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  1. Custom Fit Vehicle Wiring
  2. Ram
  3. 3500
  4. 2010
  5. CURT
FITS 2010 Ram 3500
Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

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

Item # C55384
Retail:$45.95
Our Price: $35.82
You Save: 22%
Custom Fit Vehicle Wiring
Confirmed to Fit
2010 Ram 3500

with factory 7-Way

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Call etrailer.com at 1-800-940-8924 for expert service. We are your Ram custom fit vehicle wiring experts, and offer a great price. etrailer.com carries a complete line of CURT products for your Ram 3500 2010. Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector part C55384 from CURT can be ordered online at etrailer.com. Complete custom fit vehicle wiring installation instructions and technical support.
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2010 Ram 3500 - Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

  • Trailer Hitch Wiring
  • 4 Flat
  • Custom Fit
  • No Converter
  • CURT

Quickly and easily install a 4-way trailer connector on your Ram 3500 with this custom harness. T-connector plugs directly into 7-way OEM tow package wiring harness - no cutting, splicing or tapping required.


Features:

  • Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights
    • Designed for use with a factory tow package that has a 7-way connector
    • Retains 7-way connector functionality
  • Connects quickly and easily - no cutting or splicing of wires
    • Locate connection points behind rear bumper
    • Plug in T-connector
  • Comes with dust cap for 4-way flat connector
  • Limited 1-year warranty


Installation

This custom-fit T-connector plugs into your vehicle's factory tow package wiring harness, which is located behind the rear bumper. Simply plug the harness in-line with your existing 7-way wiring harness.


Once installation is complete, the 4-way connector will be stowed beneath your vehicle, near the trailer hitch. A mounting bracket (sold separately) is recommended to keep the connector secure.


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.



55384 CURT T-Connector - OE 4-Flat Upgrade

Installation Details C55384 Installation instructions

California residents: click here


Customer Satisfaction Score:


Customer Reviews

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector - C55384

Average Customer Rating:  4.8 out of 5 stars   (629 Customer Reviews)

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into 7-way OEM tow package wiring harness - no cutting, splicing or tapping required.

by:

Quick & easy trailer wiring harness replacement . took less than 15 minutes

Vincent C.

3/22/2024

1 year &amp still works great, very easy plug &amp play setup. I recommend putting a small amount of white lithium grease on those connecting, helps protest against rusting.



by:
2005 Chevrolet Silverado

Installation was very easy and only took about 15 minutes to hook up and secure wiring on truck.



by:
2005 Ram 2500

Top quality trailer hitch at a very reasonable price!
Chevy 2500 HD 2005 Duramax



by:

This product was exactly what was portrayed on line. Wiring harness was very simple to install and works extremely well.



by:

Yup. Still works after a year in operation. The only thing I am unhappy with is my vehicle thinks there is always a trailer connected and the backup sensors and side sensors are automatically disabled.



by:

Works well easy plug and play



by:

When I finally installed it about 3 months ago, the plug in connectors did not match what I had on my truck. I ended up just cutting them off and splicing them into the connector from my truck



by:
2017 Jeep Grand Cherokee

Easy plug and play simple installation.



by:
2014 Chevrolet Silverado

Exactly as described. Fit perfectly into my 2014 Silverado bumper outlet.



by:
2018 Dodge Ram Pickup

I installed my Curt T-Connector today to my 2018 RAM 1500 Sport 4x4 Crew Cab. The mileage on the truck is at 10679km's. Although warned that the spare tire might require removal (via web site info from fellow RAM owners) that was not the case as there was enough room to remove the OEM connector (which is the short end of the assembly) from the factory housing. The actual disconnect and re-connect took only a couple minutes. I spent a about 15 or 20min's trying different wiring run routings for the aux. four connector plug wiring run. Some tie-wraps where installed to snug things up out of the way and I was done. I also dosed the connections with a shot of Krown 77 lube/rust inhibitor. I'm in the "Great White North" so salt use on roads is a given during the winter months. A quick test run of the lights and I was done. The build quality of the T-Connector is very good..equal to OEM or better I'd say.



by:

No issues thank you



by:
2001 Chevrolet Silverado

Unfortunately, the product ordered did not fit my application and I will be returning!

Etrailer Expert

Jenny N.

7/26/2023

I wanted to ask if your 2001 Chevy Silverado came with the tow package? Did you already have a factory seven way? If not, the part # C59236 would be the better fit.



by:

Fast delivery, and easy to find products. Second trailer hitch I bought from e-trailer. Great products



by:

Easy to install



by:

Awesome!! I bought an OPT7 triple LED light bar for my Chevy Colorado and I didn’t want to splice wires or lose a whole lot of time trying to figure out how to wire it up so I googled and I came across a gentleman who used this product and Im very thankful for this connection and my light bar works smoothly and I have full use of the reverse camera AND I don’t have any wire mess outside or underneath my truck! Easy to install, my first time doing this and it literally took me about 2 minutes, if that! Definitely would recommend this product to anyone with a truck!! Thank you guys!!



by:

Perfect fit



by:

Was exactly as stated in description. Just unplugged old plug and plugged in new one. I had two plugs to replace and added an extra "T" plug for another 4 prong. It only took less than 15 minutes to install all 3. Customer service is wonderful. Everything I have bought from ETrailer is top notch and delivered on time or earlier.

Virgil

6/7/2023

Working GREAT. Easy to install



by:
2013 Jeep Grand Cherokee

Order class iii hitch and wiring harness for my 13 keep grand Cherokee . Came next day. Installed in 20 minutes. Great product. High quality and easy install

Product was shrink wrapped, taped and boxed ver professionally. Website also very easy to use

Would definitely recommend to anyone



by:

This is a great vehicle to trailer wiring harness just plug it in and you're ready to go and that's all they are to it plug and go and I recommend it.



by:
2013 Chevrolet Avalanche

Easy to install works great shipping and communications was fantastic. Now my USMC LED light hitch cover is on the truck without an adapter.



by:

Perfect fit. Took 20 minutes to install wire harness and hitch receiver.



by:
2003 GMC Yukon

Perfect fit!



by:
2019 Ford Ranger

Easy instructions, installation was a breeze. Very important to torque bolts down to spec. Also will need to have dealer “flash” vehicle to activate trailer lights. 5 stars



by:
2011 Chevrolet Silverado

Took less then 5 min to install, solved the hassle of going to a brand name shop and paying 5 to 6 times to have them install. Plan on towing a utility trailer my wife and I do a lot of antique shopping. Will tell all my friends, great product



by:

This T-Connector is working great. Installation was simple. It was truly plug n play.
I used it to connect a LED light bar on back of truck; allowed me to install the light without using the existing trailer connector, so it is still available.

Rod A.

12/31/2022

Its been a year since I installed the T-Connector. And it is still working like brand new no issues with this connector. Provides a great convenience not having the share the OEM trailer slot.


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629
Show More Reviews

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

  • Adding a Second 4-Way Connector for Truck Cap Lights
    What I recommend doing is adding a second socket but by using the Curt T-Connector Vehicle Wiring Harness # C55384 instead of a hardwire option. This will tee in behind your 4-Way/7-Way so all of the functions will pass through but then you'll have a second 4-Way that is dedicated for your truck cap.
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  • Trailer Wiring Harness That Plugs Into 2023 Chevy Colorado
    While we do not have any trailer hitches for your 2023 Chevy Colorado, there are trailer wiring harnesses that plug right in. I'm not sure if you were asking for a 4-way flat or you have a 4-way and want to upgrade to a 7-way so I'll cover both bases and give you options for each. Also, the 7-way also has a 4-way connected to it so you can tow a trailer with either a 7-way or 4-way: - 7-Way: Curt T-Connector Vehicle Wiring Harness - 7-Way and 4-Pole Flat Connectors # C55774 - 4-Way: Curt...
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  • Does Curt 4-Pole Wiring Harness # C55384 Have Locking Tabs on the Round U.S. Car Connectors
    The round U.S. Car connectors used on the Curt harness # C55384 you referenced do have locking tabs to keep the joined parts secured. On this particular harness those locking tabs are grey and can be seen in the brief video I have created for you in which I demonstrate how to release them. These do need to be depressed in order for the connector halves to separate.
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  • Additional Trailer Connector To Allow Use Of 7-Way and 4-Way Connectors On a 2020 Ford F-350
    As the Factory Connector # HM40975 on your 2020 Ford F-350 prevents you from opening both the connector ports at the same time I recommend adding the Curt T-Connector # C55384 that will plug in line of your current connector. This will give you an additional 4-way flat connector that you can use to plug in both your slide in truck camper and trailer at the same time. You can also opt for the Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness # 41157 that will give you an additional...
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  • Does the 4-way on a 2013 Ram 1500 Have Separate or Combined Taillight Wiring
    Since you already have a 4-way and a 7-way the Curt Wiring Connector part # C55384 that you referenced would only provide you with an additional 4-way on your 2013 Ram 1500. The 4-way on your vehicle should already have the tail light circuits combined. I would recommend you test the circuits of the 4-way you have with a circuit tester like our part # PTW2993 to verify the circuit configuration. It should already have combined circuits. If for some bizarre reason the 4-way has a different...
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  • Adding a Clean-Looking 4-Pole to the Factory 7-way on a 2012 Chevrolet Silverado
    I called Curt to confirm, and the T-Connector, part # C55774 will not fit in the factory hole in your 2012 Chevrolet Silverado's bumper. If you're looking to replace the factory 7-way plug, then the Pollak Replacement 7-Pole, part # PK11893, will fit in the factory hole. I've linked to a video review of this socket for you to look at. If you're looking to add a 4-pole to your factory towing package and still keep a relatively clean, factory look, I recommend a different T-Connector from...
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  • Recommended 7-Way Trailer Connector for 2014 Ford F150 STX
    Under the rear of your truck, near the back bumper, you should find the factory trailer wiring harness. It will probably be located on the driver's side frame rail, just behind the rear tire. The harness will terminate in a round plug that would plug directly into the trailer connector I'd recommend, which is the Hopkins # HM40975. This connector provides both a 7-way and a 4-pole. The round plug you find under the vehicle will have a protective cap on the end of it to keep out road crud...
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  • Vehicle Wiring Harness For Headache Rack With Tail Lights On a 2021 Ford F-350
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    If you do not have a factory trailer connector on your 2003 Ford Ranger you need the T-One Vehicle Wiring Harness # 118344. This will plug in behind your tail lights, providing you with a 4-way to power the lights on your boat trailer. If you do have a factory trailer connector you need the # C55384 instead.
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  • Trailer Light Fuse Location on a 2005 Chevy SSR
    I checked an online copy of the owners manual for a 2005 Chevy SSR and found only one reference to a trailer lights fuse. It is the fuse in spot 42 in the floor console fuse block and it is called the trailer parking lamp fuse. You can confirm this with your owners manual.
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  • High Capacity Trailer Hitch Recommendation for 2004 GMC Sierra 2500HD to Replace Factory Hitch
    For your 2004 GMC Sierra 2500HD we have the Draw Tite part # 41944 which is a Class V confirmed as a fit for your truck once you remove the factory hitch. This will also work with your front Torklift tie down # TLC2205 but you'll need to go with a new rear tie down part # TLC3205. For a 4-way you can install inline with your 7-way we have the part # C55384 which will work great. This 4-way is 36 inches long so you would probably not need an extension.
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    It looks like you have already tried installing a wiring harness like the Curt # C56172. The fact that it is not fitting could mean a few things. Firstly, the factory connector should not be hanging empty. It would be plugged in to the other end and you would have to unplug the factory connector to add in the T-harness. So it is possible you are trying to connect to the wrong plug. I have linked our install video below. If you fast forward to about the 1:20 mark you can see the factory...
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