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FITS 1999 Hyundai Tiburon
Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

Item # C59236
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1999 Hyundai Tiburon

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C59236 - Plug and Lead Curt Wiring
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Curt wiring for your 1999 Hyundai Tiburon are available from etrailer.com. Installation instructions and reviews for your Hyundai wiring. Expert service, and cheapest wiring price guarantee. etrailer.com carries a complete line of Curt products. Order your Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector part number C59236 online at etrailer.com or call 800-298-8924 for expert service.
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1999 Hyundai Tiburon - Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

  • Trailer Connectors
  • Vehicle End Connector
  • 4 Flat
  • Plug and Lead
  • Curt

Install a 4-way flat on your Cadillac Escalade with this splice-in harness. Powered converter connects directly to battery to reduce strain on wiring. Potted, SMT construction boosts water and vibration resistance. Works with 2-wire, 3-wire, and PWM systems.


  • Provides a 4-way flat trailer connector at the back of your Hyundai Tiburon to power your trailer's signal lights
    • Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately)
  • Ensures that your Hyundai Tiburon's wiring matches that of your trailer
    • Works with 2-wire, 3-wire and pulse-width modulation (PWM) systems
  • Connects directly to your battery to avoid overloading your 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
  • Resists water and vibration thanks to potted enclosure
  • Connects directly to your Hyundai Tiburon's wiring with the included quick-splice connectors
    • Color-coded wires and wiring guide ease installation
  • Comes with dust cap for 4-way flat connector


  • Maximum amperage:
    • Stop/turn lights: 5 amps per circuit
    • Tail lights: 7.5 amps per circuit
  • Limited 1-year warranty


To determine where to splice into your Hyundai Tiburon's tail light wiring, you will need to consult the included instructions. Use the quick-splice connectors to attach the input wires of the tail light converter to the corresponding wires from your Hyundai Tiburon. Once you've spliced in the converter, connect the included hot lead to the black wire and run it 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.

Then locate a flat surface inside your Hyundai Tiburon near the tail lights and adhere the black converter box using the provided double-sided tape. Find a raw metal surface to use as a ground point and secure the white ground wire using the provided ring terminal and screw. Finally, secure the converter wires to your Hyundai Tiburon using the included cable ties.

It is recommended that you use a small amount of grease on the 4-pole connector to help prevent corrosion.

Powered Tail Light Converter with Surface-Mount Technology

Because most trailers run on a 2-wire system - wherein the brake and turn signals are carried on 1 wire - the signals from your Hyundai Tiburon may have to be converted to be compatible with your trailer's wiring. If your Hyundai Tiburon operates on a 3-wire system, which means that it has separate brake and turn signals, then those signals will need to be combined so that they run on 1 wire to properly activate your trailer's tail lights. This converter will also ensure that your trailer's lights illuminate fully, even if your Hyundai Tiburon has pulse-width modulation (PWM) wiring. Note: This will not affect how the tail lights on your Hyundai Tiburon operate.

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.

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.

Curt SMT Circuit Boards

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.

59236 Curt Powered Tail Light Converter for 2-Wire, 3-Wire or PWM Systems - 4-Way Flat Harness

Replaces 59200

Installation Details C59236 Installation instructions

California residents: click here

Video of Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Curt Wiring - Trailer Connectors - C59236 Review

Today we're going to be taking a look at part number C59236. This is the Curt Powered Taillight Converter with a four-pole flat trailer connector here on this end right here. This is going to provide the connector at the back of your vehicle. That's going to help power your trailer signal lights. The connector is compatible with five-pole, six-pole, and seven pole adapters. Those items are sold separately.

We do carry those if you need one. This unit's going to ensure that your vehicle's wiring matches that of your trailer's. It's going to work with two-wire, three-wire and pulse-width modulation systems. It's designed to connect directly to your battery to avoid overloading the vehicle's electrical system through all the wiring. Everything that you need for your full installation is going to be included with this kit. The box back here, it's going to be constructed using surface-mount technology for consistent, reliable performance.

What that means is, it's going to maximize the trailer light yield and intensity while producing minimal heat. It's also going to ensure superior operation even in rough-road conditions. The unit's designed to resist water and vibration, thanks to the specially designed enclosure. Again, it's going to connect directly to your vehicle's wiring, or to the vehicle's battery through the wiring, and it's going to connect to the vehicle's wiring with the included quick-splice connectors. That's going to be these blue pieces right here.

You'll just lay the wires in there and splice them together. It's a nice design, pretty simple installation. It's going to come with some really nice detailed instructions. These are going to walk you through the installation process step by step. They have the nice little diagram down there that's going to assure you that you're connecting everything correctly. As long as you go by the instructions, again, it's step by step, you should be ready to go. It's going to include your fuse holder.

You're going to get the fuse, some self-tapping screws, all the necessary connectors, quick-splice connectors. You're going to get some double-sided adhesive tape to secure the box to a nice clean surface. You're going to get some zip ties to tidy up the wires. Makes for an overall neater appearance and it keeps the wires safe. It's going to come with a dust cap here for the four-way flat connector. It's a color-coded installation, so the color-coded wires and the wiring guide are going to help ease the installation process. When it comes to the maximum amperage for the stop and turn lights, we're looking at five amps per circuit. For the taillights, we're looking at seven point five amps per circuit. To determine the best place to splice into your vehicle's taillight wiring, you need to consult the included instructions. It's going to have all the details that you need to know. Then you would use the quick-splice connectors to attach the input wires of the taillight converter to the corresponding wires from the vehicle. Once you splice in the converter, then you have to connect the included hot lead. The hot lead's going to be the black wire right here. It's going to connect to the bundle black wire. This is going to run to the vehicle's battery. You're going to connect these with a butt connector. Other end of the black wire gets a butt connector attached to it and connects to one end of the fuse holder. Other end of the fuse holder gets a ring terminal attached to it, and that connects to the positive post on the vehicle battery. Again, it's going to come with the included fuse so you can put that in the fuse holder. Then you're going to need to locate a flat surface inside your vehicle near the taillights. Put the double-sided adhesive tape over the back of the box here. Just stick it to the side there for a nice secure hold. It's going to keep it up and out of the way in a nice safe area. Then you're going to need to find a raw metal surface. It's going to be your white wire with the ring terminal right here. You're going to need to find a raw metal surface to use as a grounding point and secure the white wire with the ring terminal, using one of the included self-tapping screws. Then you can secure the converter wires to your vehicle using the included cable ties. We're also going to recommend that you use a small amount of dielectric grease on the four-pole connector to help prevent any type of corrosion from being able to settle in. Again, it does come with that dust cap so yu can protect the connection points when it's not being used. That's going to do it for our review of part number C59236. This is the Curt Powered Taillight Converter with a four-pole flat trailer connector.

Customer Reviews

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector - C59236

Average Customer Rating:  4.7 out of 5 stars   (227 Customer Reviews)

Install a 4-way flat on your vehicle with this splice-in harness. Powered converter connects directly to battery to reduce strain on wiring. Potted, SMT construction boosts water and vibration resistance. Works with 2-wire, 3-wire, and PWM systems.

- C59236
2010 Volkswagen Golf

Fit as a glove on my 2010 VW Golf. Corresponding wiring harness was a bit more challenging but worked as a charm. Very happy! etrailer.com knows what they are selling, Trust them! 416882

- C59236

Easy to Install. Looks like OEM. 563366

- C59236
1985 Toyota Land Cruiser

I used this on my 85 Toyota landcruiser. I had bought another brand at the local farm store and I finally gave up trying to get my lights working correctly. I’ve always had good luck with etrailer products, so I ordered this and ripped out the other box and wiring . Curt’s directions were great and this one was superior in every way to the other one. I now have perfectly working trailer lights. Thanks for a great product. I should have gone with this first and saved money and a lot of frustration. 539661

- C59236
2011 BMW X3

Easy to follow instructions. 417171

All is well. Don’t use it that often but when I needed it they’ve been there. I’ll use etrailer from now on.
B K - 08/10/2018


- C59236

Arrived quickly and worked well. Instructions seemed a little vague to me but I figured it out. Email question was answered promptly. 555454

Works well.
David K - 08/28/2019


- C59236
2015 Mitsubishi Outlander Sport

Installation took a little bit of time but works great 544507

- C59236

This is the best place online to get top quality and lowest price! I'm so happy with all my purchases and recommend etrailer to everyone who's looking for trailer accessories. I've been ordering from them for 5 years and I'm always impressed with the level of quality that arrives in the mail. 5 stars!!!! 648023

- C59236
2016 Mazda CX-9

The Curt Powered Tail Light Converter (w/ 4-Pole Flat Trailer Connector) is a critical component to a trailer hitch, and unfortunately the most finicky/tricky part of the installation for a DIY self-installer. However, after research and plenty of viewings of installation videos (including the one on eTrailer.com) it came together successfully. This product worked quite well. Most installations recommend running the main-power wire along the undercarriage to connect to the battery. However, in my installation on our 2016 Mazda CX9, upon inspection I found that route to be far too difficult (requiring the removal of a number of undercarriage/skid plastic panels, plus getting into the engine compartment was to be a huge challenge) - instead I found the easier/better option (which I used) was to stay inside the passenger compartment and run the wire along the floor behind door panels. It worked out quite well, and then access past the fire-wall into the engine compartment was accomplished using the same access-hole/rubber-boot that the factory used to bring all the OEM wiring in. All in all - the installation was successful this Curt wiring harness was well designed and we saved a significant amount of money by installing it ourselves. Thanks! 447338

- C59236
2007 Cadillac SRX

I have not finished installing this wiring yet. I don’t know how it’s supposed to wire up and will have to get professional help. It’s too much. Should have been color coated the same way as the wires in the car. 538844

The wiring harness you purchased isnt a vehicle-specific item, it would fit many different vehicles so therefore it wouldnt be possible to color code the wires as different vehicles use different wire colors. I do have a video showing a different wiring harness being installed on your vehicle. Simply use the provided link to view the video.The install procedure on your vehicle should be identical.
-- Mike L - 07/09/2018


- C59236
2014 Mercedes-Benz GLK-Class

Great product and excellent instructions. The YouTube installation video was perfectly done and showed clearly every step. All of the parts supplied (with the exception of the continuity tester which was omitted) fit perfectly. The step by step power supply wiring was very helpful as it removed any doubt what was the best path to chase the wire to the battery. 508506

Absolutely love it! With spring and the planting season upon us I use the trailer every week and the wiring harness has performed perfectly.
Paul - 05/14/2019


- C59236
2006 BMW 5 Series

The instructions for their universal wiring harness are very simple and easy to read, but finding the color diagram for the tail-lights on BMW 5-Series to match it up to took several hours. And I'm glad I did, otherwise I was about to really mess it up. (I was about to match color to same color, when my wife called in for dinner. Considering the BMW color schematic i would have ended up butchering those wires before I ever got it right.) 499246

The Curt wiring harness isnt a vehicle specific item that should be wired by function, not by color. Its recommended that a circuit tester like # 40376
Circuit Tester Kit
be used to verify the function of each wire in the vehicles taillight wiring harness.
-- Mike L - 04/23/2018


- C59236
2006 BMW X5

We have an '06 BMW X5 (E53). Watching the BMW installation video on your site made installation easy and quick! My only regret, not purchasing the Curt LED 4-Way Flat Connector (Vehicle End) Tester. 429720

- C59236
2004 Mercedes-Benz Sprinter

I installed it on a 2004 Sprinter van. Took some time but was not difficult. Both the wire to go to the right side and the one to go to the battery were short. But I was able to splice the right blinker in to the bundle that ran over there and knew the power wire to the front would be too short from other reviews. So far works great and I would buy again. I have installed a few hitches and wire hook ups that I have gotten from Etrailer.com Always have worked fine. 546840

- C59236

Not a easy install two of us spent about a hour product does work very good 484809

Robert - 03/14/2019


- C59236

2009 bmw 528i. you almost can't see the trailer hitch below the bumper. I've NEVER seen a Beemer pulling a trailer............. Electrical hookup was just as the instructions said. BMW has the battery in the right side of the trunk so power hookup was easy. I put the pig-tail down in the spare tire well when not in use. Feel free to use whatever pics you see fit. Great product and install videos. 488584

- C59236
2016 Volkswagen Golf

The harness works well, and took a coupe of hours (and attempts) to install on my Golf R. It took over an hour to run the power wire to the battery through the interior/firewall. The rest of the basic install was a breeze. It was a bit more problematic for me, as I had installed the Euro tail lights (which have separate turn signals). The kit i bought could handle the 5-4 conversion, but I ran into a problem. Even though the car was re-coded for the lights and supplying 5 V to the running lights, both kits I tried would not trigger running lights on the 4-wire output. On the advice of a tech (thank you!), he mentioned that he had seen one other instance where it worked to use the license plate light as a source for the running light input. That worked perfectly, and ended up being a grey wire in the passenger side rear bundle. A little extra wire (and another TIGHT splice, and all was good. Thanks, again for all of your help! Your team really went above and beyond helping someone with a non-factory install. 543835

- C59236
2013 Audi Q5

Pretty straight forward install on a 2013 Audi Q5 S-Line. There is an ground lug on the rear inside panel right next to a convenient spot to mount the unit. I removed the silver panel along the tailgate sill to route the power wire and the trailer plug tail before I started. It clips off easily, and you can reach between the side panel and the battery compartment with your fingers. There's a small electrical connector on the panel, so be careful to disconnect it before yanking on it. Make sure you replace this panel as soon as you have routed the wires, as that electrical connector is to two micro switches that detect if the door is closed... there is no power to the rear lights while the tailgate is up, so this panel needs to be in place before you start wiring. Correct wires were easy to locate. The 2013 Q5 is a little different to the wiring types listed in the instructions, as while the brake runs off the turn signals, there is a separate tail light wire. If you are probing for the wires, close the tailgate, and climb in through the rear passenger door. Here are the correct splices off the tan connector... Tail Light (Brown) - splice to Black with Green trace Left Signal (Yellow) - splice to Gray with Black Trace Right Signal (Green) - splice to Gray with Blue trace Red and White both Grounded together. The only issue I had was that the blue splice connectors supplied are too big for the fine wires on the Audi, so when I tested the install, I had nothing working. I replaced the blue connectors with the smaller red ones, and all worked perfectly then. Start to finish, about 90 minutes. 232589

- C59236
2008 Saab 9-5

After reviewing the instruction sheet and understanding that I needed to run a power wire from the unit to the battery. I decided to let my Saab mechanic to do the installation. I figured that the time it would take me to route the power wire to the battery would take hours and that my Saab mechanic could do this within an hour because he knows that car better. 518074

- C59236
2018 Volkswagen Tiguan

The installation instructions are straight forward. Installing on my 2018 Tiguan was a bit of a pain in the butt as VW gives you little to no slack on the tail light harness to work with. Literally maybe 2 inches of slack if that! Also you have to run the 12V battery wire under the vehicle as there is nowhere to get thru the firewall so running the wire inside the vehicle is not possible. There was however plenty of wire supplied for the 12V supply to get the install completed. Also the Tiguan has a windage tray the length of the vehicle so as long as you secure the wire away from any moving parts its well protected. My only complaint with the product, (And this is nit picking a little), was the green wire that supports the right taillight, Blinker/stop light was a bit short. It would have been nice to have maybe 4 more inches to work with. As it was, I had no slack on the Tiguan harness and this just made it more of a pain in the butt to install. There was enough wire to get from the left side of the vehicle to the right side but just enough and a little more slack would have made it easier. My install difficulties with the Tiguan is no fault of the product but other then the green wire being a little short the product works as advertised. Again installation is straight forward and difficulties running the wire thru the vehicle is no fault of the product! I gave it 5 stars as it does work well. 444853

After a year the harness is still working well.
Tim H - 10/23/2018


- C59236

Easy to install! Follow directions carefully to fully understand your cars circuits. Trailer always does well! 803926

- C59236

Easy painless install, works great, most importantly e trailer customer support is outstanding 803043

- C59236
2009 BMW X3

Fast overnight shipping was a success! They were super easy to hook up and work great! 802716

- C59236

Easy, straight forward install! 802441

- C59236
2019 Ram ProMaster 1500

Fast shipping, good support, great price. Recommend and will use again. 801665

- C59236

Went together easily 801609

Show More Reviews

Ask the Experts about this Curt Wiring

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    You can use Curt trailer wiring harness # C59236 on your 2015 Volkswagen GTI. Additional wiring for the power wire on the converter is included but you will need a circuit tester such as # 40376 to test the vehicle wiring to make the proper connections.
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  • Wiring Harness for 2011 BMW 5 Series to Power Trailer Lights
    For your 2011 BMW 5 Series, you will need the Curt Powered Tail Light Converter # C59236 in order to power your trailer's rear lights. This is a hardwire kit that is confirmed to work with your vehicle that will connect directly to your battery to avoid overloading its sensitive electrical system. I have included the instruction manual for your review. If you do not want to splice into your vehicle's wiring system, the Tekonsha ZCI Circuit Protected Vehicle Wiring Harness, part # 119250KIT...
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  • Trailer Wiring Harness Troubleshooting for 2017 Chevy Bolt EV
    I attached a picture that shows a wiring diagram for the Curt trailer wiring harness part # C59236. I also attached the install instructions below that detail how to install it on varying styles of vehicles. Based on what you are describing it sounds like you may have picked the wrong circuits for wiring the harness to your vehicle. One of the circuits you may be mistakenly using is for interior lights that come on when a door is open.
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  • Trailer Wiring Harness And Trailer Hitch For 2015 Volkswagen Golf SportWagen
    The trailer wiring harness we offer for your 2015 Volkswagen Golf SportWagen is the Curt Harness, part # C59236. This harness is a hardwire installation so I have attached a drawing that shows how it should be installed. This harness will work with trailer that have either LED or incandescent lights. The Curt Trailer Hitch, part # C11422 is confirmed as a fit for your SportWagen. This is a Class l hitch and it has a 1-1/4 inch receiver opening. If you plan on doing some light...
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  • Trailer Wiring Recommendation for 2017 Hyundai Santa Fe
    For your 2017 Hyundai Santa Fe if you didn't have the factory tow package you would need a universal install trailer wiring harness like part # C59236. If you did have the tow package the correct harness fit you would need is the # 118269 which I attached an install video for.
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  • Can 12V Accessory Power Outlet Be Used to Install Powered Trailer Wiring Harness
    A 12-volt accessory power outlet such as that on your 2015 Volkswagen Golf is not suitable for installing a trailer wiring harness. It is intended for use with low-current-demand non-critical accessory items like emergency lights, phone chargers, etc. The power for an active trailer wiring harness like the Curt # C59236 needs to come directly from the battery. Most importantly, using the outlet would negate the benefit of using a powered converter whose key purpose is to isolate...
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  • Recommended Trailer Wiring Harness for 2015 Mercedes-Benz GLK-Class
    The trailer wiring harness I recommend going with for your 2015 Mercedes-Benz GLK-Class is the Upgraded Heavy Duty ModuLite Circuit Protected Vehicle Wiring Harness with Install Kit # 119190KIT because it is designed to protect your car from any shorts with a self-reset. I've added a link to a video review of this kit for you to take a look at.
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  • Wiring Installation of Curt 4-Pole Harness C59236 in 2013 Mini Countryman
    Curt 4-pole trailer wiring harness # C59236 is a confirmed fit on your 2013 Mini Cooper Countryman S. For both types of PWM wiring systems, ST (combined stop and tail) and STT (combined stop, turn AND tail) you DO ground the harness brown wire along with the white ground wire. For the ST wiring setup the RED wire splices to the stop/tail wire. For the STT wiring setup the RED wire also grounds along with the harness brown and white wires and only the green and yellow wires splice to...
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Info for this part was:

Expert Research:
Mike L
Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Expert Research:
Jeffrey L
Edited by:
Lindsey S
Video Edited:
Joshua S
Video Edited:
Jacob T
Video Edited:
Dustin K
Video Edited:
Chris R
Video by:
Kathleen M
Video by:
Zach D
Video by:
Jonathan Y
Video by:
Michael B
Video by:
Jacob H
Installed by:
Cole B
Updated by:
Sarah W
Updated by:
Jenny M
Updated by:
Kristina F
Updated by:
Isabelle B
Written by:
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Test Fit:
Brent H
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Test Fit:
Robert C
Test Fit:
Conner L
Test Fit:
Ryan G

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