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CURT

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Part Number: C56210

187 Reviews | 17 Questions

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$15.47

Retail:$20.95

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2013 Honda Accord

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curt custom fit vehicle wiring trailer hitch plug-in

curt custom fit vehicle wiring trailer hitch plug-in t-connector harness for factory tow package - 4-pole flat connector

curt custom fit vehicle wiring trailer hitch 4 flat c56210

curt custom fit vehicle wiring trailer hitch end connector t-connector harness for factory tow package - 4-pole flat

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In Use/Installed

2012 gmc terrain custom fit vehicle wiring curt end connector 4 flat c56210

2012 gmc terrain custom fit vehicle wiring curt end connector 4 flat on a

2012 gmc terrain custom fit vehicle wiring curt trailer hitch 4 flat t-connector harness for factory tow package - 4-pole connector

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Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector customer photo

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Videos

Set up: Curt T-Connector Vehicle Wiring Harness for Factory Tow Package on a 2015 GMC Terrain

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package: The Breakdown

Setting up the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package on a 2017 GMC Terrain

Install: Curt T-Connector Vehicle Wiring Harness for Factory Tow Package on a 2017 Chevrolet Equinox

Set up: Curt T-Connector Vehicle Wiring Harness for Factory Tow Package on a 2016 Chevrolet Equinox

Set up: Curt T-Connector Vehicle Wiring Harness for Factory Tow Package on a 2013 Chevrolet Equinox

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SCHEDULE AN INSTALLATION

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required. 1-800-940-8924 to order CURT custom fit vehicle wiring part number C56210 or order online at etrailer.com. Free expert support on all CURT products. Great prices and Fastest Shipping for Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.

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Reviews (187)
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CURT Custom Fit Vehicle Wiring - C56210

Highlights

Custom Fit for Your Vehicle: Works with your vehicle's wiring
Tow Without Factory Prep: 4-pole connector powers trailer lights through your existing tow wiring.
Plug-and-Play Install: T-connector plugs into factory port behind trim—no splicing needed.
Clean Wire Routing: Harness can be stored inside or routed through a grommet for a tidy setup.
Reliable Connection: Factory-style clips ensure a secure fit and consistent signal to trailer.
Ready for Accessories: Standard 4-flat works with light kits like the Lets Go Aero #H01540.

Features to know about

Installs Fast with Factory Tow Package Plug: No Splicing Needed

With this Curt T-Connector, wiring for trailer lights stays simple. It plugs straight into the factory tow package port behind the rear trim panel, so you don’t have to cut or splice a single wire. Once connected, you get a clean 4-pole flat trailer connector ready to power running lights, turn signals, and brake lights.

Keeps Wiring Clean and Protected: Flexible Mounting Options

You can route the 4-flat outside through an existing grommet for a permanent setup or keep it stored inside under the rear floor when not in use. Either way, the harness stays protected and out of sight until it’s time to tow.

Reliable Trailer Light Power: Compatible with 4-Flat Accessories

Once installed, this harness gives you a standard 4-flat plug that works with light kits and accessories like bike rack or cargo carrier lights. It’s ready to power anything that uses a 4-way flat connection without extra adapters.

Straightforward Activation with Factory Fuse Setup

If your tow package fuses and relays are already in place, the harness is active right away. If not, simply install the factory trailer fuses or relays in the power distribution box, and the system comes to life — no special programming needed.

Specs

Electrical and Compatibility

Connector type: 4-Pole Flat Trailer Connector
Application: Vehicles equipped with factory tow package
Manufacturer: CURT
Product type: T-Connector Vehicle Wiring Harness
Vehicle end connector: Plug-In
Converter: No Converter

56210 Curt T-Connector - OE Replacement 4-Flat

Similar to Tekonsha 118264

Installation Details C56210 Installation instructions

This Product Fits The Following Vehicles

2010 - 2017 Chevrolet Equinox with factory Tow Package
2010 - 2017 GMC Terrain with factory Tow Package

Customer Satisfaction Score:

98% were satisfied with this product

2% of customers were not satisfied

Arrived Damaged
Wrong item was ordered

2% of customers were not satisfied

Arrived Damaged
Wrong item was ordered

4.9

187 reviews

5 Stars		(166)
4 Stars		(19)
3 Stars		(0)
2 Stars		(1)
1 Star		(1)

by: Paul 08/24/2016

2016 Chevrolet Equinox

I searched the internet to put a hitch on my 2016 Chevy Equinox and found an instructional video from eTrailer.com where they installed on my exact car. I decided to go with eTrailer.com because they answered all my questions and because of the video-I support businesses that go the extra mile with these videos.

Shipping was quick and well tracked, however, the box was flimsy and the one end of the hitch had come out of the box side and the ball mount could have easily come out of that hole during shipping. If I were eTrailer.com I'd charge an extra couple of bucks for more sturdy boxes-people will still buy as eTrailer is a well-trusted brand and this would overcome a lot of the negative reviews you'll see on their site about this shipping issue in their own reviews :-)

I installed the hitch by myself (definitely recommend help as two people holding it up to the frame makes attaching 100% easier) in about 45 minutes total (out of the box, read instructions, review video again and installation complete). All hardware went on with no issues.

Great quality hitch! I also bought the lesser expensive wiring assembly because most recent equinox's come hitch ready with pre-wired assembly in the left side compartment-snap and done.

Picked up a new trailer at Home Depot within days and drove 5 feet and the clacking was horrible. I had always had a welded hitch before buying a hitch that took a ball mount. I really thought something was wrong and when I searched the internet that night it turns out this is very common. However, all you need is some sort of hitch "silencing" device. The number of options will drive you mad but I went with the Roadmaster Quiet Hitch and it did the trick for much less than most of the other options. If I were eTrailer.com I'd have that as one of the RECOMMENDED add-ons and explanation why its super-worthy when customers are buying a hitch. Would have saved me the time and hassle of dealing with it later and the extra shipping charge for buying after the fact when I got free shipping for the other items the first time :-)

All in all, I'm super, super happy with my hitch, wiring assembly, ball mount, ball mount locking pin and the hitch silencer.

Buy with confidence from eTrailer.com

Paul R., Syracuse, NY

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by: Bob J 08/22/2024 One Year Later

Wiring harness was exactly what I needed and arrived in just a few days. The info available on etrailer’s website enabled me to discover that my 2016 Equinox came from the factory with a connector hidden in the compartment below the floor of the cargo area. Without learning about that, I’d’ve wasted a lot of time connecting the wiring through the taillight! Thanks, etrailer!

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by: Mark J. 03/09/2014

2014 GMC Terrain

I purchased a Curt Trailer Hitch Receiver & Vehicle Wiring Harness for a 2014 GMC Terrain. Etrailer emailed me when they received the order, again the next day when they shipped it and then when it arrived at my location. The instructions for installing the hitch & wiring harness were very good along with the videos on their web site. I was able to complete the installation by myself in about 1 hour. I was very pleased with the price & service that etrailer provided.

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by: Joe W. 01/26/2015

2015 Chevrolet Equinox

Installed on a 2015 Equinox. Instructions with pictures helped. I cringed at the effort to remove the scuff panel and when pulling out on the lower trim panel to gain access to the trailer connector. However, was successful with no cracked parts.

My issue with the instructions was what to do with 4-pin trailer connector after it was plugged. Instructions said leave it in the cargo area in a convenient out of the way place. Not an option as didn't want it in the cargo area.

The above was solved when I located a plastic plug on the drivers side. Drilled a hole and put a 3/8" rubber grommet in it. Then cut the wires maybe a foot from the Equinox plug. Then split the wires and fed each of the four individually through the grommet and reconnected with butt connectors.

As wires are a few inches from the muffler taped them and put a split black wiring protector around them. For good measure taped the wire protector as shown in the picture. Will spray the plastic plug area to ensure no water seeps in to the spare tire pit.

This put the plug underneath the vehicle and allowed attachment to the hitch. Wires were secured with 11" inch wire ties to the trailer hitch cross bar.

eTrailer was very professional when I ordered the wiring, Draw-Tite hitch and Curt Easy Mount Bracket. Their Web site was great with the installation videos for other products.

However, I could only find a video review on this product. All told, was probably an easier installation than the alternative kit which required removing both taillights.

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by: Thomas 09/22/2026

2014 Chevrolet Equinox

Plugged it right in; it works and does the job. Thank you.

by: Robert 07/22/2020

Bought hitch and wire harness for my 2017 Chevy Equinox. Simple install and good fit. Just make sure you have a tap set to clean out any weld nuts

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by: Aaron 06/25/2026

The packaging was not that great, i would expect when you buy something new with some undamaged. Hey was scraped off because packaging was torn open. Other than that everything was great.

by: Joe D 11/26/2014

2013 GMC Terrain

Good product, easy install, very fast free 3 day shipping. Helpful staff.
Thank you,
Joe.

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by: Edmond 04/19/2026 One Year Later

Easy to install and works as should!

by: RICK W 07/20/2016

2016 Chevrolet Equinox

THIS WIRING HARNESS CONNECTED TO AN EXISTING PLUG ON THE LEFT REAR OF MY 2016 CHEVROLET EQUINOX. I DID NOT HAVE THE TRAILER TOWING PACKAGE, SO IF ARE ADDING A HITCH TO YOUR EQUINOX, YOU MAY NOT NEED THE "T" WIRING HARNESS THAT CONNECTS TO THE TAIL LAMP PLUGS ON EACH SIDE OF THE VEHICLE. CHECK THE LEFT REAR AND SEE IF YOU HAVE A EMPTY CONNECTOR WITH WHITE,GREEN, YELLOW AND BROWN WIRES. SIMPLE PLUG-IN AND YOUR DONE. IF YOU KNOW SOMEBODY WITH SMALL HANDS, THERE IS A ACCESS OPENING REACHABLE WHEN THE SPARE TIRE COVER IS REMOVED. REACH IN AND CONNECT IT, TAKES ABOUT 5 SECONDS. WORKS PERFECT.

Richard M. One Year Later

7/22/2017

1 YEAR LATER AND WORKS PERFECTLY

by: George 04/05/2026

2015 GMC Terrain

Vary easy to install & use

by: Carlos 03/11/2019

2016 Ford Fiesta

The instructions for the wiring harness were very simple as it is plug and play type of installation. Overall very pleased and satisfied with purchase and will definitely recommend the company and products to others interested.

Carlos One Year Later

3/12/2020

Works very well no issues .

by: Steve233 06/30/2015

2015 Chevrolet Equinox

Check to make sure your Equinox / Terrain has the factory ready towing package wiring connection in the driver's side rear. I have a 2014 LT2 and my friend just bought a 2015 LT1. They both have factory tow ready wiring connection. This makes me wonder if all these vehicles come this way now and there is no need to buy a true "T connector" when you have to remove the rear panels and two rear lights to install. If you have the factory wiring connection, get the Curt C56210 wiring harness, which is really simple to install. You don't have to remove any panels as the printed instructions say. I only wish that eTrailer would make one of their excellent instructional videos to show how simple it is to install and to possibly recommend a permanently location to install the harness outside of the vehicle near the hitch then laying it through the rear hatch when needed, as the instructions recommend.

by: Tom S. 09/19/2016

2016 Chevrolet Equinox

I own a 2016 Chevy Equinox LT and read the reviews that others wrote on this site. I found the wiring plug in the lower left rear corner of the vehicle by simply removing the floor cover over the spare tire. I did not have to remove the scuff panel on the side, all I had to do was reach down and rotate the connector so that I could simply plug in the adapter. It was that easy. The adapter works great and the trailer lights are bright. This was the easiest and quickest vehicle I have ever wired for a trailer and this product made it possible. My vehicle was not special ordered with the trailer wiring, the plug was there and the fuses were all ready in the fuse panel. It works for me!

by: Del B. 04/29/2020 One Year Later

I received the wiring harness for my Equinox on time and in good shape. The web site information made it easy to make sure I had the right harness for my vehicle. In my case it was an easy plug-in style and I chose to leave the harness access from inside my vehicle, but there were good instructions on how to install it at or near the hitch.

I would gladly buy from etrailer again.

by: Nate 09/07/2014

2014 GMC Terrain

I've used etrailer a few times in the past. This is a first rate company and I would recommend this company to anyone. Always quick shipping/and top quality parts. This review is for the DrawTite hitch and wire harness for the 2014 GMC Terrain. Hitch fits perfect just like factory and the wire harness plugs in to available harness. Took 30 seconds to hook the wiring up, and about 30 mins to install and torque the hitch. Great product, Great company.

by: Kimberly 07/27/2018

I really liked the fact the wiring harness was what I could afford since Chevy wanted 85.00, appreciate it they work great Thanks Kim Creed

Kimberly C. One Year Later

7/27/2019

Awesome can take my dirt bikes out and the trailer lights work

by: Russ B. 10/11/2016

2016 Chevrolet Equinox

Ordered Curt Trailer Hitch part number 13591 and Curt T-Connector wiring harness part number 56210 for 2016 Equinox and it arrived 10/5/16, day before Matthew went up coast of Florida. Shipment arrived quickly and in good condition. I installed the wiring harness right away and it took longer to open the tail gate and remove spare tire cover than to install the harness connector.

by: Alvin C. 06/23/2014

The Product I order was the second one that I had order from e-trailer. It arrived on time and in great shape. I installed it per the information video on the website. It took all of 10 minutes to install and it works great. I am very satisfied with my dealing with this company and have already recommended it to several members of family and friends.

Alvin C. One Year Later

6/23/2015

The product is working as specified.

by: Gerald D. 10/10/2014

2011 Chevrolet Equinox

My hitch installed exactly as stated in the video I watched before I
ordered the product. The video for the Curt wiring harness for factory
tow package on my 2011 Chevrolet Equinox was also very helpful.
I would recommend your products to any one who is in the market
for a quality hitch at a reasonable price.

by: Jason h 05/09/2014

2013 GMC Terrain

I found the best price around for a hitch and wiring harness for my 2013 GMC Terrain. Everything shipped quick and conveniently to my door. Installation was a breeze as everything lined up and the instructions included were easy to follow! Very highly recommend! Uhaul near me wanted more for the same hitch and also another $100 bucks to install. 6 bolts took me about 1/2 hour to install the hitch and wiring. Plug in wiring harness was as simple as taking up the floor panel and plugging into factory existing plug.

by: John G 06/09/2018

2017 Chevrolet Equinox

Again, etrailer's video made this install a piece of cake. Easily located the prewired connector back by the spare tire. After a couple of moments figuring out what angle I should twist my hand to get the tow package harness plugged into the prewired connector. Once I figured that out the connector easily popped together. I stored the extra wire around the spare tire. At this time, I did not thread the wire through one of the grommets for an exterior fit. Maybe later if I find I'm using a wired trailer.

by: Frank T. 10/12/2015

2015 Chevrolet Equinox

Plugged right in to trailer wiring harness on 2015 Chevy Equinox. Installation took 2 minuets. Even if you do not have the factory tow package the Trailer wiring harness is there. It is there on my 2012 and also on my 2015. Makes installing trailer wiring a breeze.

by: Linda O. 07/07/2014

2014 GMC Terrain

Very easy to install except that the picture had the two center bolts going in upside down but anyone with a little common sense could figure that out - LOL! The wiring harness was also very easy and the video was great! I used it the next day to pull a trailer from Florence to Tucson and everything worked just fine. I will be shopping etrailer.com for other items for my Terrain. Thanks for a great product and service support!

by: JJ 03/28/2019

2016 GMC Terrain

Just installed the MaxxTow (MT70033) Trailer Hitch on my 2016 GMC Terrain. It was a perfect fit and was easy to install (as shown on the video). Great for any DIY. I didn't have a lift so I just jacked the back of the vehicle up a little bit. The only problem I had was getting the wire fish tape (was a little to limber and it kept folding up in the bumper) thru the bumper so we took a long wire tie and but thru first, then taped the wire fish and pulled it thru. Everything else went together just as described! I would recommend this product to any do it yourselfer to save on installation cost.

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See what our Experts say about this CURT Custom Fit Vehicle Wiring

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Troubleshotting Curt Trailer Wiring Harness Not Fitting 2012 GMC Terrain
Hey Edmond, the Curt trailer wiring kit part # C56210 that you have for your 2012 GMC Terrain would only fit if you have the factory tow package which it sounds like yours doesn't. What we know is that there are some OEM components needed to activate the tow package wiring that we unfortunately do not have access to. That said, what we can guarantee will work is the # 56094 which installs by plugging inline with the vehicle taillights. This is the for sure kit we can recommend that will work.
view full answer...
Which Trailer Wiring Harness Fits 2016 Chevy Equinox
For the 2016 Chevy Equinox the correct 4-way harness is the part # 118264 or Curt part # C56210. These will attach to the factory trailer wiring port in the rear of the vehicle. I attached pictures that show you where to find the port at the rear of your vehicle. The T-harnesses you mentioned should still work but since they are not designed for your vehicle variation I can't recommend them.
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How to Tell if 2015 Chevrolet Equinox Has Factory Tow Package
If your 2015 Chevrolet Equinox has a factory tow package, there should be a trailer connector at the rear of the vehicle, behind the rear bumper. The connector could also be inside a black box that is mounted under the vehicle. If this is present, then your Equinox almost definitely has a factory tow package. Another way to be sure is to simply take your VIN number to a local Chevrolet dealer and they will be able to tell you exactly what was installed in the factory for your vehicle.
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Is Dealer Programming Needed to Activate Tow Package Wiring in 2014 Chevrolet Equinox
The Curt T-Connector Vehicle Wiring Harness # C56210 that you referenced is intended for the Chevrolet Equinox that has the factory tow package. The connection point for this harness is behind the driver-side rear trim panel. The only thing you may need to do to activate this harness is install the required tow package fuses and/or relays IF they are not already in place. Check the power distribution box under the hood for any empty fuse holder location labeled 'trailer' or 'tow'. If your...
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Trailer Hitch and Wiring for a 2014 Chevy Equinox
Trailer hitches including Curt hitch # 13591 for your 2014 Chevy Equinox include the hitch itself and the installation hardware. Everything else is sold separately. This is done so that customer do not have to purchase a whole package and end up with parts they do not need. I also recommend 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,...
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Troubleshooting No Brake Lights from 2016 GMC Terrain Wiring Harness
The first thing to check is that your harness connectors are fully seated together. Also, it can happen that one of the metal contacts in the connectors (either the vehicle or harness side) could be bent and this could prevent the brake light signal from reaching your trailer. Also check the main ground wire for the Terrain's wiring harness; this white ground wire must make metal-to-metal contact with the vehicle. You can try cleaning/sanding the grounding point, moving the ground wire...
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How To Install Curt Discovery C51120 In 2017 Chevrolet Equinox W/ ETBC7
I would be happy to help! I looked up your order and it looks like you purchased the following products: 7-way Connector # ETBC7 4-way Connector # C56210 Curt Discovery Trailer Brake Controller # C84VV Curt Wiring Adapter # C51515 Now it looks like your 2017 Chevrolet Equinox does not have the factory trailer connector. If that is the case then the # C56210 you ordered will not work as it is designed for vehicles with the factory trailer connector. You would need the # C56594 instead....
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Tongue Weight Rating for etrailer Trailer Hitch Receiver on 2017 Chevy Equinox
The etrailer Trao;er Hitch Receiver #e98865 has a maximum tongue weight of 400-lbs when used with a weight distribution system and 350-lbs without a weight distribution system. The gross trailer weight is 4000-lbs when used with a weight distribution system and 3,500 when used without. The towing capacity for your 2017 Chevy Equinox varies depending on your engine size. The 2.4L engine is rated to tow up to 1500-lbs. The 3.6L engine is rated to tow up to 3500-lbs according to the Chevy...
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Recommended Trailer Hitch and Wiring for a 2017 Chevrolet Equinox
The trailer hitch size that allows you to use the widest variety of accessories would be a 2 inch hitch like the etrailer Class III Trailer Hitch Receiver # e98865. This hitch is a confirmed fit for your 2017 Chevrolet Equinox and will enable you to choose from a bigger selection of bike racks, cargo carriers and other accessories. It has a max Tongue Weight of 350 lbs and a Gross Towing Weight of 3,500 lbs. If you have the tow package on your Equinox then all you will need for a 4-Way...
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Best Trailer Hitch and Wiring Recommendations for a 2014 Chevy Equinox LT
Yes, the etrailer trailer hitch # e98865 will fit your 2014 Chevy Equinox LT. I have included a link to the right to a video showing installation for you. If you plan on doing 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 kit does not have...
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Hi Kyle! Yes, the Blue Ox Trailer Hitch Receiver, part # BLU75QV, is a great choice for your 2017 GMC Terrain. Blue Ox has a great reputation for quality products, and this hitch has a 2 inch receiver that works with a wide variety of hitch mounted accessories. I like it because of it's concealed cross tube for a clean look behind your bumper, a durable powder coat finish to help resist rust and corrosion, and a bolt on installation that doesn't require welding. Since your Terrain has...
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The distance between the inside edges of the rear frame rails on the 2015 Chevrolet Equinox is approximately 35". If you are looking for a rear hitch receiver compatible with this vehicle, I recommend using the etrailer Trailer Hitch Receiver part # e98865 as this hitch has the highest tongue weight (TW) and gross trailer weight (GTW) of any other hitch receivers confirmed as a fit for your vehicle. I have attached an installation video of this hitch on the same year vehicle for you....
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Light Kit for Bike Rack & Cargo Carrier
There is definitely a light kit you can use with the Hollywood Racks Sport Rider SE2 Platform Bike Rack w/ Cargo Carrier HR1450Z-85 on your 2016 Chevy Equinox. I recommend the Lets Go Aero LED Light Kit # H01540 because it comes with easy to use surface mounting brackets and has a 72" wiring harness, which will be enough for you to plug into the Curt Wiring Harness # C56210 that you mentioned you have on your '16 Equinox.
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Correct Trailer Wiring Harness and Other Parts Needed to Tow a Trailer with a 2015 GMC Terrain
Both the Curt # C56210 and the Tekonsha # 118264 fit your 2015 GMC Terrain as long as you have the tow package. The connectors are designed with a slightly different clip but they both work the same and mate with the same connector. Since you've already found the connector behind the driver's side trim panel in the rear cargo area your Terrain has the tow package. The other parts you'll need to tow with your GMC, if you don't already have them, are a trailer hitch receiver, ball mount,...
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Can a 2017 GMC Terrain Tow a Trailer With Electric Braes
Yes, it is possible to tow a trailer with electric brakes using a 2017 GMC Terrain. In order to do this you'll need to start with the trailer connector, the Curt T-Connector Vehicle Wiring Harness part # 56094 for models without the factory tow package or part # C56210 if you do is what I recommend. Then, this can be converted to a 7-way with the 7-Way RV Upgrade Kit part # ETBC7L which will then work perfectly with a wireless brake controller like the Curt Echo Wireless Trailer Brake Controller...
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Options for Storing a 4-Way Flat Connector on a 2014 GMC Terrain SLT
If your 2014 GMC Terrain SLT has the factory tow package and you have found the connector that a wiring harness like the Curt # C56210 plugs into, then you have a few options on how to route it outside to power your trailer lights. The easiest way is to simply keep it stored inside under the removeable floor and then it out the back hatch to your trailer when you need to use it. As long as you keep it to the left or right of the middle latch (see attached picture) then the door will not...
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Replacement Hitch Installation Hardware for etrailer Trailer Hitch # e98865
Hitch installation hardware is intended for a single use, so you are wise to obtain new hardware for installing your etrailer Trailer Hitch # e98865 in your 2014 GMC Terrain. All you need to do is enter the part number # RHK into the search box on our site, then enter your hitch number e98865 and we will prepare you a complete hardware kit. I have linked an installation video for this hitch in a 2014 Terrain as well as two articles that will provide useful tips for hitch installation. If...
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Expert Research:

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