Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In
  1. Home
  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Audio Installation & Accessories
  4. Discontinued Car Speaker Installation & Accessories
  5. Discontinued Car Speaker Harnesses

Discontinued Car Speaker Harnesses for your 2018 WRX close

Filters

Your Vehicle

close
Checkmark Icon
Fits select locations in your 2018 WRX
Add vehicle details to confirm exact location or Update vehicle.
Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

Scosche SHCR03B

1991-Up Chrysler 2-Pin Rectangular Universal Speaker Harness

SHCR03B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHCR03B

1991-Up Chrysler 2-Pin Rectangular Universal Speaker Harness

2-Pin Rectangular Universal • Speaker Harness for Chrysler Vehicles 1991-Newer • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

2-Pin Rectangular Universal • Speaker Harness for Chrysler Vehicles 1991-Newer • Plugs Directly Into Vehicles Harness

Scosche SHNN01B

1991-Up Nissan Universal Speaker Harness

SHNN01B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHNN01B

1991-Up Nissan Universal Speaker Harness

• Universal Speaker Harness for 1991-Up Nissan Vehicles
• Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

1

• Universal Speaker Harness for 1991-Up Nissan Vehicles
• Plugs Directly Into Vehicles Harness

Scosche SHGM02B

1983-Up GM Select Speaker Harness

SHGM02B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHGM02B

1983-Up GM Select Speaker Harness

Select Speaker Harness for 1983-Up GM Vehicles • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

Select Speaker Harness for 1983-Up GM Vehicles • Plugs Directly Into Vehicles Harness

Metra 72-6511

2 Pin Oval Speaker Connector for Select Chrysler Vehicles

72-6511 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-6511

2 Pin Oval Speaker Connector for Select Chrysler Vehicles

2 Pin Oval Speaker Connector for Select Chrysler Vehicles • Quick and easy installation • No cutting into original wires needed • Plugs directly into harness

No Fit Icon Doesn't fit your WRX

2 Pin Oval Speaker Connector for Select Chrysler Vehicles • Quick and easy installation • No cutting into original wires needed • Plugs directly into harness

Metra 72-6510

4 Pin Oval Speaker Connector for Select Chrysler Vehicles

72-6510 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-6510

4 Pin Oval Speaker Connector for Select Chrysler Vehicles

4 Pin Oval Speaker Connector for Select Chrysler Vehicles • Connects speakers to the factory harness • Easy to connect

No Fit Icon Doesn't fit your WRX

1

4 Pin Oval Speaker Connector for Select Chrysler Vehicles • Connects speakers to the factory harness • Easy to connect

Scosche SHTA01B

1987-1990 Toyota Universal Speaker Harness

SHTA01B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHTA01B

1987-1990 Toyota Universal Speaker Harness

Universal Speaker Harness for 1987-1990 Toyota Vehicles • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

Universal Speaker Harness for 1987-1990 Toyota Vehicles • Plugs Directly Into Vehicles Harness

Scosche SHCR01B

1985-1997 Chrysler/Dodge/Geo Universal Speaker Harness

SHCR01B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHCR01B

1985-1997 Chrysler/Dodge/Geo Universal Speaker Harness

Universal Speaker Harness • For 1985-1997 Chrysler, Dodge and Geo Vehicles • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

Universal Speaker Harness • For 1985-1997 Chrysler, Dodge and Geo Vehicles • Plugs Directly Into Vehicles Harness

Scosche SHCR04B

1987-Up Chrysler 4-Pin Rectangular Universal Speaker Harness

SHCR04B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHCR04B

1987-Up Chrysler 4-Pin Rectangular Universal Speaker Harness

4-Pin Rectangular Universal • Speaker Harness for Chrysler Vehicles 1987-Newer • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

4-Pin Rectangular Universal • Speaker Harness for Chrysler Vehicles 1987-Newer • Plugs Directly Into Vehicles Harness

Scosche SHFD01B

1981-1997 Ford Universal Speaker Harness

SHFD01B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHFD01B

1981-1997 Ford Universal Speaker Harness

Universal Speaker Harness for 1981-1997 Ford Vehicles • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

Universal Speaker Harness for 1981-1997 Ford Vehicles • Plugs Directly Into Vehicles Harness

Scosche SHGM04B

1978-Up GM Universal Speaker Harness

SHGM04B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHGM04B

1978-Up GM Universal Speaker Harness

Universal Speaker Harness for 1978-Up GM Vehicles • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

Universal Speaker Harness for 1978-Up GM Vehicles • Plugs Directly Into Vehicles Harness

Scosche SHMA01B

1989-Up Mazda Universal Speaker Harness

SHMA01B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHMA01B

1989-Up Mazda Universal Speaker Harness

Universal Speaker Harness for 1989-Up Mazda Vehicles • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

Universal Speaker Harness for 1989-Up Mazda Vehicles • Plugs Directly Into Vehicles Harness

Metra 72-4567

Rear Speaker Harness for Select Pontiac Vehicles

No picture DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-4567

Rear Speaker Harness for Select Pontiac Vehicles

Rear Speaker Harness for Select Pontiac Vehicles • Connects aftermarket speakers to the factory speaker harness • Quick and easy installation • No cutting needed • Plugs directly into harness

Rear Speaker Harness for Select Pontiac Vehicles • Connects aftermarket speakers to the factory speaker harness • Quick and easy installation • No cutting needed • Plugs directly into harness

Metra 72-6500

Speaker Adapter for Select Chrysler Vehicles

72-6500 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-6500

Speaker Adapter for Select Chrysler Vehicles

Speaker Adapter for Select Chrysler Vehicles • Connects speakers to the factory harness • Easy to connect

No Fit Icon Doesn't fit your WRX

Speaker Adapter for Select Chrysler Vehicles • Connects speakers to the factory harness • Easy to connect

Metra 72-6000

Door Speaker Harness for Select Chrysler Vehicles

72-6000 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-6000

Door Speaker Harness for Select Chrysler Vehicles

Door Speaker Harness for Select Chrysler Vehicles • Speaker harness for select Chrysler vehicles • Easy installation • No splicing into wires needed • Plugs directly into harness

No Fit Icon Doesn't fit your WRX

Door Speaker Harness for Select Chrysler Vehicles • Speaker harness for select Chrysler vehicles • Easy installation • No splicing into wires needed • Plugs directly into harness

Metra 70-5522

Sub-Plug for select 2004-2014 vehicles from Ford, Lincoln, Mercury with Premier Radio

70-5522 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 70-5522

Sub-Plug for select 2004-2014 vehicles from Ford, Lincoln, Mercury with Premier Radio

• For Amplified Sound Systems In Select select 2004-2014 vehicles from Ford, Lincoln, Mercury Vehicles
• Includes An 8-Pin Harness With 2 Pairs of RCAs

No Fit Icon Doesn't fit your WRX

• For Amplified Sound Systems In Select select 2004-2014 vehicles from Ford, Lincoln, Mercury Vehicles
• Includes An 8-Pin Harness With 2 Pairs of RCAs

Scosche SHCR02B

1981-Up Chrysler/Dodge/Plymouth 4-Pin Oval Universal Speaker Harness

SHCR02B big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Scosche SHCR02B

1981-Up Chrysler/Dodge/Plymouth 4-Pin Oval Universal Speaker Harness

4-Pin Oval Universal • Speaker Harness for Chrysler, Dodge and Plymouth Vehicles 1981-Newer • Plugs Directly Into Vehicles Harness

No Fit Icon Doesn't fit your WRX

4-Pin Oval Universal • Speaker Harness for Chrysler, Dodge and Plymouth Vehicles 1981-Newer • Plugs Directly Into Vehicles Harness

Metra 72-8710

Speaker Connector for European Imports

72-8710 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-8710

Speaker Connector for European Imports

Speaker Connector for European Imports • Quick and easy installation • No cutting into original wires needed • Plugs directly into harness

No Fit Icon Doesn't fit your WRX

Speaker Connector for European Imports • Quick and easy installation • No cutting into original wires needed • Plugs directly into harness

Metra 72-7400-open box

Speaker Connector for Select Nissan Vehicles

72-7400 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-7400-open box

Speaker Connector for Select Nissan Vehicles

Speaker Connector for Select Nissan Vehicles

No Fit Icon Doesn't fit your WRX

Speaker Connector for Select Nissan Vehicles

Metra 72-9302

Speaker Connector with Bullet for Import Vehicles

72-9302 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

Metra 72-9302

Speaker Connector with Bullet for Import Vehicles

Speaker Connector with Bullet for Import Vehicles • Quick and easy installation • No cutting into original wires needed • Plugs directly into harness

No Fit Icon Doesn't fit your WRX

Speaker Connector with Bullet for Import Vehicles • Quick and easy installation • No cutting into original wires needed • Plugs directly into harness

PAC SHB-FD04

Vehicle Specific Plug-and-Play Speaker Harness for select 2021-2026 vehicles from Ford

SHB-FD04 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

PAC SHB-FD04

Vehicle Specific Plug-and-Play Speaker Harness for select 2021-2026 vehicles from Ford

• Speaker harness for select 2021-2026 vehicles from Ford
• For installing speakers in OEM locations
• 2 pairs of adapters for door or kick speakers included
• 2 pairs of adapters for upper tweeter/dash speaker included
• No cutting or splicing required

No Fit Icon Doesn't fit your WRX

• Speaker harness for select 2021-2026 vehicles from Ford
• For installing speakers in OEM locations
• 2 pairs of adapters for door or kick speakers included
• 2 pairs of adapters for upper tweeter/dash speaker included
• No cutting or splicing required

1 2 3 4 5 Next

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Discontinued Car Speaker Harnesses

    Car Speaker Harnesses Frequently Asked Questions (FAQ)
    Car speaker harnesses are wiring adapters designed to facilitate the installation of aftermarket speakers into a vehicle's factory speaker wiring harness. When upgrading your car's speakers, the factory wiring may not be compatible with the new speakers' connectors. Car speaker harnesses act as a bridge between the aftermarket speaker's terminals and the vehicle's wiring, ensuring a secure and correct connection. They eliminate the need for cutting or splicing the factory wires, making the installation process faster, easier, and more reversible. Car speaker harnesses are essential for maintaining the integrity of the vehicle's electrical system and preventing any damage to the factory wiring during the speaker upgrade.
    To find the right car speaker harnesses for your specific vehicle and speakers, you need to identify the make, model, and year of your car and the aftermarket speakers you intend to install. Many retailers and car audio specialty stores offer compatibility tools or guides that allow you to input this information to find the appropriate harnesses. Alternatively, you can refer to the product descriptions or consult with customer support to ensure compatibility. It's crucial to select harnesses that match the speaker connector type and size and are compatible with your car's factory wiring harness. Properly matched car speaker harnesses ensure a seamless and hassle-free installation, allowing you to enjoy the enhanced sound quality of your new speakers without any electrical issues.
    The installation of car speaker harnesses is typically a straightforward DIY task for individuals with basic automotive knowledge and some electrical experience. Most harnesses come with color-coded wires and clear instructions, making the process relatively easy. However, if you are unsure about your technical skills or have limited experience with car audio installations, seeking professional help is a viable option. Professional car audio installers have the expertise to handle different types of harnesses and ensure a correct and secure connection. They can also address any potential challenges or complications that may arise during the installation. By choosing professional installation, you can have peace of mind knowing that your car speaker harnesses are correctly installed, reducing the risk of electrical issues and maximizing the performance of your aftermarket speakers.
    Car speaker harnesses play a crucial role in ensuring the proper electrical connection between the aftermarket speakers and the vehicle's factory wiring. A secure and correct connection is essential for maintaining the audio signal integrity and preventing any loss of sound quality. Using car speaker harnesses eliminates the need for cutting or splicing the factory wires, which can introduce potential electrical interference and degrade the signal. By preserving the original wiring and making a clean connection, the harnesses help to minimize signal loss and distortion, leading to improved sound quality and enhanced performance from your new speakers. Properly installed harnesses ensure that the speakers receive the necessary power and deliver their full potential, allowing you to enjoy a more immersive and enjoyable listening experience in your car.
    Yes, there are different types of car speaker harnesses available to accommodate various speaker sizes and connector types. When choosing the right harnesses for your setup, consider the following factors: Speaker Size: Ensure that the harnesses are designed for the specific size of your aftermarket speakers. Connector Type: Select harnesses that match the connector type of your new speakers and your car's factory wiring. Vehicle Make and Model: Choose harnesses that are compatible with your car's make, model, and year. Wire Gauge: Check the wire gauge of the harnesses to ensure they can handle the power requirements of your speakers. Quality: Opt for high-quality harnesses made from durable materials to ensure a reliable and long-lasting connection. By paying attention to these considerations, you can find the ideal car speaker harnesses that facilitate a smooth and successful speaker installation. If you're unsure, don't hesitate to seek advice from a knowledgeable retailer or car audio specialist to make the best choice for your specific setup.

    All About Discontinued Car Speaker Harnesses

    Factory matched speaker connectors to install a set of aftermarket speakers using the factory connections.

    If you're searching for the best car speaker harnesses to optimize your car audio installation, you've come to the right place. On this page, you'll find a wide selection of top-quality car speaker harnesses designed to provide a seamless and hassle-free integration of aftermarket speakers into your vehicle's audio system. Upgrade your car audio experience today with the finest car speaker harnesses available on our website.

    Car speaker harnesses are essential components for a smooth and efficient installation of aftermarket speakers in your vehicle. These harnesses act as intermediary connectors between your new speakers and the factory wiring, simplifying the integration process while preserving the integrity of your car's wiring system.

    One of the key advantages of using car speaker harnesses is the convenience they offer during installation. Instead of cutting and splicing wires, which can be a time-consuming and potentially damaging process, car speaker harnesses allow you to plug and play your new speakers directly into your vehicle's wiring. This reduces the risk of any electrical issues and ensures a secure and reliable connection between your speakers and the car's audio system.

    Moreover, car speaker harnesses help maintain the originality of your car's wiring system. If you ever decide to revert to the factory speakers or upgrade to new ones in the future, these harnesses can be easily removed without leaving any permanent modifications to the wiring. This flexibility ensures that your car's audio system remains adaptable and upgradeable over time.

    Beyond the ease of installation and maintenance, car speaker harnesses also provide a safety feature. By using harnesses, you minimize the risk of damaging your vehicle's wiring, protecting both your car's electrical system and your aftermarket speakers from potential harm.

    At Sonic Electronix, we understand that finding the right car speaker harnesses for your specific vehicle can be a daunting task. Our team of car audio experts is always ready to assist you in this journey. If you have any questions or need help selecting the correct harnesses for your car, don't hesitate to reach out to our knowledgeable customer service team at 1-502-200-8010. Our experts will guide you through the selection process, ensuring that you find the perfect car speaker harnesses that match your vehicle's make and model.

    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

    2018 Subaru WRX

    1995 Mitsubishi Eclipse

    2004 Nissan Murano

    2005 Mazda RX-8

    2022 Jeep Compass

    2011 Dodge Caliber

    2000 Ford Windstar

    1992 Ford Bronco

    2018 Lexus GS300

    1978 Dodge Diplomat

    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

    Cancel

    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue

    Cancel

    Shop your 2018 WRX
    Why Use a Vehicle Fit Guide?
    Change vehicle | Shop without vehicle
    Whoa! Slow down. Add your details below!
    additional information required
    Add vehicle details to confirm fitment
    Ignore fitment details
    Find stereos and more that work -- fast.

    Additional information:

    Remove

    Can't find your vehicle? Click here and we'll help.

    Where to find vehicle info

    Go to Fitment

    Didn't find your car?

    Submit your details and we'll help!
    Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
    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
    Back

    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.

    Back
    Track your order
    Call our experts
    Support Center
    Return & Exchanges
    Follow on Instagram Instagram logo
    Subscribe on YouTube YouTube logo