THIS ITEM IS NOT A FIT FOR
2013 Toyota Tacoma
Curt Tail Light Converter with 4-Way Flat Trailer Connector
Item # C56175
Retail:$57.33
Our Price: $27.56
You Save: 52%
2013 Toyota Tacoma
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- All Info
- Reviews (346)
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CURT Custom Fit Vehicle Wiring - C56175
- Universal Fit
- Trailer Hitch Wiring
- 4 Flat
- Powered Converter
- CURT
Built to last, this tail light converter with a 76" 4-way flat harness is made using surface-mount technology. Designed for vehicles that have amber turn signals and incandescent bulbs. Includes wire taps and color-coded wires.
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)
- Ensures that your vehicle's wiring matches that of your trailer
- Designed with safety in mind
- Guards against electrical shorts and mis-wire situations
- Connects directly to your vehicle's wiring with the included quick-splice connectors
- Bonded wires are color coded to ease installation
- Resists shock and vibration for superior operation on rough roads
- Circuit board is constructed using surface-mount technology (SMT), an improvement over through-hole construction
- Includes a durable, molded-rubber, female output socket with protective dust cover
Specs:
- Application: vehicles with 3-wire electrical systems and incandescent tail lights
- 4-Way harness length: 76"
- Ground wire length: 16"
- Splice-in wire length:
- Brown, red, yellow: 16"
- Green: 60"
- Max amperage:
- Turn lights and brake lights: 3 amps per circuit
- Tail lights: 5 amps per circuit
- 1-Year limited warranty
Do I Need a Tail Light Converter?
Some vehicles operate on a 3-wire system, wherein the brake signal and the turn signals run on separate wires to illuminate different lights. (Typically, these vehicles have amber turn signals.) But most trailers run on a 2-wire system, which means the brake and turn signals travel along a single wire. You'll notice that, on your trailer, the brake light will flash for the turn signals.
If your vehicle operates on a 3-wire system, it will need to be converted so it will be compatible with the wiring system of your trailer. This is where a tail light converter comes into play. This converter lets you combine the brake and turn signal functions of your vehicle so they run on a single wire to properly activate your trailer's tail lights.
Converter Wiring Configuration
| Wire Color | Wire Function |
|---|---|
| Green | Right turn |
| Brown | Tail lights and parking lights |
| Red | Brakes |
| White | Ground |
| Yellow | Left turn |
Tail Light Converter Installation
To begin the installation, use a circuit tester (sold separately) to double-check the function of each wire on your vehicle's tail light wiring harness. The color/function of the splice-in wires on this converter may not match the color/function of those on your vehicle, so you'll want to be sure to check all of the wire functions first. Once you've figured out the functions of your vehicle's wiring, use the included quick-splice connectors to connect the corresponding wires on the trailer connector. Quick-splices, or "wire taps," offer a quick way to make connections without you having to strip and twist wires. Just place the wires in one of the taps and snap the cover down.
Use double-sided tape to stick the converter box to a flat surface inside your vehicle near the tail lights. It's helpful to clean the surface first so the tape can adhere fully.
Find a raw, unpainted metal surface to use as a grounding point and secure the white ground wire with the included self-tapping screw. Cleaning the surface prior to securing the white wire will ensure the converter is fully grounded. Finally, secure the converter wires to your vehicle using cable ties (sold separately).
Quick Tips:
- Butt connectors - especially heat-shrink ones - provide the most secure, longest-lasting connection, so we'd recommend you grab a few and swap them out for the quick-splices in this kit.
- Use a circuit tester on the plug terminals once the harness is installed to make sure everything's working. There's nothing worse than figuring out that you have a bad ground or a faulty connection right before you're about to hit the road.
- Be sure to put a little bit of dielectric grease on the 4-way plug to protect the terminals from dirt, grime, and corrosion.
Built Using Surface-Mount Technology
Curt builds each tail light converter using surface-mount technology (SMT). This construction method 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 smaller circuit board that provides more routing area and that offers superior performance, reliability, and durability.
Circuit boards constructed using SMT 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, increasing durability and lifespan. In addition, lower resistance levels ensure better performance, especially for parts that operate at higher frequencies.
Each Curt circuit board is made using high-quality components pieced together in the most technologically savvy fashion, leading to greater predictability and reliability in functioning.
56175 Curt Wiring Harness with Vehicle End 4-Pole Connector and Tail Light Converter - 76" Long
Installation Details
California residents: click here
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
- Wrong item was ordered
- Product did not meet expectations
- Defective
Customer Reviews
Curt Tail Light Converter with 4-Way Flat Trailer Connector - C56175
Average Customer Rating: 4.6 out of 5 stars (346 Customer Reviews)
Built to last, this tail light converter with a 76" 4-way flat harness is made using surface-mount technology. Designed for vehicles that have amber turn signals and incandescent bulbs. Includes wire taps and color-coded wires.by: Michael 04/12/2024
Worked out perfectly for what I needed to wire it into. The online ordering was very prompt on getting it out and I received the package a day earlier the expected. Vary simple instructions to follow and seems to be made with quality in mind. Works perfectly and should last the life time of the vehicle.
by: Matthew 10/26/2022
2004 Honda Civic
Worked great on my honda civic.
by: JC from NC07/29/2021
eTrailer gets a grade of A+. The actual part gets a grade of B-. Two of the wires arrived slightly damaged - luckily near the cut end so I didn't have to lose much length. The sticker identifying the 4 wires on one side and 5 wires on the other was upside down, so I peeled it off and reapplied (my OCD kicking in!). I wanted to keep my original quick release plugs on 1996 Jeep Cherokee Sport & was able to do that. Used heat shrink connectors between them & Curt Converter. All lights on vehicle & trailer working perfectly again!
by: Tom 08/07/2023
ups sent me a email stating eta aug 7
needed part nlt friday paid extra for o/n service
called etrailerw/eric and he traced the and said it would be here as irequested
thanks for correcting ups msg
will use your company for any parts i may need and also as we travel will recommend your company
thanks tom walters
by: Sean05/04/2020
The quick splice were a bit oversized for my Audi wiring. Required me to wiggle it a bit to get a good connection to the, my guess 22ga, wire. Could also use at least a few more zipties. Otherwise, this is a good kit.
by: Guy 05/24/2023
1996 Geo Tracker
I LIKE TO STAND BACK AN LOOK AT WHAT I AM HOOKING UP AN I TRACK THE RIGHT SIDE WIRE DOWN ON THE LEFT SIDE AN WIRED IT ALL ON THE LEFT SIDE IT MAKES IT SO MUCH NICER.. 96 GEO TRACKER 4X4
by: Dennis01/16/2023
2000 Honda Civic
The online fit guide stated that this would work for my 2000 Honda Civic, but after installation (double checked for proper installation) only one brake light worked on the trailer.
Brooke M.
1/23/2023
I am sorry to hear you are having issues with this. It sounds to me like there is a bad ground connection. You may want to double check once more and just make sure your ground wire has a direct, clean, and secure connection. So often, when it comes to wiring, the ground connection is the issue.
by: Robert 02/11/2024
2000 Volkswagen New Beetle
works great
by: Curtis 08/25/2013
1999 Oldsmobile Intrigue
Fairly easy to attach just had to double check the wiring on the car and had to sandpaper away some paint in order to get a good ground connection.
by: Corey 05/05/2021
2004 Volkswagen Jetta
I've been using this wiring harness for around a year now and it's performed amazingly. I have a 2004 VW Jetta Wagon, picked up some cheap female "pin" connectors as my taillights on my car had pins that you could just slide a connector on to. I was able to use this method to install this harness without actually cutting into any of my cars wiring. Working amazingly.
Corey
5/6/2022
Still working great 2 years after purchase. No complaints at all.
by: Andrew03/31/2022
I bought this kit for my 1994 Jeep Cherokee XJ and while it seemed like a good purchase at the time, unfortunately after installing it myself found issues with it. Driving lights on the trailer worked as they should, left and right blinker were extremely dim as were the brake lights. I tried a friends trailer and had exactly the same issue. Used a multimeter to check for correct voltage and continuity, everything seemed to check out fine. Problem persisted even after taking it to an auto electrician, so after about a month of trouble shooting and spending more money than I wanted to in diagnosis I ended up buying another 'plug and play' from a local auto parts store and after installing that one myself all the problems I had before vanished.
Jenny N.
4/7/2022
I will have our Customer Service team reach out to you. It is possible that the ground also needed to be checked. We do have a FAQ that helps with trouble shooting.
Helpful Links
by: Naomi04/25/2023
1996 Ford Escort
Nice quality because the shank that goes into the hitch is solid but hallow like the ones from other sources.
by: Charles J.08/05/2013
2004 Saturn Vue
Was very happy and satisfied with my purchase and delivery of my product. Insulation went very well.
by: Liam02/28/2013
1999 ToyotaTacoma
Good price, product was perfect, and the shipping was quick. Problem solved. T-taps are sort of miserable, but that's on the installer, not the product - cutting, soldering, and heat shrinking is definitely the way to go.
If you have a problem with your 'Yota truck lighting acting wonky, chances are very high this unit is your issue! Mount it up high, on the bottom of the bed to keep it dry and give it decent life. The harness cover is a nice touch that does not come with all of these - pack it with dielectric grease, and you'll get many years out of this.
Good job, etrailer!
Patrick B.
3/4/2013
We have seen some wonky trailer light issues with Toyotas when adding aftermarket harnesses like this. Typically the issue is the ground. The Toyota frames do not ground as easily as other makes. Sometimes we have to move the ground or extend it to a factory ground point in order for the system to function correctly.
by: William09/03/2022
Did not work with my application. To this day I still don't have working trailer lights.
David B.
10/8/2022
Ill have CS reach out to you William. In the meantime I would double check your grounds, look for damaged wires and loosecorroded connections.
by: David W07/06/2013
1998 Volkswagen Beetle
The Circuit Protected Converter # SMT C56175 trailer lighting harness for my 1998 VW Beetle arrived within a few days and was easy to install with the include instructions!
All trailer lights worked perfect the first time they were checked after the install! Great job to ALL of you at etrailer.com
David W.
1/4/2015
From the day I installed the SMT C56175 Converter, I have had no problems at all! This is a well designed, high quality item that I would highly recommend to anyone!This item still gets a five star rating all day long!All The Best,David W
by: Jordan 12/19/2022
2009 Kia Sportage
This kit worked perfectly for my 2009 Kia Sportage. It had all of the parts I needed and the only real challenge was trying to identify the correct wires to splice into.
by: Mark 10/06/2023
Great job.
Thanks
by: Scott D11/11/2013
Suzuki XL7
The product works fine. I Youtube video for installing a harness on a Suzuki XL-7 IS NOT this product. If you're not a very handy person you may have problems getting this installed. I figured it out but I'm pretty handy. The video show them just plugging it into a 6 pin connector inside the left rear qarter panel. But the harness itself has no matching connector. You have it splice each wire to a wire on the car.
Patrick B.
11/11/2013
The video that we had was for wiring in Tow Ready part 118372 [no longer available].
by: mj01/26/2015
1996 Ford Aerostar
This kit worked great. Your car or truck may need a little extra wire for the right turn signal but I am very very happy with the quality of the materials and install. Hauled my trailer safely today and did not have to redo any connections!
Mj
2/6/2016
It works
by: Jeff10/10/2018
1996 Jeep Cherokee
Something is defective with this unit. While the running light circuit is fine, the circuits that convert the brake and turn signals into a single circuit (the essence of the device) is intermittent; sometimes it works properly, sometime only the left light responds, sometime only the right, sometimes nothing. I believe the problem is due to a bad diode in the unit. I am experienced with these devices, so it is not an installation error. Due to the installation, I am unable to return the unit in unused condition.
1996 Jeep Cherokee.
FYI- this unit was purchased to replace a similar unit that started having a different problem after ten years of use.
Mike L.
10/10/2018
When a wiring harness is acting up, the first thing youll want to do is isolate the cause to the vehicle or the trailer wiring. Use a standard incandescent circuit tester like our part 40376 on each pin of the trailer connector as each function is activated. If youre not getting signal on the trailer connector pins, try testing on the input side of the converter. If the signal is entering but exiting the converter box, youll have confirmed that the converter is bad. Youll also want to ensure that the ground connection is secure. An insufficient ground can cause all kinds of odd behavior in the lighting. Ill link you to an help article on trailer wiring troubleshooting.
Helpful Links
by: Darrell N.06/17/2014
great wire harness, could not have been easier for the "common man" to deal with ! came with the hitch, I paid for it, but same package so didn't have to wait for a second box.
Darrell N.
6/17/2015
WONDERFUL!!
by: Alan11/22/2018
Honda
I installed this on my motorcycle, a 2004 Honda VTX 1300S. The converter itself is attached beside the license plate, exposed to the weather. It has functioned flawlessly for almost a year now, through Kansas cloudburst, desert heat and mountain freeze. If I should ever need another (not likely), I will get the same model.
Alan
11/27/2019
A year later and it still works just fine.
by: James10/15/2022
I never installed it. I expected plug in vehicle-specific harness part number 55522 for my 2003 Toyota Echo I had ordered and received from you before for my 2000 model and you sent me this useless piece of electrical shinola. May I still return it as it is unopened?
by: Ariel B.07/22/2013
2005 Hyundai Elantra
OK this product is great, installs quickly with the supplied tap connectors and works as expected. i installed on a 05 Hyundai Elantra.
Do yourself a favor and save yourself hours of troubleshooting. take some sandpaper and scratch off the paint on the metal surface of the car. I did it inside the light access panel. Use the supplied self tapping screw to make a Solid ground or your trailer lights will not work! i took a shortcut and secured to a screw in the panel, with paint under it. While this was sufficient ground for my test light, it was not for the trailer lights. <- this really threw me off and i wasted a lot of time troubleshooting. i even thought my trailer lights were bad and got a replacement set! but no good until i grounded properly.
PS tech support was AWESOME! i had to call twice, once for the hitch install, another for trailer light issue. they answered my questions quickly and even helped me troubleshooting my trailer light issue!.
When it comes time to get a hitch for my wife's van, i am definitely re-ordering from etrailer.com.
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Show More Reviews
See what our Experts say about this CURT Custom Fit Vehicle Wiring
- What To Do With Red Wire On Curt Circuit Protected Converter for 1992 Chrysler LeBaronThe Curt Circuit Protected Converter w/ SMT part # C56175 will work just fine on a vehicle with combined tail lights such as a 1992 Chrysler LeBaron. The red wire however which is for the stop light circuit would just simply not be attached.
view full answer... - Instructions for the Curt Wiring Harness # C56175I attached installation instructions for the Curt Circuit Protected Converter # C56175 that you referenced. I will send them to you in a separate email as well.
view full answer... - Will the Curt Wiring Harness part # C56175 Fit a 2016 Toyota TacomaThe Curt harness part # C56175 that you referenced has been confirmed as a fit for your 2016 Toyota Tacoma. It is a universal fit harness that will require some hardwiring but it will fit your vehicle.
view full answer... - Curt Trailer Wiring Harness for 2004 Volkswagen Golf has No Left Turn Signal at the 4-WayThe wiring system on the 2004 Volkswagen Golf is a complex system. It should have combined brake, tail, and turn signal functions on one wire. This means the red and brown wires are grounded and the yellow wire attaches to the combined brake, left turn signal, and tail light wire and green connects to the combined brake, right turn signal, and tail light wire. If this is how you have it set up and there is still no left turn signal on the output side of harness # C56175 then that indicates...
view full answer... - Finding Intermittent Ground Problem in Wiring of Trailer Towed By 1992 Geo TrackerI'm still leaning toward a insufficient ground connection as being the cause of the problem you're describing. To confirm it, you'll need length of wire long enough to reach from your ground connection on the trailer tongue to the negative battery terminal on the vehicle. If connecting the wire to the wire to the negative battery terminal fixes the problem, you've pretty much confirmed a poor ground as being the issue. I'd also check the spot on the tow vehicle where the # C56175 grounds....
view full answer... - 1994 Ford Aerostar Factory Trailer Wiring Harness Does Not Power Trailer Brake Lights You will want to check the stop light and/or CHMSL fuses in your 1994 Ford Aerostar. That very well could be the issue. There may also be separate fuses or possibly relays related to the tow package wiring. Use the vehicle owners manual to find the locations of any fuses/relays. If the fuses/relays are all good then it could just be a ground problem. Make sure the vehicle side and trailer side main grounds are attached to clean and corrosion free bare metal surfaces. Also make sure that...
view full answer... - Taillight Converter Recommendation to Install a 4-Way on a Vehicle with Separate Circuit TaillightsA taillight converter like the part # 118158 that you referenced would be exactly what you need. For a product that would work even better as it comes with a 4-way already installed on the output side you would want the Curt Tail Light Converter # C56175. To see how it will wire to your vehicle check out the picture I attached.
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- Wiring Diagram for the Curt Trailer Wiring Harness Part # C56175I really wish I had a diagram specific to your 2004 Nissan Quest that shows how it would install, but the best I can do is show you a diagram that shows you what circuits the Curt Harness part # C56175 would wire to. You will need to use the included circuit tester to determine the functions of all of the taillight circuits and then wire them accordingly. I also attached a copy of the installation instructions for this harness for you to check out.
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- Trailer Wiring Solution for 2011 Isuzu NPRWhile we don't have any custom fit trailer wiring harnesses that fit the 2011 Isuzu NPR we can still help with a universal fit option like the # C56175 which you'd have to wire to the taillight circuits of your NPR.
view full answer... - Troubleshooting Turn Signal and Brake Lights on Trailer Not Working with Headlights OnIn your case you either have an insufficient ground somewhere along your wiring or the harness is overloading the wiring connector when you turn the headlights on so some of the lights just don't get power. Make sure your grounds are all connected to a clean, bare-metal surface and then if your trailer has an excessive amount of lights on it then you'll need to unplug some of them to avoid overloading your light circuits. If you can tell me what wiring kit is installed on your trailer...
view full answer... - Instructions for the Curt Circuit Protected Trailer Wiring Harness part # C56175Yes, check out the link I attached. It is a link to the installation instructions for the Curt Circuit Protected Converter w/ SMT # C56175.
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view full answer... - Troubleshooting Trailer Wiring Where the Stop/Turn Signal Functions but Not the Running LightsYou've narrowed down the problem to being somewhere on the wiring of your trailer. The first place to look is the trailer connector. Look for corrosion in or behind the connector, cut or exposed wire that could be shorting the circuits and fix as necessary. The next place to look is the taillight assemblies themselves. Since both of them work with the lower illumination of the running lights but not with the brighter illumination of the stop/turn signal I suspect the problem is that the...
view full answer... - Is Power to Turn Signals Correct For Curt Wiring Harness C56175Thank you for your purchase from etrailer of the Curt Circuit Protected Converter w/ SMT # C56175. If the tail lights on your Volvo act as both the turn signals and the brake lights, you would have a combined system, and yes, you have it correct. I suspect this is exactly what you have though I was unable to verify the type of system on a 1988 Volvo 240. If you do not have a combined system and the lights and turn signals are on different lights, then you have it miswired and would need...
view full answer... - What Gauge Wire Is Used on the Curt Circuit Protected Converter # 56175?The Curt Circuit Protected Converter w/ SMT # C56175 has 18 gauge wires on both sides of the converter according to my tech contact at Curt.
view full answer... - 13 Pin EU Trailer Wiring Harness to 4 pin US Trailer Wiring Connector.There is not a simple adapter to plug into your existing 13-pin connector to convert to a US 4-pole connection. You can use a Curt # C56175 harness which has a 4-pole connection on one end and wires to splice into your tow vehicles lighting system. I have attached a video that discusses the installation
view full answer... - Testing Tail Light Wires on a 2005 Saturn Vue Using a Multimeter to Install Trailer Wiring HarnessTo test the tail light wires on your 2005 Saturn Vue using a multimeter you will first set the meter to read voltage. There should be several settings to test voltage but you want the lowest setting. Then you can either pierce the wires to test them or unplug the tail light and test the connector pins (if equipped). Have someone sit in the car and run through the light functions while you test the wires. The functions that power on should be near 12 volts and the others should not show...
view full answer... - Troubleshooting Trailer Wiring Install that Shows No Blinkers but Other Circuits are ActiveIf you test the pins of the 4-way right now do they flash with the blinkers? It's bizzare that the higher drawing circuits of stop and running lights would work but the blinkers would not. Typically that's a converter box issue so let me know if those circuits test positive with a tester. If not test the input side of the box too to see if the correct voltage is making it into the box. If not, then the issue is connections.
view full answer... - How To Install a 4-Way Trailer Connector on a 1995 Geo TrackerI do have an option for you but they do not offer an aftermarket plug in trailer wiring harness for your 1995 Geo Tracker because it is just not that popular of a tow vehicle. Instead, the only way that you can install a 4-way trailer connector on your Tracker is with a hardwire kit for which I recommend using the Curt Circuit Protected Converter part # C56175. The Curt Curt Circuit Protected Converter only requires four wires to be spliced into the vehicle so the install process is fairly...
view full answer... - Trailer Wiring Harness Recommendation for a 1990 Mazda MPV VanYou will have to use a converter style trailer wiring harness like part # C56175 which is a confirmed fit for your 1990 Mazda MPV. There will be no way to directly wire a 4-way to your van since it has separate turn signals and trailer wiring requires the signals to be converted to combined.
view full answer... - Grounding T-Connector for 1995 Jeep Grand CherokeeThe Curt # 55260 T-One wiring kit does not require a separate ground connection, because the ground connection is made in the plug that connects inline with the vehicle wiring harness feeding the passenger side tail light assembly. You can see this by looking at the photo I have edited for you. In other words, you are not missing anything. You can see the installation instructions by clicking the provided link.
view full answer...
- Taillight Converter for Honda Gold Wing with Separate Brake Lights to Allow Use with 4-Pole TrailerThe 5-pole wiring harness on your Gold Wing has a separate circuit for the brake light signal while 4-pole trailer wiring combines the brake and turn signals onto one circuit, one for the left turn and stop lights and one for the right. To make the 4-pole trailer's combined lighting system compatible you can install a converter # C56175 on the bike that will take in the separate signals and combine them into the 4-pole format. The red input-side wire will connect to the brake light circuit....
view full answer... - 4 Way Trailer Wiring for 2003 Nissan SentraYou are correct. The correct trailer wiring kit to place a 4 way connector on your 2003 Nissan Sentra is the Curt Circuit Protected Converter # C56175, which will allow your trailer lights to function in conjunction with your vehicle's brake lights, turn signals and tail lights.
view full answer...
Do you have a question about this Custom Fit Vehicle Wiring?
Info for this part was:
Expert Research:
Mike L
Expert Research:
Sarah L
Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
John H
Expert Research:
Adam R
Expert Research:
Jeffrey L
Video by:
Andrew K
Video by:
Joshua S
Video by:
Dustin K
Test Fit:
Nicholas E
Test Fit:
Andrew S
Video Edited:
Jacob T
Video Edited:
Chris R
Updated by:
Adele M
Updated by:
Wilson B
Updated by:
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Matthew
10/27/2023
I bought and installed the wiring harness a year ago and its been working great! Thank you etrailer for a great product