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Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Item # C55379

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Custom Fit Vehicle Wiring

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C55379 - 4 Flat Curt Custom Fit Vehicle Wiring
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Product Images

C55379 - 4 Flat Curt Custom Fit Vehicle Wiring
Curt Converter Custom Fit Vehicle Wiring - C55379
Custom Fit Vehicle Wiring C55379 - Converter - Curt
C55379 - 4 Flat Curt Custom Fit Vehicle Wiring

Customer Photos

Videos


  • Custom Fit
  • Trailer Hitch Wiring
  • Curt
  • 4 Flat
  • Converter
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance. Call 800-298-8924 to order Curt custom fit vehicle wiring part number C55379 or order online at etrailer.com. Free expert support on all Curt products. Guaranteed Lowest Price and Fastest Shipping for Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.


  • All Info
  • Reviews (81)
  • Q & A (17)
  • Videos (1)
  • Photos
  • Why etrailer?

Curt Custom Fit Vehicle Wiring - C55379

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.


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)
  • Connects quickly and easily - no cutting or splicing of wires
    • Locate connection points behind tail lights
    • Plug in T-connector
  • Includes a tail light converter to ensure that your vehicle's wiring matches that of your trailer
  • 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
  • Comes with dust cap for 4-way flat connector
  • Made in the USA


Specs:

  • Maximum amperage:
    • Stop/turn lights: 3 amps per circuit
    • Tail lights: 5 amps per circuit
  • Limited 1-year warranty


Installation

This custom-fit T-connector plugs into your vehicle's wiring harness, which is located behind the driver's-side and passenger's-side tail lights. You will have to remove the tail light assemblies to access this 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.


Tail Light Converter with Surface-Mount Technology

A tail light converter is built into this T-connector. Because most trailers run on a two-wire system - wherein the brake and turn signals are carried on one wire - the separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of the trailer. This converter combines the brake and turn signal functions of your automobile so that they run on one wire to properly activate your trailer's tail lights. Note: This will not affect how the tail lights on your vehicle operate.


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.



55379 CURT T-Connector - Surface Mount Technology - 4 Wire



C55379 Installation InstructionsInstallation Details C55379 Installation instructions

This Product Fits The Following Vehicles

1989 - 1992 Toyota Pickup

1998 - 2004 Toyota Tacoma

1996 - 2004 Toyota Tacoma

1995 - 1995 Toyota Tacoma 1995.5 Mid-Year model

1995 - 1997 Toyota Tacoma 2 Wheel Drive

1995 - 1997 Toyota Tacoma 4 Wheel Drive

1993 - 1995 Toyota Pickup excluding T100



Video of Curt T-Connector Vehicle Wiring Harness 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 Custom Fit Vehicle Wiring C55379 Review

Today we're going to review part number C-55379. This is the Curt T-connector Vehicle Wiring Harness with the 4-pole Flat Trailer Connector. This part is a custom-fit part number. It is designed to fit the 1989 to 1995 Toyota pickup; also the 1995 1/2 to 2004 Toyota Tacoma. This is a custom-fit part number, and anytime it is a custom-fit part number I do like to recommend to go to our website and use our fit guide. Put in your year and model vehicle, and it will show you if this part will work for your application. This part number includes everything shown here on the table. This will provide a four-way flat trailer connector at the back of your vehicle to power your trailer's signal lights. It does connect quickly and easily; there's no cutting or splicing of the wires. Basically, you locate your connection points behind your tail lights on your vehicle, plug in these T-connectors to each side, and then ground this wire and you'll be ready to tow a trailer and supply the lights to the trailer. It does include this tail-light converter, which will help you ensure that your vehicle's wiring matches that of your trailer.

This is constructed using SMT technology, which is Surface Mount Technology. That will give you consistent, reliable performance, and it helps maximize your trailer light yield and intensity while producing minimal heat. It also ensures superior operation in rough-road condition. It also comes with this dust cap which is used for the four way. Basically, what you can do is just put this around the connector itself, and then when you're not plugged into the trailer you can put this dust cap right over the four way. That will protect it from any weather; it also protects it from getting any damage to the terminals there. The specs on this wiring harness: the maximum amperage for the stop-turn light circuit is three amps; the tail-light circuit is five amps per circuit. It does come with this nice set of instructions.

These instructions will have nice pictures to show you where your connection points are on your vehicle When you go to install this what you do is go to the back of the vehicle. You have to remove your tail lights, and at the back of the tail lights you'll have connection points that will match these T-connectors. You'll start on the driver's side, the one that has the yellow wire in it. This will attach to the tail lights behind the tail lights on the driver's side. Then you'll run this longer wire, with the green wire in it, over to the passenger's side. The same way, attach this behind the tail light on the passenger's side. Have this extra, white wire with the eyelet on it. What you want to do is connect this to a good, clean ground.

If you don't have one you can drill a hole and use the grounding screw they include. On the connector itself you want to secure this so it doesn't bounce around. They give you this double-faced tape you can attach to there; peel that off, put this on a nice, flat surface so it won't move around, and then they give you some extra zip ties to take up any extra wire that might be hanging down. You can use the zip ties to secure that. What you'll do is just run this length of wire out of the back of your vehicle, and that's where you'll plug in your four-way from your trailer to. That should do it for the review on part number C-55379, the Curt T-connector Vehicle Wiring Harness with the 4-pole Flat Trailer Connector. .


Customer Reviews

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C55379

Average Customer Rating:  4.8 out of 5 stars   (81 Customer Reviews)

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.

- C55379

by:

1999 Toyota Tacoma


Harness is well made and install is very straightforward. Also a great price on eTrailer.com! Had an issue with the first harness we installed. eTrailer went above and beyond to get a replacement unit out immediately and delivered to me in time to be installed before our big camping trip. Thanks Nicole! New unit works perfectly and am very pleased with the product and eTrailer's customer service! 574585



- C55379

by:


Always confident in any purchase from rhe folks at etrailer! Good pricing and prompt service/shipping 574957



- C55379

by:


This product installation was so simple. Recalling what a pain it used to be to locate and cut into wires to splice-in connections, this product makes the task easy. Delivery was timely along with the receiver hitch and bracket, and at a great price. 570547



- C55379

by:

2004 Toyota Tacoma


Custom fit of the trailer lighting assembly was a perfect fit and only took 15 minutes to install. Neat and clean finish that functions perfectly. My order arrived in 2 days. Great product you will be pleased. 438121



- C55379

by:

1994 Toyota Pickup


Installed in no time. Quick shipping, fit the stock Toyota connector perfectly. All wires are plenty long. Would recommed. 263922


Comments

Still going strong, pull my trailer once a week and the lights are still working properly,

Brad - 06/22/2017

25298

- C55379

by:

2004 Toyota Tacoma


Very easy installation. I had a bed cap installed and they spliced the brake light wires but this plugged right in! 369837



- C55379

by:


Worth every cent. 10 minute installation seemed like 5 minutes. Pretty straight-forward. 566775



- C55379

by:

2002 Toyota Tacoma


Installation was easy enough. The only thing that could have been better is if I had some cable shield. I routed all wires away from any sharp edges and secured them to the existing cables with electrical tape and the zip ties that were provided. The double back tape for the controller was a nice touch and I found the perfect place for it in the video. All lights functioned perfectly, I have no complaints. 548983



- C55379

by:

1999 Toyota Tacoma


Everything plugged straight in to the factory plugs like it was advertised to do. No splicing, just plug and play. The install was fast and easy 397794



- C55379

by:

2001 Toyota Tacoma


This product is terrific. I found some weird wiring that someone did on the left rear light of my truck in the past. Apparently they were trying to get the trailer lights to work by adding direct battery wiring. I wasn't sure what to do so I decided to start by just removing all that extra stuff and installing this kit as per directions. I did that and boom!.... The the tailer lights worked perfectly first time out! I was very surprised... I was sure there would be problems. But there were not! It was just too easy! 514917



- C55379

by:

1992 Toyota Pickup


I am very glad that I ordered the Curt T Connector Vehicle Wiring Harness for my 1992 Toyota Pickup. It took about 16 minutes to install it as it was very simple. I just removed both taillight assemblies,unplug them and plugged in the Curt connector harness,ground the ground wire and plug my trailer to it and Boom,all my lights worked, Running lights Both turn signal lights, break lights,side marker lights and even my emergency flashers also worked. No splicing,or guessing at the wires.In my book this is a great product and it really made my day. 156353



- C55379

by:

1992 Toyota Pickup


Harness was exactly as described. Shipping was fast. There was even a picture in the package along with the directions to install the harness. I have no complaints about these guys at all. I will definitely check them out the next time I need parts for my trailers or other towing needs. 193725



- C55379

by:

1997 Toyota Tacoma


I bought a Curt trailer wiring harness C55379 to fit my 1997 Toyota Tacoma. Everything worked just as was explained in the etrailer video. Basically plug and play. etrailer deliverd my order quickly and kept me up to date. 396739



- C55379

by:

1997 Toyota Tacoma


The product was ordered and shipped as specified. Quality of product is ok. Conniction plugs were oem quality, but the flat 4 plug was about as generic as you can get. It is by no means made for long term, heavy useage. I am actually considering replacing it with something more sturdy. Also, kit should have came with 10 ft of wire looming for protection, and instructions should have made it clear to follow current wire loom. 314438



- C55379

by:


Purchased full hitch package: communications, information, shipping & tracking, install easability were all superior & professional. The product itself very strongly built, specs to vehicle were perfect for install. Price was fabulous for quality made American product. I would recommend this product and this company to anyone. Two thumbs up for a great American-made company!!! 159598



- C55379

by:

2002 Toyota Tacoma


Just as described. Haven't installed yet, looks like it will be super easy to do. Can't wait to install hitch and wiring! But the best review I can do would be about the company etrailer.com!! Super fast shipping! About an hour after I placed the order, someone called me to let me know about the order and shipping!! A couple of emails too including shipping and tracking information. Never happened to me before. Just A++ in my book. Will definitely will be doing business with them again!!! Thanks so much. 332199



- C55379

by:

2003 Toyota Tacoma


Fast shipment!! Received hitch in a few days. instructions where right on and easy to use. Plus, online there was a video from etrailer on how to install the hitch. Hitch and wiring only took 2 hrs to install. Great product, great service will definitely order from them again! Thank you etrailer! 294806



- C55379

by:


It's a great product, and was easy to install took about 30 minutes 244263



- C55379

by:

2004 Toyota Tacoma


The bumper bracket does not fit back over the frame and hitch. The bracket tab that goes through the hole in the hitch and around the combined width of frame and hitch is too narrow. I will need to trim the tab and widen the gap to allow sufficient clearance. The video shows that it merely slides right into place. Not the case for my install. 273545



- C55379

by:

1992 Toyota Pickup


Will not run lights on trailer unless you have 12 volts at brake lights mine is only 11.8 and it will not run brakes or blinkers, running lights do not pull it down so it will run them make sure and check before you buy 189933



- C55379

by:

2001 Toyota Tacoma


Positives: Product installations were easy to follow and the product functioned as advertised upon completed installation. Wire lead length was reasonable. Negatives: A warning label attached to the wires warned that the converter module must be mounted in a protected area similar to the interior of a vehicle. This type of mounting is virtually impossible on the Toyota Tacoma. The converter was sold for the Toyota Tacoma. Since the converter box cannot be mounted in a protected area, I expect early failures. 104424



- C55379

by:

1995 Toyota Tacoma


The Curt T-Connector vehicle wiring harness arrived just a few days after placing my order. Everything I needed was included in the package. Installation was so easy even with removing my very old failed harness, installing the new one only took about 30 minutes. Connections were simple and no splicing! I would recommend etrailer to anyone. 158587


Comments

After a year of use it still works perfectly.

Bud G - 10/31/2015

15740

- C55379

by:

2000 Toyota Tacoma


Great product, does involve removing both rear taillight covers to connect, but other than that everything is provided including double stick tape, metal tapping screw & zip ties. 559144



- C55379

by:


Very fast and timely delivery. I still have not installed the harness. But the service was great. 551867



- C55379

by:


Correct product shipped quick 550493



- C55379

by:

2001 Toyota Tacoma


I had already put on this same flat 4 pin wiring harness on my other Toyota truck and this was even easier, because I knew what to do. Works great, just like the other one I installed. Good product. 542891



- C55379

by:

1997 Toyota Tacoma


Worked great, easy to install. 521808



- C55379

by:


We have been customers of etrailer for some time - always knowledgeable and excellent customer service - as well as fast delivery. Much appreciated! 588331



- C55379

by:

2003 Toyota Tacoma


Fast delivery. Product was easy to install with the provided instructions. No cutting or splicing. Works perfectly! Would highly recommend. 585040



- C55379

by:

2004 Toyota Tacoma


I am replacing a wiring harness that I previously purchased from etrailer.com. The previous harness lasted for 15 years until the salt and calcium chloride spread on VT roads took its toll on the electrical connections. I'm pleased with the performance and endurance of the harness in some challenging environments. Thanks for your service. 577615



- C55379

by:

2001 Toyota Tacoma


It was an exact fit...great layout of instructions....fixed my towing light problems and delivery was very prompt...would recommend to anyone 500320



- C55379

by:

2004 Toyota Tacoma


Install was simple and worked as designed. Did fail just under a year but was quickly replaced. Great customer service. 496713



- C55379

by:

2004 Toyota Tacoma


Very nice product. Easy to install. Took longer to put wire protector around it than it was to install. Works really good and with no problems. The instructions with it easy to read and to the point. I would recommend this product to anyone. 490246



- C55379

by:

Toyota Tacoma


Overnight shipping as requested, outstanding communications updates and the ball hitch actually had some shipping wrapping around it. Nice. The wire harness install was a breeze although I agree with other posters who made the point that there isn’t enough wire to store the box out of the way of the elements in a Toyota Tacoma mount. I’ll use the enclosed two way tape (kind of a joke considering the location options) and coat the box with silicone sealant. 479429



- C55379

by:


Thanks for the follow up and the wiring is great! I use my hitch and trailer light all the time. I have had no issues and it was super easy to install. Thanks again. 477449



- C55379

by:


All good. Easy install 476769



- C55379

by:


Works great ,easy install Thank you 468599



- C55379

by:


solid piece of gear. Wiring harness was very easy to install as well. great price. Instructions were spot on. Definitley would purchase from them again. Packing container was damaged upon arrival but nothing was missing. 452827



- C55379

by:

1997 Toyota Tacoma


Just what I needed Excellent product 448966



- C55379

by:


The harness was easy to install and everything fit and worked perfectly. 443566



- C55379

by:

2000 Toyota Tacoma


The trailer wiring harness installation went very well. It was a perfect fit on my 2000 Tacoma, and everything worked perfectly. Thank-you 442427



- C55379

by:

2003 Toyota Tacoma


Excellent products! Super fast shipping. Everything fit my truck perfectly. Customer for life. 440576



- C55379

by:

1999 Toyota Tacoma


Very easy to install, just followed the direction that came with the product 438342



- C55379

by:

1996 Toyota Tacoma


Quick to ship and good product good pri cing 434858



- C55379

by:


Great product 432298



- C55379

by:


Excellent - quick - friendly customer service person. The hitch, wiring harness, ball mount and ball were all as described. Would definitely order from these folks again, 427204



- C55379

by:

2002 Toyota Tacoma


The install was easy enough and I like the look of this hitch. Fits well and works well. I had a really nice experience with Etrailer as well. The shipping was fast, and the follow up customer service was very nice. Thanks! 426408



- C55379

by:


Great product, easy to install. Takes around 15 minutes. Just follow the instructions, you only need a Phillip's screwdriver. Highly recommend!!! 406198



- C55379

by:

2000 Toyota Tacoma


I installed the wiring harness and trailer hitch on my 2000 Toyota Tacoma without any problems and I have used it without any problems. I always check to make sure my trailer lights are working prior to moving my vehicle and I have not had any problems. I am very pleased. 400490



- C55379

by:

2003 Toyota Tacoma


I had issues with the lights working every time I restarted the vehicle. 399625


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Ask the Experts about this Curt Custom Fit Vehicle Wiring
Do you have a question about this Custom Fit Vehicle Wiring?


  • Recommended Trailer Hitch Receiver for 2004 Toyota Tacoma Along With Wiring and Ball Mount
  • For your 2004 Toyota Tacoma, I recommend the Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" # 13013. This trailer hitch is rated for 500 lbs tongue weight or 600 lbs when used with weight distribution system. It is a custom fit bolt on installation and comes with all the hardware needed to install. It has a black powder coat finish over a protective base coat for excellent rust prevention. It is a sturdy square tube design that is 100% made in the USA. For your trailer...
    view full answer...

  • Recommended Trailer Hitch Receiver For 2001 Toyota Tacoma
  • For your 2001 Toyota Tacoma, I recommend the Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" # 13013. This hitch is a confirmed fit for your truck and will give you a bolt on installation without any drilling required. For your trailer wiring, I recommend the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C55379. This will install behind the tail lights of your truck to your factory wiring plugs. For a ball mount, I recommend the etrailer.com...
    view full answer...

  • Trailer Wiring Harness Converter Box Failed on a 2003 Toyota Tacoma
  • The converter box alone in a trailer wiring harness such as # 118379 for your 2003 Toyota Tacoma cannot be replaced. The whole harness would have to be replaced. Since you have determined that all of the electrical signals going in are correct but not correct on the output side of the converter this does indicate a bad converter. But, if the converter stopped working because of a short somewhere on the trailer you will want to fix the short or the problem will keep happening. Make sure...
    view full answer...

  • Troubleshooting Plug and Play T-Connector Trailer Wiring Harness Not Working on a 1992 Toyota Pickup
  • As long as your vehicle is a 1992 Toyota Pickup and not some other model like a T100 pickup, you have the correct wiring harness. There are two possibilities for the symptoms you are describing. A ground issue or a short between the taillight circuit and turn signal circuits. Because there would need to be a short between both the left and right turn signal circuit and the ground I would think that would not be the issue, unless the converter box has been shorted out. Since you have...
    view full answer...

  • Troubleshooting Fuses Blowing With Curt Trailer Wiring Harness On 2003 Toyota Tacoma
  • It sounds like the converter is bad on your Curt T-connector # C55379. Since you re-grounded it, the harness should function correctly unless there is an issue with the converter because your vehicle lights are working. I recommend going with the Tekonsha T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118379. If you have the same issue with this connector, then there is more to your issue than the harness and we will need to do further testing, but right now it does...
    view full answer...

  • Troubleshooting Trailer Blinkers that Only Work When Brakes are Applied
  • This could be a ground problem. A bad ground connection can cause all sorts of problems. First check the trailer connectors on the vehicle and on the trailer for any dirt or corrosion and clean them out. Corrosion can also build up behind the connectors where the wires attach. On the vehicle side, make sure that the main ground is attached to a clean bare metal surface on the frame. On the trailer side connector, again make sure that the main ground is attached to a clean metal surface. Use...
    view full answer...

  • 4-Pole Wiring Harness for 2002 Toyota Tacoma
  • We offer two trailer wiring harnesses for your 2002 Toyota Tacoma, the Draw-Tite # 118379 and the Curt # C55379. Both harnesses are the plug-and-play type that will install in a similar manner at your Tacoma taillight assemblies as shown in the linked video. Given your choice of trailer lighting kit # TL5RK I suggest you opt for the Curt harness since it offers higher current output capacity than the Draw-Tite. Curt # C55379 provides maximum output of 3 amps per stop/turn circuit and...
    view full answer...

  • Does the Curt T-Connector Wiring Harness # C55379 Need to be Run to Battery on Toyota Tacoma
  • The Curt T-Connector Vehicle Wiring Harness # C55379 referenced in your question is confirmed to fit your 2002 Toyota Tacoma. This custom harness will install by connecting directly to the built-in ports located behind the driver's-side and passenger's-side tail lights. You will need to remove the tail light assemblies to access the harness. Once connected, this will complete your installation. This particular harness does not need to be run to the vehicle's battery with an additional power...
    view full answer...

  • Troubleshooting Blown Headlamp and Tail Light Bulbs on 2002 Toyota Tacoma After Harness Install
  • Since the truck is 17-years-old my first suspicion is that the bulb sockets/connectors for the left headlamp and/or left taillight could have corrosion that is causing a dead short that takes out the bulbs. There could also be worn insulation for that circuit's wiring that makes intermittent contact with a metal structure due to vibration when driving the truck. This would explain why the bulbs may work when the vehicle is still but fail when you drive. Normally the fuse for the headlamp/running...
    view full answer...

  • Confirmation of Fits for Hitch, Wiring and Brake Controller for a 2004 Toyota Tacoma
  • Everything you mentioned would be all that you would need for a towing setup on your 2004 Toyota Tacoma. The Curt hitch part # 13013 is a confirmed fit and then for a 4-way you would want the # C55379. Then to convert the 4-way to a 7-way and install the Primus brake controller part # TK90160 you would want the # ETBC7. I attached install videos for all products mentioned. The trailer wiring video is actually of a different brand wiring harness but the install process will be the same.
    view full answer...

  • Towing Setup Recommendation for a 1995 Toyota Tacoma
  • As long as your 1995 Toyota Tacoma is considered later than a mid-year model the correct wiring harness for your vehicle would be the Curt Wiring Harness part # C55379. This harness will simply plug in line with your taillight wiring harnesses to install. I attached an install video for you to check out. At this time we do not have any solutions for the 95 Rangers before mid-year models. The Curt Hitch part # 13013 you referenced would be an excellent choice for a hitch for your vehicle...
    view full answer...

  • Recommended Replacement 4-Pole Wiring Harness for 2001 Toyota Tacoma
  • Nice job recapping your troubleshooting efforts with the trailer lighting issue. I agree that based on your testing results it does appear the converter in the harness is toast. If it has been in service in the 2001 Tacoma for all these 16 years then you totally got your money's worth! Although we offer wiring from many good brands we do find that the best reliability tends to come with Tekonsha products. You can use the plug-and-play 4-pole harness # 118379. I recommend using dielectric...
    view full answer...

  • Trailer Turn Signals Dont Work After Installing T-Connector # C55379 on a 1996 Toyota tacoma
  • If the brake lights and running lights work on your trailer but not the turn signals then I don't think the issue is with the Curt T-Connector # C55379 on your 1996 Toyota Tacoma. I think it is on your trailer. Nevertheless you can still verify that the Curt T-Connector is working properly by using a circuit tester # PTW2992 to test the carious light functions. The running lights will be on the brown wire while the green will carry the right turn/stop and the yellow will carry the left...
    view full answer...

  • Comparison of Tekonsha and Curt Wiring Harnesses for 1999 Toyota Tacoma
  • The amp draw on the product pages for both the # 118379 and the # C55379 wiring harness is how much draw the harnesses are designed by their manufacturers to handle. The amount of draw will be determined by the lights on your trailer. The Curt is designed to handle a little more than the Tekonsha harness, however they've both been tested on a 1999 Toyota Tacoma like yours.
    view full answer...

  • Troubleshooting Running Lights and Brake Lights on Trailer Connected to 2004 Toyota Tacoma
  • If you are using an aftermarket 4-pole wiring harness like # 118379 or # C55379 in your 2004 Toyota Tacoma you can troubleshoot the lighting issue in several ways. First, check that the truck's own lights all work correctly. The harnesses like those noted above plug in to the truck tail light assemblies to get the lighting signals. If the truck's own lights do not function there will be no signals for the harness. If you unplug the harness and test the truck's lights and find that they...
    view full answer...

  • Curt Wiring Harness # 55379 Compatibility with LED Bulb Replacements at Truck Tail Lights
  • Yes. The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C55379 for your 2004 Toyota Tacoma will work fine with your replacement LED bulbs on your truck and the 12V incandescent bulbs on your trailer. Because you have used the conversion LED bulbs, the power getting to the harness has not changed and will not impact the function of the trailer wiring harness.
    view full answer...

  • Recommendation For A Hitch For A 1996 Toyota Tacoma
  • A Class III hitch that is a confirmed fit for your 1996 Toyota Tacoma is the Curt Trailer Hitch Receiver, Item # 13013. This 2 inch hitch is a bolt-on installation with a gross trailer weight capacity of 5,000-lbs and a maximum tongue weight capacity of 500-lbs. However, your total towing capacity is limited to lowest maximum capacity of any of the pieces of your towing setup including your vehicle. You may made need additional parts for your project like trailer wiring and a ball...
    view full answer...


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    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Satisfaction Guarantee
    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Edited by:
Leah B
Photos by:
Theodore B
Written by:
Lindsey S
Expert Research:
Robert G
Expert Research:
Jameson C
Expert Research:
Adam R
Updated by:
Sarah W

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.



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About Us
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