2016 Toyota 4Runner Trailer Wiring Harnesses

Please Select your Vehicle to See Exact Fit Parts

When it comes to towing with your 2016 Toyota 4Runner, having a reliable trailer wiring harness is essential for ensuring your lights and brakes operate smoothly on the road. Just like any other electrical component, these wiring harnesses need a bit of TLC to stay in top shape. To maintain yours, regularly inspect for frayed wires, corrosion at connection points, and secure connections to avoid any unwanted flickering or unresponsive lights. If you start noticing issues like dim lights, frequent blown fuses, or the absence of trailer brakes, it’s time to troubleshoot or replace that wiring harness before hitting the road with your trailer. A little proactive care goes a long way to keep your adventures trouble-free!

Essential Trailer Wiring Harnes Maintenance for Your 2016 Toyota 4Runner

If you’re planning to tow with your 2016 Toyota 4Runner, understanding and upgrading your trailer wiring harness is a game changer for convenient and safe towing. At Advance Auto Parts, we offer a wide selection of high-quality wiring harnesses designed specifically for your 4Runner, ensuring that your lights, brakes, and trailer signals work seamlessly together. Maintaining your trailer wiring is crucial not just for compliance with towing regulations but also for enhancing your overall towing experience. Plus, when you shop with us, you’re not just picking parts; you’re investing in trusted brands known for their reliability and durability. This means you can tackle your DIY projects with confidence, knowing you’ve got the right gear for the job.

Cost of Trailer Wiring Harness for Your 2016 Toyota 4Runner

When it comes to choosing a trailer wiring harness at Advance Auto Parts, you’ll find solid options from trusted brands that won’t break the bank. With prices ranging from $25.99 to $53.99, you can easily find a harness that fits your budget and needs, and the average price sits comfortably at around $40.49. Whether you’re looking for something basic or a little more heavy-duty, we’ve got you covered with quality products that make towing safer and easier. So, grab your tools and let’s get those connections sorted out!

Complete Your 2016 Toyota 4Runner Trailer Wiring Harnes Job with the Right Tools and Parts

When you’re diving into the maintenance or repair of your trailer wiring harness, it’s smart to gather a few related products to make your job smoother. You’ll likely need some electrical connectors and heat shrink tubing to ensure secure and weatherproof connections. Don’t forget about some quality electrical tape and maybe a few zip ties for a tidy setup! A basic toolkit is essential, but having a wire stripper and crimping tool can make your life a lot easier, especially when you’re splicing wires together. And remember, safety first! Always disconnect your vehicle’s battery before starting any electrical work to prevent shocks or short circuits, and don those safety goggles to protect your eyes from any debris while you work.

Trailer Wiring Harnesses for Your 2016 Toyota 4Runner

Hopkins – Wiring Kit (Part No.40955)

Wiring Kit

from

$42.99
Tow more than one trailer? Multi-Tow design feature adds multiple towing options from one connector by providing sockets for towing both 7 blade and 4 flat trailers. This connector is Plug-In Simple! with no cutting or splicing, saving you time by utilizing an OEM connector to create an exact fit for easy installation and maximum weatherproofing.

Product Features:
  • Multi-Tow provides multiple towing options from one connector
  • Plug-In Simple! Wiring Kit
  • Utilizes OEM connectors create an exact fit and maximum weatherproofing
  • Includes mounting bracket and hardware
  • Impact and corrosion resistant
  • Fits in standard 7 blade bracket
  • Includes Step-By-Step Instructions
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CURT – Dual-Output 7/4-Way Connector (Plugs into USCAR) (Part No.55774)

Dual-Output 7/4-Way Connector (Plugs into USCAR)

from

$36.99
A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector. This is where CURT’s custom wiring connectors come into play. A custom wiring connector uses a single original equipment plug to plug into a special socket provided by your vehicle. Though this option is not available on every vehicle, some automotive manufacturers design their vehicles to be easily equipped for towing by supplying a socket, integrated into the vehicle’s electrical system, to readily accept a custom wiring connector. With a CURT custom wiring connector, there is no need to tap into the taillight assembly because a special socket is already provided. This special custom wiring connector actually provides two connector sockets for a multipurpose option. It plugs into an OEM connector and offers a 4-way flat and 7-way RV blade connector. It comes with a mounting bracket for easy installation and is designed to be a custom wiring option for a variety of vehicles (see application info to verify fitment). CURT custom wiring connectors are designed to be long-lasting and simple to install. They come with dust covers to keep your connector clean when not in use.

Product Features:
  • Plugs into USCAR socket to provide 4-way and 7-way trailer wiring connectors
  • Fits USCAR-equipped vehicles with factory tow plugs only
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • 7-way RV blade socket adds reverse lights, electric brakes and auxiliary power
  • Dust covers included to keep connectors clean when not in use
  • Slit loom keeps wires contained and well protected
  • Metal bracket securely mounts wiring to the vehicle or trailer hitch
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CURT – Dual-Output 6/4-Way Connector (Plugs into USCAR) (Part No.55664)

Dual-Output 6/4-Way Connector (Plugs into USCAR)

from

$49.99
A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector. This is where CURT’s custom wiring connectors come into play. A custom wiring connector uses a single original equipment plug to plug into a special socket provided by your vehicle. Though this option is not available on every vehicle, some automotive manufacturers design their vehicles to be easily equipped for towing by supplying a socket, integrated into the vehicle’s electrical system, to readily accept a custom wiring connector. With a CURT custom wiring connector, there is no need to tap into the taillight assembly because a special socket is already provided. This special custom wiring connector actually provides two connector sockets for a multipurpose option. It plugs into an OEM USCAR connector and offers a 4-way flat and 6-way round connector (see application info to verify fitment with your vehicle). It also comes with a mounting bracket for easy installation. CURT custom wiring connectors are designed to be long-lasting and simple to install. They come with dust covers to keep your connector clean when not in use.

Product Features:
  • Plugs into USCAR socket to provide 4-way and 6-way trailer wiring connectors
  • Fits USCAR-equipped vehicles with factory tow plugs only
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • 6-way round socket adds connection for electric brakes and auxiliary power
  • Dust covers included to keep connectors clean when not in use
  • Slit loom keeps wires contained and well protected
  • Metal bracket securely mounts wiring to the vehicle or trailer hitch
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Hopkins – Wiring Kit (Part No.41155)

Wiring Kit

from

$25.99
Dont splice onto your vehicles factory wiring harness. Simply plug in this Hopkins? vehicle wiring kit featuring exact OEM matching connectors for a perfect weather-tight fit. This kit includes the accessories needed to get you towing faster.

Product Features:
  • Plug-In Simple? Wiring Kit
  • Utilizes OEM Connectors For Enhanced Fit And Weatherproofing
  • Includes Vehicle Side 4 Flat
  • Corrosion Resistant Terminals
  • Impact And Corrosion Resistant
  • Includes Dust Cover And Grease Packet To Prevent Corrosion
  • Includes Step-By-Step Instructions
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FAQs for 2016 Toyota 4Runner Trailer Wiring Harnesses

Which Trailer Wiring Harnesses are the top sellers for the 2016 Toyota 4Runner?

Out of 4 Trailer Wiring Harnesses that fit 2016 Toyota 4Runners, the following parts are the top sellers:
Wiring Kit
from $42.99
(20)
Wiring Kit
Trailer Wiring Harness
Dual-Output 7/4-Way Connector (Plugs into USCAR)
from $36.99
This product is not rated
Dual-Output 7/4-Way Connector (Plugs into USCAR)
Trailer Wiring Harness
Dual-Output 6/4-Way Connector (Plugs into USCAR)
from $49.99
This product is not rated
Dual-Output 6/4-Way Connector (Plugs into USCAR)
Trailer Wiring Harness

How can I make sure that a part will be compatible with my 2016 Toyota 4Runner?

Our Toyota 4Runner aftermarket and OEM parts are designed specifically for the 2016 model. You can always find your specific fitment and compatibility for your 2016 Toyota on an individual product page.

What is the price range for 2016 Toyota 4Runner Trailer Wiring Harnesses?

The range of prices of Trailer Wiring Harnesses for the 2016 Toyota 4Runner goes from $25.99 up to $49.99 for the most premium parts.

What is the average price of 2016 Toyota 4Runner Trailer Wiring Harnesses?

2016 Toyota 4Runner Trailer Wiring Harnesses average $38.99 for our selection of OEM and aftermarket parts.

Does Advance Auto Parts sell Trailer Wiring Harnesses for other Toyota 4Runner model years?

Yes, we currently stock Trailer Wiring Harnesses for 30 model years of Toyota 4Runners, from 1987 to 2026. Model years 2022, 2021, 2020, 2019, 2018, 2017, 2015, 2006, and 2005 are the most popular for Trailer Wiring Harnesses purchases.

Can I get help with 2016 Toyota 4Runner Trailer Wiring Harnesses orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Toyota Trailer Wiring Harnesses and more.

What is your return policy for Toyota 4Runner Trailer Wiring Harnesses?

Advance Auto Parts keeps returns simple. For new Toyota 4Runner Trailer Wiring Harnesses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.