Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
(258 reviews)
Price: $55.85
In Stock
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
Retail:$83.83
Our Price: $55.85
You Save: 33%
Will this fit?
To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Orders above $99 qualify for Free Shipping
In Stock
Customers prefer these similar products
100% prefer this
$71.97
- All Info
- Reviews (258)
- Q & A (0)
- Photos
- Why etrailer?
CURT Custom Fit Vehicle Wiring
- Custom Fit
- Trailer Hitch Wiring
- 4 Flat
- Powered Converter
- CURT
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.
Features:
- Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights
- Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately)
- Connects quickly and easily
- Locate connection points in rear cargo area
- Plug in T-connector
- Run hot lead to car battery
- Includes a tail light converter to ensure that your vehicle's wiring matches that of your trailer
- Powered module connects directly to battery to avoid overloading vehicle's electrical system
- Constructed using surface-mount technology (SMT) for consistent, reliable performance
- Maximizes trailer light yield and intensity while producing minimal heat
- Ensures superior operation in rough road conditions
- Comes with dust cap for 4-way flat connector
Specs:
- Maximum amperage:
- Stop/turn lights: 3 amps per circuit
- Tail lights: 6 amps per circuit
- Limited 1-year warranty
Installation
This custom-fit T-connector plugs into your vehicle's wiring harness, which is located in your rear cargo area. You will have to remove the trunk floor covering and rear cargo area cover to access this harness. Once you've plugged in the T-connector, run the hot lead up to your car battery. Connect the lead to the included fuse holder, and then connect the fuse holder to the positive terminal on your battery.
Once installation is complete, the 4-way connector will be stowed in an out-of-the-way location within your cargo area.
It is recommended that you use a small amount of grease on all electrical connections - the plugs on your automobile and the 4-pole connector itself - to help prevent corrosion.
Powered Tail Light Converter with Surface-Mount Technology
A tail light converter is built into this T-connector. This converter is a circuit-protected, battery-powered unit that bypasses the electrical routes that are used by a basic wiring harness. As a result, there is virtually no draw on your tail light circuits.
Because most trailers run on a two-wire system - wherein the brake and turn signals are carried on one wire - the separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of the trailer. This converter combines the brake and turn signal functions of your automobile so that they run on one wire to properly activate your trailer's tail lights. Note: This will not affect how the tail lights on your vehicle operate.
Curt builds each tail light converter using surface-mount technology (SMT). This method of construction involves soldering electronic components directly to the surface of a printed circuit board. SMT eliminates the need for leads, which are used in older through-hole technology. The result is a circuit board that is smaller yet provides more routing area and that offers superior performance, reliability and durability.
Circuit boards constructed using SMT have been shown to perform better under rough conditions with excessive vibration than those made using the through-hole method. And where would vibration be more likely to occur than in towing applications? Curt converters also produce less heat, leading to increased durability and longer life. In addition, lower levels of resistance ensure better performance, especially for parts that operate at higher frequencies.
Each Curt circuit board is made using high-quality components that are pieced together in the most technologically savvy fashion, leading to greater predictability and reliability in functioning.
56350 CURT T-Connector - Surface Mount Technology - 4 Wire
Replaces 56166
Item # C56350
Installation Details
This Product Fits The Following Vehicles
- 2013 - 2017 Toyota Avalon
- 2013 - 2017 Toyota Avalon
- 2018 - 2018 Toyota Avalon Hybrid
- 2013 - 2018 Toyota RAV4
- 2013 - 2018 Toyota RAV4
California residents: click here
Customer Reviews
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C56350
Average Customer Rating: 4.7 out of 5 stars (258 Customer Reviews)
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.by: Louis06/14/2022
2018 Toyota RAV4
I completed the install of two Curt Trailer Hitches; A 2017 RAV4 Hybrid and a 2018 RAV4 Hybrid. Couldn't be happier with the Curt T connector wiring harness C56350.
The Curt 13406 Hitch only has one issue that others may need to be aware of. After torquing the bolts that attach the hitch to the cars frame, the hatch would not open or close properly. There are two parts to the hatch system that allow the hatch to close and open, a "U" shaped clevis on the floorboard and the electric latch on the door. I believe the lateral bar of the hitch pushed up from below where the "U" shaped clevis hook is connected in the car. The mechanism on the hatch door would not join evenly to complete the close/latch process. My fix was to drive the "U" shaped clevis down less than 1/16th of an inch and then grease the two parts. Not my desire to beat up my car with a hammer, but it seems to have fixed the problem.
by: Paul 12/07/2021
2018 Toyota RAV4
This Curt T-connector installed pretty much per the instructions and per the available videos (my car is a 2018 Rav4). However, there are better places to route the trailer connector wire and power lead from the left pillar down to the hitch without routing it to the middle of the spare tire pan. There's a grommet (at least on my 2018) below the left pillar that puts the wiring right atop the left end of the hitch cross bar. Much better (and safer) location than the middle of the spare tire pan.
by: James05/08/2022
2018 Toyota RAV4
wiring harness was great. toyota didnt make it easy though!
by: Mark10/11/2021
Unfortunately I did not realize the hitch review and this would be separate so I commented on the wiring and the hitch. The connector kit worked fine. There is not a lot of room to work behind the trim. Took a bit of work to get the wires loose from the frame. The two sided tape for the black box did not work very well. The wires should be longer so that a different location could be used. The video for running the wire to the front of the car looks much easier than it is. I was working on the floor and it was difficult. The good news is that all worked first time!
Comments
Thank you for your review. It is easy to run out of length of the black power wire. I recommend to take a look at the article I linked that helps explain the best way to route the wire.
-- 
Heather A - 10/12/2021
Helpful Linkby: Karl K. 07/17/2019
Really easy to install if your half way handy. Reading the instructions really helps. They were clear and easy to understand. It took me about 45 minutes to install from start to finish.
by: Rich Stro09/25/2013
2013 Toyota RAV4
The Trailer Hitch apparantly had been damaged in shipment because the spacing between the mounting holes was too close by 3/8". I had to use a Hydraulic bottle jack and 4x4 wood block to expand the mounting pads so they wold fit. I think they need to put some foam in the packaging.. so when shipper drop the box it doesn't cause the mounting plates to get closer.. Other than that no problem only took 15 minutes to install
by: Colt03/23/2022
2016 Toyota RAV4
Easy enough to install, you're [online] instead video was A tremendous help
by: Donald 07/21/2021
2017 Toyota RAV4
Instructions were clear, but you'll have to make some decisions on your own about routing the trailer connection to the outside and running the power wire to the battery. I recommend having interior trim removal tools to carefully remove panels in order to access wiring harnesses.
by: John08/23/2021
The wiring harness had everything needed for a clean installation. I watched a video on the installation which was very helpful.
by: Peter06/30/2022
Easy install. After a year, it still works well.
by: Daniel06/29/2022
It was easy to install. There was no hi c-ups.
by: Mark05/05/2022
Fit and finish Was excellent. Installed in less than 15 minutes. Perfect fit. Everything was as advertised.
by: Mark09/13/2021
Great product and easy to install, especially with the easy-to-follow instructional video. The thing I love about etrailer is that every product has an installation video.
by: Mike B.08/27/2021
Count on etrailer for the big and small things. Added a hitch to Dad's Rav,,perfect for the small projects that he needs done.
by: Lou M07/09/2018
Fit was exact. Worked great. Use dielectric grease, it does help overall and ensures better connections. Even on vehicle connectors.
Comments
Still works great!
Lou M - 07/09/2019by: Rich M.06/09/2019
I installed Both the bumper and the trailer wiring harness, which Fit as advertised with little deviation from the instructions. Every thing worked fine. Do get the panel removal tools and watch the video several times before doing the actual install for both the bumper and Wiring. If this is the first time you have done this install on a given car, it does take longer than noted in the instructions. I would expect that if I ever do this again for the same car that the second time would be much faster. Good Product!
by: Peter S11/17/2019
2018 Toyota RAV4
Installed the Curt T-connector trailer harness in my 2018 RAV4 Hybrid this afternoon. Video instructions were spot on, and system worked perfectly after installation. One interesting thing with the hybrid - the battery is in the back, adjacent to the spare tire. That made power provision a piece of cake because there was no need to route the power wire externally!
by: John06/19/2019
Perfect kit to be factory like install with circuit protection and plenty of length to work with. Videos are spot on and recommend you go the extra effort on the install methods. Patience and persistence will get you a bang up job well done
Comments
No problems and the vehicle hasn’t once complained about any electrical issues.
John - 06/21/2020by: Gary 11/02/2019
2019 Toyota Camry
Great transaction with etrailer. Speedy reply to emails, item fit perfect, easy installation.
Comments
Great product. Super durability as no issues with products daily use after 1 year.
Gary - 11/02/2020by: Monica07/03/2021
Toyota RAV4
I wanted to add to my Toyota Rav4 and it was a perfect fit. Good quality and performance. Super easy to install, my son did it for me. Now I can tow my jet ski or lite pop-up trailer.
by: David03/15/2021
The instructions with the product were poor - not enough detail. Thankfully the video on etrailer was done well, capturing each step for my vehicle.
I don't think this harness should cost 1/2 the price of the hitch however.
by: David10/22/2019
This kit fit my car perfectly and the etrailer online video was excellent for how to install this kit on my car. Highly recommend both etrailer and the curt lighting kit. Also I recommend the curt line of powered trailer light kits as it keeps your car lighting system totally separate from your trailer lighting system preventing overloading or damage to your cars electrical system, I consider this type of wiring kit the only way to go !
by: Robert 03/12/2021
Great quality kit. Kind of a pain to run the power wire up to the battery, but at least I know it can handle any trailer light load that I connect to. Has been trouble free for a year now.
by: David 08/09/2021
2015 Toyota RAV4
Could have used longer wires on drivers side between module and tail
light connectors
by: RAV408/17/2019
The wiring harness was too short and did not fit. I had to cut the wires and extend them. Seems like a repeat comment from customers who purchased this harness.
25
258
Show More Reviews
Ask the Experts about this CURT Custom Fit Vehicle Wiring
- Does Installing Trailer Wiring on 2017 Toyota RAV4 Require Disconnecting BatteryThe Curt trailer wiring harness part # C56350 that you bought for your 2017 Toyota RAV4 does require removing the negative battery terminal. This is a safety precaution that is recommended almost anytime you are working on something electrical for a vehicle. We don't have an install video for this harness though so I am not sure where you saw that it's not a required step.
view full answer... - 2017 Toyota RAV4 SE Hybrid Compatibility With Curt T-Connector Wiring HarnessFor your 2017 Toyota RAV4, I reached out the my contact in the tech department at Curt and he said that it is a common misconception, but the Hybrid model uses the exact same wiring as the non-hybrid models. So he confirmed that the T-Connector part # C56350 will fit the Hybrid model and the installation will be the same. The C56166 you mentioned has been discontinued. I've attached an article to help with routing the power wire to your battery.
view full answer... - Does Curt 4-Pole Wiring Harness C56350 Fit 2017 Toyota RAV4 HybridThe Curt 4-pole trailer wiring harness kit # C56350 is confirmed fit for all versions of the 2017 Toyota RAV4, including the hybrid. I confirmed compatibility with Curt. The linked video and article will help you complete your installation.
view full answer... - Does Curt Trailer Wiring Harness part # C56350 Fit 2017 Toyota Rav4 HybridI reached out the my contact in the tech department at Curt and he said that the Hybrid model uses the exact same wiring as the non-hybrid models. So he confirmed that the T-Connector part # C56350 will fit the Hybrid model like what you have. If you can maybe send me pictures of the connectors you found on your 2017 Rav4 Hybrid and compare them to the picture of where you should find the correct connectors I can forward them to Curt and see if they maybe overlooked something.
view full answer...
- 4-Pole Trailer Wiring Kit for 2018 Toyota RAV4The Toyota part you referenced, wiring kit PU322-42013-UW, appears to be a 4-pole trailer wiring harness kit that installs at the tail light assemblies, much like the aftermarket kits we offer for your 2018 Toyota RAV4. We have three such kits, from Tekonsha, Curt and Hopkins, that are shown on the linked page. Our experience with these wiring kits tends to make the Tekonsha kit # 118578 our best recommendation for reliability. I linked an installation video to show how this kit installs....
view full answer... - Recommended 2 Inch Trailer Hitch for 2017 Toyota RAV4 HybridThere are a few trailer hitch options for the 2017 Toyota Rav4. All the available systems are confirmed to fit the Hybrid models as well. I recommend the Curt Class III Round Tube Receiver Hitch # C13149 because installation of this hitch does not require trimming or removal of your vehicle's underbody panel. This is a 2 inch receiver opening with a 525 lb tongue weight capacity that is custom fit for your RAV4 Hybrid, eliminating the need for drilling. Always check the tongue weight capacity...
view full answer... - Trailer Hitch Recommendation for a 2016 Toyota RAV4 HybridAll of our trailer hitches for the 2016 Toyota RAV4 fit the Hybrid models as well. We have confirmed this with our trailer hitch manufacturers. I recommend looking at the Curt Class III Trailer Hitch, # C13149. This hitch has more than enough towing and tongue weight capacity for your RAV4. Also, the 2 inch receiver is compatible with a wide variety of accessories such as bike racks and cargo carriers. If you plan on doing any towing, Curt offers a plug-in style trailer wiring harness,...
view full answer... - Tips on Routing Trailer Wiring Harness Power Wire on a 2014 Toyota RAV4Running the power wire to the battery when installing Curt trailer wiring harness # C56350 on your 2014 Toyota RAV4 is not all that difficult, it can just take some time depending on how you want to route the wire. How much time it takes varies. There are a few different methods to route the wire. I have included a link to our help article that covers tips on routing the power wire. It must be attached to the battery, no other power source will do. This is because the harness has only...
view full answer... - Where Does Curt Trailer Wiring Harness Install on a 2014 Toyota RAV4The T-connectors are the ones on the harness # C56350 since they Tee into the vehicle wiring. Find the wiring to the tail lights on your 2014 Toyota RAV4. There will be a connector that you will unplug. Then plug the forward connector into the matching input on the harness, and the output from the harness back into the connector that leads to the tail light. We do not have a video for that particular harness but we do have one on another harness that fits your RAV4 which I have linked...
view full answer... - Can a Seperate Battery Be Used to Power a Trailer Wiring HarnessFor starters, if you have a 2014 Toyota RAV4 then the correct trailer wiring harness for you is the Curt T-Connector Vehicle Wiring Harness part # C56350, not the Curt T-Connector Vehicle Wiring Harness part # C56033 which is a fit for Nissan and Infiniti models. Regardless, the converter box really needs to be powered by the vehicle's battery but if you really wanted to install a separate battery in the truck area you can do so as long as it is rated for at least 10 amps. Please keep...
view full answer... - Recommended Trailer Wiring Harness for 2014 Toyota Rav 4Although the Curt # C56350 and the Tow Ready # 118578 perform the same function and would install in the same manner, the Tekonsha model has a slightly higher amperage rating and is a bit less expensive. The higher rating wouldn't really matter unless your trailer has many lamps on it, but there's no good reason not to go with the lesser priced Tow Ready unit. If you click the provided links, you can see the installation details and an install video.
view full answer... - Will Mounting Bracket 18144 Work With Curt 4-Pole Flat Trailer Connector?Mounting Bracket # 18144 will work just fine with the Curt 4-Flat Connector # C56350 that fits your 2017 Toyota RAV4. You may want to add No-Drill Mount Bracket # 18140 as well so you do not have to drill; this bracket clamps to your hitch and you can then attach Mounting Bracket # 18144 directly to it.
view full answer... - Trailer Lights Always On With 2015 Toyota RAV4There are some vehicles that the running lights will stay on for a period of time after removing the key until after the doors are locked. It is a setting that can be changed on most vehicles. It's basically a courtesy light feature that when you unlock your doors with the remote the running lights will come on to help you see the vehicle and around it. The same happens when you remove the key and exit the vehicle to allow you to see around the vehicle. This usually will last 30 seconds...
view full answer... - Will Curt Hitch C13149 Fit a 2016 Toyota RAV4Yes, we checked with Curt and the trailer hitch part # C13149 is a confirmed fit for the Hybrid versions of your 2016 Toyota RAV4 like yours so it would fit and work well. For trailer wiring you would want the part # C56350 which also fits the Hybrids. I attached install videos for both this and the hitch. If you wanted to do some towing you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4...
view full answer... - Does Curt Hitch # C13149 Fit 2017 Toyota RAV4 SEYes, the Curt Hitch part # C13149 is a confirmed fit for your 2017 Toyota RAV4 SE and would be a great option. I attached an install video for this for you to check out as well. If you wanted to do some towing you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes a 1-7/8 inch ball, 2 inch ball, hitch pin with clip, and a storage bag. If the ball mount...
view full answer... - Trailer Hitch Recommendation for 2017 Toyota RAV4 HybridThere are a few trailer hitch options for the 2017 Toyota Rav4. All the available systems are confirmed to fit the Hybrid models as well. I recommend the Curt Class III Round Tube Receiver Hitch # C13149. This is a 2 inch receiver opening with a 525 lb tongue weight capacity that is custom fit for your RAV4 Hybrid. If you are looking to tow with your trailer hitch, I also recommend the Curt T-Connector Vehicle Wiring Harness # C56350. This harness is custom fit for your vehicle and will...
view full answer... - Video for Installing Trailer Wiring Harness on a 2013 Toyota RAV4I have included a link to a video that shows installation of trailer wiring harness # 118578. It installs the same way as Curt harness # C56350 on your 2013 Toyota RAV4. Both harnesses just plug in line with the vehicle tail light wiring. A direct connection to the battery is required for both as well. I have also included a link to our help article to the right with tips on routing the power wire.
view full answer... - Hitch Hardware for a 2018 Toyota Rav4Most Vehicles and hitches have their own specific hardware to insure proper fit and towing capacity. Our # C13149 hitch includes a hardware kit and installation guide. I attached a video on the installation for your convenience. The hardware specs can be found in the installation guide, but the bolts are listed as HHCS,M12x1.25,35,CL10.9,YZ or part number 10-10275 from Curt. The Curt part number for the necessary washer is 30-00149 just in case you need that as well. We sell replacement...
view full answer... - 2 inch Trailer Hitch Availability for a 2016 Toyota RAV4 HybridThe Curt hitch part # C13149 that you referenced is a 2 inch trailer hitch that has been confirmed as a fit for your 2016 Toyota Rav4 Hybrid. This would be a great option for you. I attached an install video for you to check out as well. If you wanted to do some towing you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes a 1-7/8 inch ball, 2 inch...
view full answer... - Is Hitch and Wiring From 2009 Toyota RAV4 to 2015 RAV4 the SameThe hitch fits for a 2009 Toyota Rav4 and a 2015 like the Curt part # C13149 are the same but the wiring is different. You'd have to swap to new wiring like with the part # C56350 and you'd be set. Since hitch hardware is considered one time use you'll need to order new hardware too with part # RHK.
view full answer... - Does a Trailer Hitch Void Warranty of a 2016 Toyota RAV4 HybridThe Curt hitch part # C13149 is a confirmed fit for your 2016 Toyota RAV4 Hybrid and would work well for you. I attached an install video for you to check out as well. When you install an aftermarket part on your vehicle like a trailer hitch in this case, you are protected by the Magnuson–Moss Warranty Act. This act states, in part, that unless the installation and the part caused a problem then the warranty cannot be voided. I recommend looking it up online. If you wanted to do some...
view full answer... - Trailer Hitch Recommendation for a 2016 Toyota RAV4The Curt hitch part # C13149 that you referenced has been confirmed as a fit for your 2016 Toyota RAV4 so it would be a great choice. I attached an install video for you to check out as well. If you wanted to do some towing you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes a 1-7/8 inch ball, 2 inch ball, hitch pin with clip, and a storage bag. If...
view full answer... - What Size Wire Gauge Should be Used to Extend the Power Wire for Trailer Wiring Harness # C56166Typically, routing the power wire on the inside of the vehicle uses up more wire than routing it underneath. But either way you still need some extra wire so lets look at what you will need. You could get away with using a larger gauge, especially over such a short distance. But I would go ahead with some 12 gauge wire like # 12-1-1, sold in increments of 1 foot.
view full answer... - Class III Trailer Hitch, Wiring and Towing Accessories for 2015 Toyota RAV4You're absolutely correct, the Curt # C13149 Class III hitch as well as the and the Curt # C56350 are indeed a fit for your 2015 Toyota Rav4, The hitch has a 3500 lb towing/525 lb tongue weight capacity. Since it sounds like you'll be towing with your Rav4, you'll also need a ball mount and a trailer ball. For a ball mount, use # 2753 and # 19261 for a 1-7/8 or # 63845 for a 2 inch trailer ball. I've linked to install videos for the hitch and the trailer wiring.
view full answer...
Do you have a question about this Custom Fit Vehicle Wiring?
Why etrailer.com?
At etrailer.com we guarantee:Highest quality custom fit vehicle wiring for the best price.
Our Lowest Price Pledge ensures you will never overpay for the parts you need.Real product know-how.
We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.Most detailed, accurate custom fit vehicle wiring information available.
Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.Installations, made easy.
We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.Fast shipping.
Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.Personalized service for life.
We provide one-on-one, personalized service from the ordering process through the life of your product.Trusted since 1946.
We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.Returns Policy
Need to return an item? No problem. Please read our Returns Policy for more information.
Info for this part was:
Expert Research:
Mike L
Expert Research:
Jameson C
Expert Research:
Adam R
Edited by:
Lindsey S
Video Edited:
Joshua S
Video Edited:
Jacob T
Video Edited:
Chris R
Installed by:
Cole B
Updated by:
Wilson B
Updated by:
Kristina F
Updated by:
Isabelle B
Written by:
Amanda M
Video by:
Jonathan Y
Test Fit:
Robert C
At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Product Experts Available Now!
Call 1-800-940-8924
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.