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Upgraded Modulite Vehicle Wiring Harness Kit w/ 4-Pole Trailer Connector and Installation Kit

Upgraded Modulite Vehicle Wiring Harness Kit w/ 4-Pole Trailer Connector and Installation Kit

Item # 119147KIT
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Our Price: $111.55
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119147KIT - 4 Flat Tekonsha Trailer Connectors
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Tekonsha ModuLite Wiring Harness with Powered Converter by Draw-Tite, Hidden Hitch and Reese Lowest Prices for the best wiring from Tekonsha. Upgraded Modulite Vehicle Wiring Harness Kit w/ 4-Pole Trailer Connector and Installation Kit part number 119147KIT can be ordered online at etrailer.com or call 800-298-1624 for expert service.
  • All Info
  • Reviews (103)
  • Q & A (530)
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Tekonsha Wiring - 119147KIT

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

Tekonsha ModuLite Wiring Harness with Powered Converter by Draw-Tite, Hidden Hitch and Reese


Features:

  • Virtually eliminates draw on the vehicle's taillight circuit
  • Works with either LED or incandescent bulbs on both the trailer and vehicle
  • Works with most vehicles multiplex wiring systems for lighting
  • Taillight circuit has been upgraded to work with vehicles using PWM, allowing converter to turn on fully giving trailer maximum light brightness
  • Powers the trailer's stop, turn, tail and running lights directly from the tow vehicle's battery
  • May be used on 2 and 3 wire systems
    • When used on 2 wire systems, brake wire on harness must be grounded
  • Eliminates the need for a heavy duty flasher
  • Includes circuit tester, wire to run to the battery, and (5) quick splices to aid in installation
    • Also includes 4-pole trailer connector cover


Warning: Overloading circuit can cause fires. Do not exceed lower of towing manufacturer rating or:

  • Max. stop/turn light: 1 per side (2.1 amps)
  • Max. tail lights: (7.5 amps)
  • Read vehicle's owners manual and instruction sheet for additional information.

Included with Hardwire Kit:

  • Upgraded Modulite Wiring Harness (# 119147)
  • Modulite Install Kit (# 118151)
    • 20' of 12 gauge wire, ring terminals, and inline fuse for battery connection
  • Circuit Tester
    • To help find wires behind vehicle tail lights to gather signals
  • (5) Quick splice wiring connectors
    • Makes tapping into wires quick and easy
  • Integrated 4-Pole Cover
    • Protects 4-pole connector from the elements and reduces dirt, debris and corrosion for trouble-free use


119148 ModuLite Wiring Harness with Powered Converter and Hardwire Kit with Testers

Installation Details 119147KIT Installation instructions

This Product Fits The Following Vehicles



California residents: click here



Customer Reviews

Upgraded Modulite Vehicle Wiring Harness Kit w/ 4-Pole Trailer Connector and Installation Kit - 119147KIT

Average Customer Rating:  4.6 out of 5 stars   (103 Customer Reviews)

Tekonsha ModuLite Wiring Harness with Powered Converter by Draw-Tite, Hidden Hitch and Reese

- 119147KIT
by:

Wiring loom and controller come with everything required for installation and work well in the car. Instructions could be cleaner/clearer.


Comments
Reliable works fine 2 years later.
Yoram - 11/01/2020


- 119147KIT
by:

My wife took this picture of my Son and I working on a truck the other day. We were installing electrical connections we had recently ordered from you guys for a truck that has a new hitch on it that also came from you guys. One of your boxes is in the photo. Figured you would appreciate it. I am sitting on the ground with my head up under the truck Good times! [Thumbs up]



- 119147KIT
by:
2005 Volkswagen Passat

It feels heavy duty and is working exactly as it should. Easy wiring in my 2005 Passat TDI. The most difficult part was bring the 12ga wire from the battery to the rear of the vehicle. The effort was worth it; I have a professional looking install that works perfectly.


Comments
The product works perfectly. A year later it still looks and works like a factory installed item.
Eric P - 05/03/2014


- 119147KIT
by:
2019 Hyundai Tucson

2019 Hyundai Tucson Works well but had two small problems with the install. This is the base model 2019 Tucson the up scale models I think have a different wiring harness. The red wire from the box is connected to the harness. It's not grounded like I read on someone's post elsewhere. I ran most of the wiring outside so I wouldn’t have to remove interior panels. 1st the wire to the passenger side light was too short I had to add a couple of feet of stranded wire to it. It may have been okay if the control box was mounted inside but I wasn’t going to remove interior panels to see if the harness was available there to splice to so I mounted the control box in the cavity below the tail light someone with large hands may have a problem getting in there. 2nd one of the inline wire splicers wasn’t making a connection on the brake light. The Tuson wires are very thin. So after moving and reattaching with no change I squeezed the metal part of the splicer to make a smaller gap for a better pinch on the wire. It requires a continuity checker to troubleshoot this or someone to step on the brakes while checking with the supplied checker. ..Could have had more wire ties. Initially I thought that it had no wire ties but they were with the black power wire so I didn’t see them. It's helpful to have something reflective to check the trailers brake lights. I got a quick response from Etrailer when I emailed them.



- 119147KIT
by:
2014 Subaru WRX

2014 WRX wagon at taillight: WHT/RED = Turn signal BLK/WHTstripe = Running light BRN = Brake light I mounted the modulator behind the left turn signal. I routed the power wire through the trunk via rubber access plug. I then fished the power wire under rear seat and stuffed it under plastic trim molding along the doors. I went behind left kick panel and then came out and ran it into the fender well, between the door and the fender, and up a structure tube into the engine compartment. The wire is safe from damage and will not be crushed by shutting the door because of the rubber door seal. I ran my XM ant. wire like this also and there are no negative consequences.



- 119147KIT
by:
2015 Volvo XC70

Ordered a hitch for a 2005 Volvo xc70. Shipped quickly by UPS, arrived on time. Excellent quality by DrawTite. The hitch and light kit were exactly what we wanted. I've been ordering from etrailer over the past 15 years because the quality and follow up on the order are top notch. They back up their product and know a lot about it. That's why I keep coming back.



- 119147KIT
by:

Installed on 2018 Tesla Model 3, along with an EcoHitch. The installations was straightforward but took a while due to routing a power wire from the rear of the car to the front to connect to the battery terminal. The kit didn't come with any written instructions, but I was bale to find them online. I did not use the blue wire spices that came with the kit, since they intended for 16 to 18 gauge wire and the wiring to the taillights in the Tesla are smaller than this, so it didn't look like the spices that come with the kit would make a reliable connection. So I soldered the connections instead, which increased the time to do the installation.



- 119147KIT
by:
2021 Genesis GV80

no plug and play option, no instructions specific to Genesis GV80



- 119147KIT
by:

When we buy a new vehicle, we always purchase the trailer hitch and wiring harness from etrailer. Your website is extremely easy to navigate and make a purchase. Only one complaint. Two years ago I purchased a hitch and harness for my new Hyundai Tucson. The module on the harness stopped working this past spring. I had no trailer lights which made it inconvenient for when we wanted to use it. I was not happy that I had to purchase another harness and pay my mechanic to install it. I hope that the harness that I just purchased lasts a lot longer.



- 119147KIT
by:

Hitch was a breeze using a lift. Wiring package typically comes as a plug-in. This package you need to solder wires and use wrap. Not an issue but for the price, should be a plug and play. Still give trailer hitch and wiring harness 5. Less than two (2) hours to install on '04 Porsche Cayenne S.


Comments
I checked the wiring harness options for your Cayenne, and at this time, there is not a plug in T-style wiring harness option available. This kit does include splice in connectors, but I understand the security of soldering your connection points.
-- Etrailer Expert Rachael H - 08/13/2019


- 119147KIT
by:
2014 Audi Q7

Hooked this up on my 2014 Audi Q7. Before buying from etrailer, I called around to a bunch of local trailer supply stores. They all said that you can only find this harness at the Audi dealership. Knowing how much anything is at the dealership, I was very happy to come across this one. Installation was very easy with the help of the video I found on etrailer.com and all lights work great with my trailer.



- 119147KIT
by:
2013 Toyota Prius

I recommend the Tow-Ready 119147KIT instead of the Curt Model for a 2013 Prius. I had to return the Curt Kit because the running lights/tail light stayed on all the time even with the vehicle off. Sometimes there wasn’t a tail/running light on if you reset the converter by removing and re-installing the fuse. This Tow-Ready model works like it should. You'll need 12 gauge wire to run from the battery, (right side hatch area,) to this unit which will need to be mounted on the driver’s side, rear hatch. At the very top of the left rear tail light are covered wires going into a plug. The Blue is the Stop light and the Brown is the tail/running light. (Be careful since these wires are thin solid copper wires.) Left turn signal is the green/yellow stripe wire and on the right side rear lamp the right turn signal is also the green/yellow stripe wire. You will need to remove the left rear panel to get to the blue and brown wires. Remove the bottom tray cover, the bottom tray as well as the left rear plastic tray and the plastic bottom hatch trim over the latch assembly. Remove the Phillips screw on the left rear panel as well as the chrome tie down clamp. This sounds harder than it really is. Good luck!


Comments
Thanks for the installation details. I also have a 2013 Prius and everything went a lot smoother with your information. I didnt even need a test light.
-- comment by: BBOWL - 06/23/2014

Comments
I agree - very helpful information on installing on a 2013 Toyota Prius. This told me which wire was which light and even gave helpful tips on removing the panels that I was sure I couldnt do, until I read what you wrote. Thank you so much- saved me lots of irritation.
-- comment by: Kathy C - 06/27/2014


- 119147KIT
by:

A perfect fit for my 2007 Volvo XC70. No hassle installation, very easy, and took less than 25 minutes start to finish. Unlike other kits, this provides complete isolation from my lighting system, so no loading that could result in system faults. No system programming required either, just plug and play. Can't buy a more compatible and quality unit than this. Perfect choice for the Volvo XC70!



- 119147KIT
by:

Very pleased with my purchase. Easy to install, and still working fine.



- 119147KIT
by:
Chevrolet

I am pretty happy with my purchase. The tow hitch arrived very promptly within a few days of ordering it. The longest part of the install was marking and cutting the plastic bumper. Once that was done it took two of us 15 minutes to bolt it in place. I did find the recommended ball mount a little low for my trailer and you might like to try one that has a 3" rise. The instructions were a bit sparse but there are several video clips on how to approach it. I used the 119147KIT for the lights and I found a guide on the Chevy Bolt forum. I do need to say that this isn't for the faint hearted!



- 119147KIT
by:

I was very please with product and etailer.com itself. The hitch install was exactly as described in their video. Product delivery was quick and complete. Overall highly recommend them.



- 119147KIT
by:
2014 Lexus RX 350

Just completed the installation of the 119147KIT on a 2014 Lexus RX350 and it works great. Everything needed was included in the kit and the installation process was fairly easy. As always when I purchase items from e-trailer things fit and the right amount of supplies are included as well as installation instructions. i have always had excellent service from e-trailer and have great confidence in doing business with e-trailer. I know that i will get a great product with support, if needed, and always a follow up e- mail to see if everything was OK. Great place to shop.


Comments
This was installed on a Lexus that does not have the factory tow package. It work just fine and has had no negative effect on the vehicle. Note, I tow a very small utility trailer on short trips and wanted the lights on the trailer to work properly.
Hans H - 01/28/2017



- 119147KIT
by:
2014 Lexus RX 350

My RX350 Lexus did not have a towing package, and I used this kit for getting all the trailer lights to work. It took me a little more time to make the electrical connections as I needed to probe individual wires to ensure I was connected to the correct wires. Once completed, everything worked fine and still does. Glad I did it.


Comments
Still works.......
Dave S - 07/06/2018



- 119147KIT
by:
2011 BMW 135i

Very very confusing and incomplete directions, NO way to understand the difference between the red "2 wire or 3 wire setup" Very very annoying, parts missing in, i.e. 12 gage wire, fuze for battery connection. I would NOT recommend anyone with a BMW 135i buy this product, I am very dissatisfied with this confusing and incomplete kit


Comments
Hardwire kits like this take a little bit of extra work and require a basic understanding of some electrical basics. If anyone ever has questions, give us a call at 1-800-298-8924 and our techs can help out quite a bit with the project and get you up to speed on the background info you will need to complete the task. We also have some great videos on the subject.
-- Etrailer Expert Patrick B - 08/29/2013


- 119147KIT
by:
2005 Honda Element

Recently purchased this to go with a Hidden Hitch for a 2005 Honda Element. Everything was delivered on-time and in perfect condition. While the hitch went on smoothly, I had originally viewed the video for installing a kit on an Element but the kit in the video is not the same. The extra step for installing the power tap off the battery took some extra time. Not having a lift or a good way to really get a good look under the car to route the power line. I also added some conduit for the power line to protect it. The only thing that really didn't fit properly were the supplied ring terminals, I had to pick up a different size for the battery terminal. I also had to get some wire for the right turn signal since the right turn signal wire was not long enough to reach the right turn signal for the connection.



- 119147KIT
by:
2019 Chevrolet Equinox

This kit is good, and very complete. It would benefit from some model specific instructions, like the trailer hitches come with. The average person with no automotive background CANNOT install this on a late model car. you need to know how to remove trim panels and components - which is easy with a little instruction!


Comments
This particular wiring harness isnt a vehicle specific item, it fits many different vehicles so therefore itd be very difficult to provide vehicle specific instructions for the hundreds of vehicles that it can be used on. There are some installation videos linked above showing the harness being installed on a different vehicle. The actual step-by-step process shown in the videos would be different than the procedure for your particular vehicle, but the method used for testing that determines which taillight circuit controls which function would still be very helpful.
-- Etrailer Expert Mike L - 10/09/2018


- 119147KIT
by:
2010 BMW 135i

I just installed by my own on BMW 135i 2010 despite the fact few dealers and u-haul refused to help me. It is a way easier installation(45mins) as compared to other car brands, because the battery is at the back of the car. The only thing you would need from the kit is one more butt connector. I had a problem to find a place for ground - but it is solvable. I used crocodile connector and tape to connect to one of the screws of the back light. One more easy thing for dummies. To test the right wire you will need to connect one end of the tester to the ground of the car, switch on the light to test and connect the tester(which is also in the kit). For tail light you will need to switch on the car engine. If you do not want to test these here are the colors you use in your car Left side of the car in multibulb assembly wires: MODULITE ----------------------------------------------135i LEFT TURN -------------------------------------- Blue wire with green stripe BRAKES ----------------------------------------- Purple with Yellow stripe Left side of the car on Tail light bulb harness: TAIL LIGHTS ------------------------------------ Purple wire with Light Blue stripe Right side of the car in multibulb assembly: RIGHT TURN ------------------------------------- Blue wire with Brown stripe ^^^I took this description from open source of one of the BMW forums. For me it worked out well. As for the Modulite colors they are in the pdf Instructions of this Modulite. I do not know why I did not get this in a printout with modulite, but I got this info here http://www.etrailer.com/instructions.aspx?pn=119147KIT



- 119147KIT
by:

The customer service representative provided a professional service, very knowledgeable of what I needed to install new trailer hitch and the items required to complete the project. Very happy with the fast delivery. I would recommend your website to friends and family. Thank you.



- 119147KIT
by:
2007 Volvo XC70

119147KIT Still working perfect on my 2007 XC70 super easy install with great instructions! Etrailer is the best! Unbelievable value and quality compared to OEM Volvo. THEY WANTED $300 bucks to accomplish the exact same task! Thanks etrailer!


Comments
Still working Great after 1 Year
Dave E - 01/27/2018



- 119147KIT
by:

The electrical kit took me about 3 hours to install, I liked that it included a test light with a sharp probe for finding the correct wires. I also like that it isolates the trailer power away from the car lights. This is not your auto part store $20 converter plug. This unit, takes the signals from the car's lights but draws the power from the battery so it does not overload the car's lights. This prevents things like the speed of the turn signal changing that can happen with cheap converters. I did not used the include wire clamps, rather I soldered the wires for better connection that will last for the life of the car.


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    For your 2000 GMC Sierra 1500 there is not a connection to factory wiring for the connector you mentioned. My recommendation is to use the Tekonsha Upgraded Modulite Vehicle Wiring Harness Kit with 4 Pole Trailer Connector (Includes Install Kit) # 119147KIT that is confirmed to work with your truck. I've attached a video of an install on a vehicle just as a reference. This harness will protect your factory wiring from overload and create an easy connection using the quick-splice...
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  • Wiring Harness That Fits 2018 Hyundai Elantra GT
    I checked with the harness manufacturers and found the correct wiring harness for your 2018 Hyundai Elantra GT is the Vehicle Wiring Harness Kit with 4-Pole Trailer Connector # 119147KIT. Please note that this harness will not fit Sport models of the '18 Elantra GT, but it will work with all other models. Using this kit will provide you with the 4-way you need at the back of your Elantra so you can power your trailer's lights and tow safely. I have added a link to a video review of...
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  • Will the Trailer Wiring Harness for a 2006 Porsche Cayenne Cause Warning Lights To Go Off
    The Upgraded Modulite Vehicle Wiring Harness Kit part # 119147KIT is a fit for a 2006 Porsche Cayenne so there should not be an issue with triggering warning lights. The harness does not actually pull power for the trailer lights from the vehicle's lights, it uses simply obtains a signal and then pulls power for the battery to power the trailer lights. Therefore, you should not have any issues with CAN Bus error codes for a bulb out.
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  • Correct Wiring Needed For a 5-Way Connector To Tow Boat Trailer With My 2006 Lexus RX400h
    To install a 5-way connector on your 2006 Lexus RX400h, you will first need to install harness # 119147KIT. Then, you can install the Adapter 4 Pole to 5 Pole, part # 20036, which will give you a 5-way connection at the rear of your Lexus. The 5th wire or the Blue wire on a 5-way, is for the electric lockout for the surge brakes on your trailer. The Blue wire gets connected to the reverse light circuit of your vehicle. When you put the vehicle in reverse when connected to the trailer,...
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  • Recommended Trailer Wiring Harness for 2014 Ford Explorer Without Tow Package
    Your Explorer might have the rectangular plug located to the right of the muffler on the passenger side of the vehicle (see linked video). If it does, you could use the # 118540 harness from Tow Ready. The harness is a plug and play install, pretty easy. If you do NOT have the connector, you'll need to hardwire the trailer connector in place using the # 119147KIT wiring harness. I've linked you to a video showing that harness being installed on a different vehicle. The procedure would...
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