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  1. Tow Bar Wiring
  2. Jeep
  3. Wrangler
  4. 2012
  5. Hopkins
FITS 2012 Jeep Wrangler
Hopkins Custom Tail Light Wiring Kit for Towed Vehicles

Hopkins Custom Tail Light Wiring Kit for Towed Vehicles

Item # HM56200
Our Price: $67.05
You Save: 38%
Tow Bar Wiring
Confirmed to Fit
2012 Jeep Wrangler

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Shipping Weight: 1.47 lbs
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Hopkins Custom Tail Light Wiring Kit for Towed Vehicles Wiring Harness HM56200
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The best technical support and full tow bar wiring installation instructions. Great price Wrangler tow bar wiring and expert service. Jeep Wrangler, 2012 tow bar wiring by Hopkins are available from For expert service call 1-800-940-8924 to order your Hopkins Custom Tail Light Wiring Kit for Towed Vehicles part number HM56200, or order online at
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2012 Jeep Wrangler - Hopkins Custom Tail Light Wiring Kit for Towed Vehicles

  • Wiring Harness
  • Plugs into Vehicle Wiring
  • Custom
  • Tail Light Mount
  • Hopkins

Wire your Jeep Wrangler and get the signal lights required for flat towing without having to splice into your wiring with this custom, plug-in harness. Integrated diodes prevent feedback from RV for safe operation.


  • Lets you wire your vehicle to accept your RV's tail, brake, and turn signal lights for flat towing
    • Provides 4-way flat plug at front of towed car to connect to motor home
  • Plugs in quickly and easily - no cutting or splicing of wires
    • Connection points are located behind your vehicle's tail lights
  • Prevents electrical feedback to safeguard towed car's electrical system
    • Weatherproof box keeps built-in diodes protected
  • Won't interfere with electrical system when towed car is not hooked up to RV
  • Custom designed for your vehicle
  • Includes wiring harness, mounting bracket, and installation hardware
    • Extension loop for connecting towed car to RV is sold separately
    • Brake light relay (RM-88400 - sold separately) may be required if used with supplemental braking system
  • 90-Day warranty

Wiring Your Towed Car with Hopkins

Wiring your car for flat towing has never been easier. No more testing wires or splicing into your electrical system. No need to painstakingly position multiple diodes beneath your vehicle. No worries about voiding your warranty. With this custom-fit towed vehicle wiring kit from Hopkins, all you have to do is plug the harness into your vehicle's existing wiring, which is located behind your car's tail light assemblies. No cutting, tapping, or splicing is required.

After plugging in the wiring harness, use the included bracket to mount the 4-way flat connector at the front of your towed car. An extension loop (sold separately) is required to connect your towed car to your RV.

Do You Need a Brake Light Relay?

Because your vehicle has a combined lighting system - wherein the brake signals and the turn signals are carried on a single wire - a brake light relay (RM-88400 - sold separately) may be required if you use a supplemental braking system with your towing setup. A supplemental braking system depresses the brake pedal in your towed car every time you apply the brakes in your RV. So, if your towed car's brake lights illuminate when the brake pedal is pressed and the engine is off - as is the case when towing - then you need to install a relay to ensure that the lights on your towed car always act in accordance with the signals sent by your RV via the wiring harness. Without a relay, the brake signal from your towed car will override the turn signal sent by your RV when you slow down to make turns, creating a potential hazard.

11156200 Hopkins Plug-In Simple Dinghy Towing Harness

Replaces 56200

Installation Details HM56200 Installation instructions

California residents: click here

Customer Satisfaction Score:

Customer Reviews

Hopkins Custom Tail Light Wiring Kit for Towed Vehicles - HM56200

Average Customer Rating:  4.8 out of 5 stars   (364 Customer Reviews)

Wire your vehicle and get the signal lights required for flat towing without having to splice into your wiring with this custom, plug-in harness. Integrated diodes prevent feedback from RV for safe operation.


Super easy to install once you figure out how to fish the connectors up through the body to the taillights. See YouTube if not sure. I really like that this did not require cutting into my wiring harness. High quality connectors snap into place maintain watertight integrity of the wiring harness. I did go buy plastic armoring for the wires that run the length of the frame, also lots of cable ties.


Towed vehIcle lights did not work until an additional ground wire was installed between the two vehicles. It would have been simpler to have had the ground wire in the entire length of the harness.


All parts arrived and installed fast and easy. You rock etrailer!


Basic plug and play technology. Video instructions on the etrailer website are the best. Everything went according what was on the video. The most difficult part was feeding the wire through the frame from the rear to the front. Using wire loom certainly helped make it easier.


Simple installation and excellent quality product! I installed this harness on my 2018 Jeep Wrangler. After one year it is still performing flawlessly. Don’t do like I did on my first tow vehicle and pay someone hundreds to thousands of dollars to do something so easy. Thank you etrailer and Hopkins for easy to follow instructions and videos!

Still working like the day I bought it! Great product!
Collins - 12/01/2020

2014 JeepWrangler

Had no problems with any of it. However, I have not installed wiring harness yet.


Kit was perfect, good instructions and looks of good quality.


Install went very well. Just returned from a 4000 mile trip towing a Jeep Wrangler with this installed and had zero issues.

2015 Jeep Wrangler Unlimited

This harness works great for flat towing a Jeep Wrangler. The installation was straight forward and easy. It's nice to not have to run magnetic lights from the rear of the Wrangler to the tow vehicle anymore. Now, I just plug in to the adapter on the front aftermarket bumper.

2011 Jeep Wrangler Unlimited

Super-Simple ... plug & play solution to my towable needs!!!


The kit was a breeze to install and everything fit just like it stated on the instructions. It's as easy as just plug in and go with my 2017 Jeep Wrangler JKU behind my RV. I would highly recommend this product to anyone especially any Jeep owner. etrailer really did their homework on engineering this product for my type of vehicle which made the installation so simple.


etrailer is special. They have all the information you need to have about the products you are looking for. I am a first time RV owner and was looking for a way to flat tow my Jeep Wrangler. etrailer made it so easy for me to understand what I should be doing and the best and safest way to accomplish it. But that was not all. I was having issues trying to find shipping options as I had a time crunch. I phoned them, customer service was awesome. They helped me place the order and get it to my home within my time requirements. I honestly recommend them and can only wish that other companies could treat customers the way they do here. Awesome! The videos on the product pages are the best!


Easy install. I did swap out the 4 pin head for a round six pin and everything seems to work well.


“Plug & Play” everything worked perfectly…and as advertised!


It worked and the plugs fit perfectly on my 2008 Jeep Wrangler.


Exactly what I needed to wire my tow ve hicle.


2013 Jeep Wrangler. Perfect fit. Wires are long enough. No surprises. Recommend a can of foam to seal back light wells.

Still going strong!
Michael - 03/31/2022

2017 JeepWrangler

Great product easy install. I found out on passenger side it was easier to drill with hole saw to pass wire trough cover .then made gromit out of rubber chiar/table cap .Sliced up side and noched for wires snapped right in. Product works great I would recommend .

2007 JeepWrangler

No installation as of now, having back problems. Quick shipment and like the Pricing, Love these guys videos on the products.


installs in less than an hour perfect for no having a plug on the exterior full time. Mounted the plug bracket under the hood and bought 2 36" extensions and use this to feed my lights from the tow vehicle trailer light plug.

2018 Jeep JK Wrangler

Shipped very quickly, good product! Works as expected.


This was very easy to install on my Wrangler Unlimited and ties in very well with the existing lights. I do recommend purchasing the RoadMaster Relay kit.




Extreamly well made and to istall.


came quickly. Works correclty

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