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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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119147KIT - Plug and Lead Tekonsha Wiring
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Tekonsha wiring for your 2019 Mercedes-Benz are available from etrailer.com. Installation instructions and reviews for your Mercedes-Benz wiring. Expert service, and cheapest wiring price guarantee. etrailer.com carries a complete line of Tekonsha products. Order your Upgraded Modulite Vehicle Wiring Harness Kit w/ 4-Pole Trailer Connector and Installation Kit part number 119147KIT online at etrailer.com or call 800-298-8924 for expert service.
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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


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   (101 Customer Reviews)

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

- 119147KIT
by:
2008 Toyota Solara

Thank you for the timely delivery and thank you for having great products that meets my expectation, having ordered from you in the past. Keep up the excellent work that you and your associates perform daily, and very importantly, for providing how to videos and very clear instructions. 652791



- 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! 134002


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

5052
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

5186

- 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 85543


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.
-- Patrick B - 08/29/2013

1993

- 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. 725174



- 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 148050



- 119147KIT
by:
2012 Mercedes-Benz M-Class

Too complicated and instructions not clear. I recommend a factory harness instead of the application. 541337


Comments
Because this wiring harness isnt a vehicle-specific item, the install instructions are indeed vague, as this product fits numerous vehicles. The basic procedure would involve using the included circuit tester to verify which wires in the vehicles tail light wiring harness control which lighting function. Once each function right turn, left turn, brake, and running lamps is identified, the corresponding wires on the trailer harness are spliced in. Yellow wire taps into the left turn circuit, green into the right turn, red into the brake lamp and brown into the running lamp circuit. The instructions cannot be any more specific as different vehicles use different wire colors to carry the different functions. Ive linked to an install video showing a similar harness being installed on a 2012 MB GLK Class. The wire colors on this vehicle might be different than whats found on yours, but the procedure for identifying which circuit carries which function would be the same.
-- Mike L - 07/14/2018

40923

- 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. 78902


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

3940

- 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! 654133



- 119147KIT
by:
2011 Ram 2500

Very easy to install and got it in a couple of days. This was my second time to order and will do it again. 905810



- 119147KIT
by:

883471



- 119147KIT
by:

Easy to install with everything needed included, ever the tester probe, and the video on your site made it even easier! 858462



- 119147KIT
by:

Very good service. Parts arrived sooner than expected. Great quality on parts. Definitely recommend E-trailer to others. 854339



- 119147KIT
by:

excellent - everything worked first try 851279



- 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. 845975



- 119147KIT
by:

Awesome product, does more then I was expected for it to do! 845657



- 119147KIT
by:
Suzuki Swift

These guys are great. Swift turn around time, reasonably priced and a follow up email to make sure we are satisfied. Good care! 837212



- 119147KIT
by:

A described, thank you 828534



- 119147KIT
by:

Fast shipping and product was just what I needed to wire my truck so I can hook up my trailer 817533



- 119147KIT
by:

Parts were missing & the shipping took much longer than usual. 816819



- 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. 816504



- 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. 814923



- 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. 798116



- 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. 777476



- 119147KIT
by:

Easy to install 762665



- 119147KIT
by:

It turned out that I didn't need the product I ordered. The customer service representative, Kimberly R. , was perfect from purchase to return. I will use this company again. 761821


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