corvette

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

5
List price $129.00
-53% $59.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Crux SOCGM-17C Wiring Interface

Install a new car stereo and retain safety chimes and other factory features in select 2000-2013 vehicles from Chevrolet, GMC, Pontiac

SOCGM-17C big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo and retain safety chimes and other factory features in select 2000-2013 vehicles from Chevrolet, GMC, Pontiac

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

5
List price $102.90
-36% $66.15

In stock

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-5701 Wiring Harness

Install a new car stereo and retain factory amplifier in select 1998-2003 Mountaineer and Explorer

70-5701 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo and retain factory amplifier in select 1998-2003 Mountaineer and Explorer

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

9
List price $38.99
-10% $34.99

In stock

Only 2 Left!

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-1677-1 Wiring Harness

Install a new car stereo in select 1973-1992 vehicles from Chevrolet, Pontiac, Oldsmobile

70-1677-1 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1973-1992 vehicles from Chevrolet, Pontiac, Oldsmobile

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your X6

17
$6.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

PAC C2R-GM11B Wiring Interface

Install a new car stereo and retains the safety warning chimes and other factory features in select 2004-2009 Malibu Maxx and G6 and Cobalt

C2R-GM11B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo and retains the safety warning chimes and other factory features in select 2004-2009 Malibu Maxx and G6 and Cobalt

• Provides 12-Volt accessory power (RAP)
• Compatible with non-amplified audio systems
• Micro-B USB Updatable
• Retains OnStar system

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.70 in rewards to spend later

No Fit Icon Doesn't fit your X6

4
List price $279.00
-58% $116.99

In stock

Only 2 Left!

• Provides 12-Volt accessory power (RAP)
• Compatible with non-amplified audio systems
• Micro-B USB Updatable
• Retains OnStar system

Crux DKVW-52 Dash Kit

Install a new Double-DIN or Single-DIN car stereo in select 2002-2014 vehicles from Volkswagen (Matte Black)

DKVW-52 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Double-DIN or Single-DIN car stereo in select 2002-2014 vehicles from Volkswagen (Matte Black)

• Double-DIN or Single-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $16.47 in rewards to spend later

No Fit Icon Doesn't fit your X6

2
List price $256.20
-36% $164.70

In stock

• Double-DIN or Single-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Wiring Harness to Install a New Car Stereo


    While splicing is technically possible, it’s highly discouraged. Modern vehicle wiring is often thin-gauge and part of complex, multiplexed systems. Cutting these wires is permanent, complicates future troubleshooting, and can lead to electrical failures. A harness allows you to perform all your soldering or crimping on a workbench, ensuring a more secure connection before you even touch the car’s dashboard.
    A wiring harness for a new car stereo works by providing standardized connectors and color-coded wires that match those of the new stereo and the vehicle's original wiring. One end of the harness plugs into the new stereo, while the other end connects to the car's existing wiring harness. This plug-and-play design ensures that the correct wires are connected without confusion. The harness also includes features like power, ground, speaker wires, and sometimes additional connections for features like steering wheel controls or factory amplifier integration.
    If your vehicle was equipped with a premium sound system from the factory, you'll likely need an integration harness. These modules are designed to provide the correct signal level to the factory amplifier, preventing background hiss or audible distortion. Without the proper interface, your new radio might not produce sound at all or could send an incompatible signal that overloads the factory hardware.
    To choose the right wiring harness, ensure that it is compatible with both your vehicle's make, model, and year, and the specific aftermarket car stereo you intend to install. Look for harnesses designed for your car's wiring configuration and that match the connectors of your new stereo. Some harnesses offer additional features like steering wheel control integration or factory amplifier support, so consider these if applicable. Reading user reviews, consulting online resources, or seeking advice from car audio professionals can help you select the correct wiring harness for a successful installation.
    Installing a wiring harness for a new car stereo is designed to be user-friendly and manageable for individuals with basic automotive DIY skills. Most harnesses come with clear instructions and color-coded wires to simplify the process. However, if your vehicle has a complex wiring system, you're not comfortable with car electronics, or you're integrating additional features like steering wheel controls or factory amplifiers, seeking assistance from a professional car audio installer is recommended. Professionals can ensure proper wiring connections, troubleshoot issues, and optimize the performance of your new car stereo setup while preserving the vehicle's electrical integrity.
    Most factory steering wheel buttons require a separate interface or a data-enabled harness to remain functional. High-end modules like the iDatalink Maestro or PAC ControlPRO translate the vehicle's digital steering wheel commands into a signal your new head unit understands. This allows you to keep your hands on the wheel while maintaining full control over volume and track selection.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    1986 Mazda 626

    2025 BMW X6

    2002 Acura MDX

    1982 Dodge B350

    1992 Mazda Navajo

    2016 Chevrolet Spark

    1995 Geo Metro

    2008 Audi S4

    2012 Aston Martin DB9

    2019 Ford Transit-250

    Vehicle
    Store
    Delete

    2006 Harley Davidson FLTR/I Road Glide

    1950 Harley Davidson EL

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.