Best Car Wiring Harnesses for Subaru of 2025

Kenneth Collin Avatar
Kenneth Collin
Last Updated: 1 Feb 2025

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Car wiring harnesses for Subaru are essential components that connect various electrical devices in a car. These harnesses are designed to fit perfectly with Subaru models and ensure that all electrical components work together seamlessly. They provide a clean and organised wiring system that is easy to install and maintain. With high-quality materials and advanced technology, these wiring harnesses are built to last and guarantee a stable and reliable electrical system for your Subaru. If you're looking for an efficient and effective way to stabilise your Subaru's electrical system, we advise you to consider car wiring harnesses for Subaru.

At a Glance: Our Top Picks

ECSiNG Y Type Horn Adapter for Cars Cover #TOP 1
ECSiNG Y Type Horn Adapter for Cars
ftb score rating icon 9.9
MACHSWON Car Speaker Connector Wire Harness Adapter Cover #TOP 2
MACHSWON Car Speaker Connector Wire Harness Adapter
ftb score rating icon 9.8
Jayubien 20Pin Car Radio Wire Harness Kit Cover #TOP 3
Jayubien 20Pin Car Radio Wire Harness Kit
ftb score rating icon 9.6

Top 10 Car Wiring Harnesses for Subaru

#TOP 1

ECSiNG Y Type Horn Adapter for Cars

ECS_VC772
Black
ECSiNG Y Type Horn Adapter for Cars Cover
ECSiNG Y Type Horn Adapter Wiring Harness Car Horn One-to-Two Converter Wiring Compatible with Toyota Compatible with Lexus Compatible with Subaru

The ECSiNG Horn Adapter is designed for easy installation in your vehicle. It is compatible with Toyota, Lexus, and Subaru models, ensuring you can connect it without hassle. With a simple plug-and-play feature, you can install it quickly into your car's speaker connector, eliminating the need for cutting or splicing wires. This means you can enjoy the convenience of upgrading your horn without damaging the original car horn cable, making it a practical choice for enhancing your vehicle's sound system.

What We Like
Compatible with multiple car brands
Easy plug-and-play installation
No cutting or splicing required
Preserves original wiring integrity
#TOP 2

MACHSWON Car Speaker Connector Wire Harness Adapter

Q20544AP4
black
MACHSWON Car Speaker Connector Wire Harness Adapter Cover
MACHSWON 4pcs Car Speaker Connector Wire Harness Adapter Connector for Toyota for Subaru

The MACHSWON Speaker Wire Harness makes installing aftermarket speakers a breeze. You can plug it directly into the harness without the hassle of removing wires or cutting the original speaker wire plug. This product is compatible with a range of Subaru and Toyota models, ensuring a perfect fit for your vehicle. With a cable length of approximately 20.5cm, it provides ample reach for most installations, simplifying the audio refitting process and saving you time and effort.

What We Like
Easy installation
No need to cut wires
Compatible with multiple models
Convenient cable length
#TOP 3

Jayubien 20Pin Car Radio Wire Harness Kit

JAYUBIEN
USJY07
Jayubien 20Pin Car Radio Wire Harness Kit Cover
Jayubien 20Pin Car Radio Wire Harness Adapter Kit with Butt Connectors Replacement for Nissan Altima Frontier Xterra Subaru Forester WRX Legacy Outback 16Pin ISO Stereo Cable with Antenna Plug

The Jayubien Car Radio Harness offers a convenient solution for connecting your aftermarket stereo to various Nissan and Subaru models. It features a 20-pin wiring harness replacement, ensuring compatibility with a wide range of vehicles from 2007 to 2014. The standard 16-pin ISO radio adapter allows for easy connection to most Android stereos, enhancing your audio experience. Additionally, the kit includes a factory radio antenna adapter, making installation straightforward and hassle-free.

What We Like
Compatible with multiple vehicle models
Easy installation with plug and play
Includes necessary connectors
Supports Android stereos
#TOP 4

Create idea 16 Pin ISO Adapter for Subaru

155-VC
Create idea 16 Pin ISO Adapter for Subaru Cover
Create idea 16 Pin ISO Standard Adapter Connector CD Player Radio Stereo Wiring Harness Compatible with Forster Impreza Justy Legacy SVX Vivio Tribeca

The Create idea ISO Adapter is designed for seamless integration with various Subaru models, including Forster, Impreza, and Legacy from 1992 onwards. You can easily plug the audio main unit into your car's original wiring without the need for any complex wiring. This non-destructive installation means you won’t damage your vehicle's existing setup. With its simple plug-and-play feature, setting it up is hassle-free, making it perfect for anyone looking to enhance their car's audio system effortlessly.

What We Like
Easy plug-and-play installation
Non-destructive setup
Compatible with multiple Subaru models
Durable materials used
#TOP 5

Scosche SU03B Car Radio Wiring Harness Kit

SU03B
multi
Scosche SU03B Car Radio Wiring Harness Kit Cover
Scosche SU03B Car Radio Wiring Harness Compatible with Select 1993-2009 Non-Amplified Subaru Vehicles - Aftermarket Stereo Receiver Wire Adapter Kit - See Fit Guide in Images to Verify Your Vehicle

The Scosche SU03B Harness offers a convenient solution for installing a new aftermarket stereo in select non-amplified Subaru vehicles from 1993 to 2009. With seamless integration, you can easily connect your new stereo without cutting any factory wiring. Its easy installation process, featuring colour-coded wires, allows you to upgrade your car audio system with minimal effort. Enjoy enhanced audio quality through factory-grade wires and connectors, ensuring optimal sound performance from your new stereo.

What We Like
Easy installation process
Seamless integration with factory wiring
Compatible with various Subaru models
Enhanced audio quality
#TOP 6

Direct Wire Harness for Pioneer Headunits

AHH-70-1761
Direct Wire Harness for Pioneer Headunits Cover
AutoHarnessHouse.com Direct wire harness for Pioneer Headunits (fits Toyota and Subaru)

The Pioneer Headunit Wire Harness from AutoHarnessHouse.com allows you to connect your Pioneer NEX or App Radio headunit directly to your vehicle with ease. It features prewired Metra 70-1761 type connectors, significantly reducing the need for extensive wire soldering or crimping. Additionally, you will receive essential signals such as Reverse, Vehicle Speed, and E-brake from the Pioneer connector. The harness also includes +12v switched and Ground connections for integrating a steering wheel control interface or other devices, ensuring a smooth and convenient installation process.

What We Like
Minimal soldering required
Compatible with many Toyota models
Works with 2016+ Subaru models
Provides essential vehicle signals
Easy installation process
#TOP 7

RED WOLF Speaker Wire Harness Adapter for Toyota

2020
2pcs
RED WOLF Speaker Wire Harness Adapter for Toyota Cover
RED WOLF Car Front Door Speaker Wire Harness Adapter Connector for Toyota Scion 2000-2019, Camry 4Runner, Subaru 2012-2019 Vehicles 2PCs

The RED WOLF Speaker Harness offers an easy solution for connecting car audio speakers in various Toyota, Scion, and Subaru models. With compatibility spanning from 2000 to 2019, this harness allows you to replace aftermarket door speakers without the hassle of cutting or splicing OEM wiring. The professional copper core ensures durability and longevity, while the transparent design enhances the aesthetic of your installation. This plug-and-play feature makes it convenient for anyone looking to upgrade their car audio system.

What We Like
Wide compatibility with multiple models
Easy plug-and-play installation
Durable copper core material
Attractive transparent design
#TOP 8

Metra RAPSU8900 Turbowire Harness for Subaru

Metra
RAPSU8900
Metra RAPSU8900 Turbowire Harness for Subaru Cover
Metra RAPSU8900 Subaru 1990-Up Turbowire Harness

The Metra RAPSU8900 Harness offers a convenient solution for connecting your car's audio system. It plugs directly into the car harness at the radio, making installation straightforward and hassle-free. With power for four speakers, you can enjoy a full sound experience without complicated wiring. Being the "Installer's Choice," this product ensures reliability and quality, giving you peace of mind as you enhance your vehicle's audio capabilities.

What We Like
Easy installation
Supports four speakers
Installer's choice for reliability
Direct plug-in feature
#TOP 9

Metra 71-8901 Wiring Harness for Subaru Radios

Metra
71-8901
computer
accessory
Metra 71-8901 Wiring Harness for Subaru Radios Cover
Metra 71-8901 Reverse Wiring Harness for Select Subaru Vehicles OEM Radio

The Metra 71-8901 Harness is designed specifically for installing double din radios or two single din radios in select Subaru vehicles. It includes all the necessary hardware to facilitate the installation of your aftermarket radio, making the process seamless and straightforward. Additionally, the harness is painted in a charcoal grey colour, which closely matches the factory colour of your vehicle. This ensures a clean and professional look once the installation is complete, enhancing the overall aesthetic of your car's interior.

What We Like
Perfect for double din installations
Includes all necessary hardware
Matches factory colour well
#TOP 10

RED WOLF Speaker Wire Harness for Toyota

2005
RED WOLF Speaker Wire Harness for Toyota Cover
RED WOLF Front or Rear Door Speaker Wire Harness Connector Adapter for Toyota 2018-2022, Camry RAV4 Avalon, 2020 Tacoma Door Speakers, Lexus is CT 2011-2018 Dash Tweeter Only

The RED WOLF Speaker Connector is designed for various Toyota and Lexus models, making it ideal for upgrading your stock speakers and tweeters. This harness simplifies installation with its larger slide for positive and smaller connector for negative connections, ensuring a hassle-free setup. The wire is made of pure copper, which is tinned to prevent corrosion, enhancing durability. Additionally, the product accommodates multiple models, including Camry and RAV4, offering versatility for your audio system enhancements.

What We Like
Easy installation process
Compatible with many models
Durable, corrosion-resistant materials
Enhances sound system quality
Buying Guide Image

Frequently Asked Questions (FAQs)

1. How much does it cost to install a wiring harness in a car?

The cost to replace a car wiring harness is $1,300-$1,700. The labor for the replacement is about $400-$500. You might expect to pay more for Power Braiding and for the increased complexity of your fuel injection system.

2. Are all car wiring harnesses the same?

Each vehicle has a different wiring story. Sometimes you have a choice of harnesses that will work in your car. Other times, you might need more than one harness to complete the installation.

3. Are car stereo wiring harnesses universal?

All aftermarket car stereos can use the same car stereo wiring harness, but it all depends on what the owner of the vehicle wants to do for one main reason.

4. How long does it take to replace a wiring harness in a car?

If the wiring harness in question is located in a tough-to-reach area, the technician may need to disassemble parts of the vehicle to gain access. In other words, installing a wiring harness could take as little as an hour, as long as 20 hours, or longer if complications arise.

Editor's Notes

During our car wiring harness for subaru research, we found 42 car wiring harness for subaru products and shortlisted 10 quality products. We collected and analyzed 13,776 customer reviews through our big data system to write the car wiring harnesses for subaru list. We found that most customers choose car wiring harnesses for subaru with an average price of £16.47.

The car wiring harnesses for subaru are available for purchase. We have researched hundreds of brands and picked the top brands of car wiring harnesses for subaru, including ECSiNG, MACHSWON, JAYUBIEN, Create idea, Scosche. The seller of top 1 product has received honest feedback from 310 consumers with an average rating of 4.9.

Written by
Kenneth Collin Avatar

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.