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Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester

Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester

Item # 119178KIT
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Tekonsha 0 - 5 Feet Long Wiring - 119178KIT
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Adapts import and domestic Toyota Land Cruisers with separate turn and stop lights (3-Wire System) to standard trailer tail light wiring (2-Wire System). Lowest Prices for the best wiring from Tekonsha. Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester part number 119178KIT can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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2000 Toyota Land Cruiser - Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester

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

Adapts import and domestic Toyota Land Cruisers with separate turn and stop lights (3-Wire System) to standard trailer tail light wiring (2-Wire System).


  • Short circuit protection safeguards itself and the tow against harmful electrical shorts and mis-wire situations
  • Circuit automatically resets once the module cools
  • Adapts a 3-wire system on the towing to work with a 2-wire system on the trailer
  • Works with trailers that have either LED or incandescent bulbs
  • Works with most multiplex wiring systems
  • Includes circuit tester and (5) quick splices to aid in installation
    • Also includes 4-pole trailer connector cover


  • Wire pigtail measures 18" long
  • 4-Pole trailer connector is 60" long from converter box
  • Limited 1-year warranty

Adapts import and domestic automobiles with separate turn and stop lights (3-Wire System) to standard trailer tail light wiring (2-Wire System). In a three wire system, a separate wire is used to carry each of the stop, turn, and running light functions to the tail light assembly. On most trailers, the stop and turn signal functions are sent through the same wire.


Overloading circuits can cause fires. Do not exceed:
  • Maximum stop/turn light: 2.1 amps per circuit
  • Maximum tail lights: 7.5 amps

Read 's owners manual and instruction sheet for additional information.

Kit Includes:

  • Circuit protected tail light converter (119178)
  • Circuit tester
    • To help find wires behind tail lights
  • (5) Quick splice wiring connectors
    • Makes tapping into wires quick and easy
  • Integrated 4 Pole Cover
    • Protects 4-pole trailer connector from the elements and reduces dirt, debris and corrosion for trouble-free use

119178KIT Circuit Protected Taillight Converter with 4-Flat End, Circuit Testers and Quick splices

Installation Details 119178KIT Installation instructions

Customer Reviews

Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester - 119178KIT

Average Customer Rating:  4.7 out of 5 stars   (330 Customer Reviews)

Adapts import and domestic vehicles with separate turn and stop lights (3-Wire System) to standard trailer tail light wiring (2-Wire System).

- 119178KIT
1997 Toyota Corolla

Quick shipping! Helpful customer service rep on the phone. Installed everything myself (lucky me I had an auto lift to use), bought a 4x8 flatbed trailer on craigslist, and pulled a piano, desk and other furniture about 250 miles with my 1997 Toyota Corolla. Thanks a bunch for the great product!

- 119178KIT

I ordered a hitch and light kit both were well pack and arrived in a week with free shipping.

- 119178KIT

This turned my seperate turn and brake lights into the standard combined brake and turn flat 4 set-up.

It works great. Ive pulled a small cargo trailer behind the motorcycle and the lights have never failed me.
Lee P - 06/11/2019

- 119178KIT

Works fantastic, all solid state and well sealed. Resilient to moisture. Easy to Install if you are mechanically inclined. A must have if you are installing a trailer wire harness on a vehicle that has a separate brake light circuit from the the turn signal light circuit.

- 119178KIT
Mitsubishi Montero Sport

I needed a hard-to-find hitch for my '98 Montero, overnight, no less. I ordered this part along with a harness from etrailer with overnight shipping. I don't live at the end of the world, but you can see it from here, so I wasn't optimistic about everything arriving on time for my trip. Shortly after the order was placed I received emails from etrailer's staff indicating the part wasn't at their main warehouse and would have to be sourced from another. They updated me throughout the day and the following morning. The parts arrived early afternoon. Installation took little time at all with their helpful wiring harness install video. Great thanks to George J, Bridget A and Madison H and others for seeing this through.

- 119178KIT
2003 Honda Civic

great quality, plan to install this wee kend

- 119178KIT
1995 Jeep Cherokee

Nice Products,I Thank You for the fast shipping and service.

- 119178KIT

Have ordered trailer parts from etrailer in the past for my trailers and such. Now that one of my boys has a trailer of his own we looked to etrailer to outfit his car with a hitch and harness. Have never been disappointed.

- 119178KIT

Throughout our order, etrailer kept us up to date on it's packing and shipment of the products we ordered, including the tracking number. We received our order quickly (about six days). We ordered the Draw-Tite Max-Frame Trailer Hitch Receiver - Custom Fit - Class III - 2" - 75089, and the Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester - 119178KIT for our 1997 Mercury Villager, an older van with a lot of life still left in it. Both arrived in excellent condition. The next day I installed both items. The Trailer Hitch Receiver took me about an hour. The only problem was getting it angled so I could slip it over the tail pipe, but once up it fit perfectly. Bolts went in nicely, though the space is a bit tight for the tools I owned to tighten them. Still, there was no problem patience did not solve. The video instructions were excellent, and the paper instructions helped me see what direction the washers should go. For the Protected Tail Light Converter Hardwire Kit, the video instructions were invaluable. Though I used the tester to be sure, the wiring descriptions and placement were on the money. There were a couple minor issues that were easy to correct. The green wire that goes to the right turn signal is a bit short. Though I could not attach it to the wiring by the connector, there was no problem cutting off the lower wrap and attaching it to the proper wire at the bottom of the bundle. When I hooked it up to my trailer for a test, the break lights did not work. I took off the splice connector for the break wire, and when I did the clip broke. The metal bar that should have cut through the wire jacket did not cut all the way through. However, the kit comes with a spare splice clip. I installed the new clip in the same spot as the old and perfection! I was set. The trailer hitch receiver was a bit heavy, but as long as you can lift some weight on your back there should be no problem (I work a desk job, get little exercise and I am close to 60). I am extremely pleased with the whole experience. The quality appears excellent and I saved $200 to 300 dollars I would have spent at UHaul. That's money I can now use for some fun in our boat!

- 119178KIT

Easy to install. Mentioned instructions, though, and none were included. Not sure, for e.g., the purpose of the adhesive pad. Also would be helpful if a wiring diagram of vehicle the kit is intended for would be included, but maybe not practical if this kit is designed to fit several vehicles...

- 119178KIT
2006 Dodge Ram Pickup

Works perfect For the TIPM blinker fix. Now both blinkers and brake lights work. 2006 dodge ram 2500 trailer blinker fixed. I recommend this to anyone with trailer blinker issues

- 119178KIT

I just installed my trailer wiring harness I purchased from etrailer.com For the do it yourselfer that can trace and figure out which wires are needed to splice into, it is a very good kit. I chose to solder my connections instead of using the supplied crimp connectors. I've seen these connectors corrode after a few years and then you have to eliminate it and fix the connection. Also, I chose to attach the converter to the frame with a heavy duty tie strap instead of using the adhesive pad that is attache to it. The only other thing I might suggest is a self drilling screw to attacht the ground wire. Having said all that, I would highly recommend this Kit. It saved me between $400 and $900 dollars according to the horror stories I've read online. You Guys need to get this product out there, maybe go to some Dodge forums. Good Job.

- 119178KIT

This converter works very well. The harness is arranged in such a way as to be run with the converter on the left side of the car, with the wires being spliced at the tail lights. I ended up mounting the converter on the right side of the car, and running the wires through the grommet and into the car, making the connections in the trunk.

- 119178KIT
2007 Kia Sportage

Installation went Just about as I expected. Working alone it took me about 1 1/2 hours, not counting the wiring harness ( 62 year old guy). I installed one of your hitches several years ago so I knew about what to do. The video was a big help. The only tools needed were a ratchet, screw driver,ramps,and a can of WD40. I left one of the 3 rubber exhaust supports (hangers) in place. It gave some support to the muffler so the pipe wouldn't bend, but everything dropped down low enough slide the hitch into place. 2007 Kia Sportage w/ single exhaust.

- 119178KIT
2007 Toyota Avalon

The 2 stars are for the lack of ANY correct instructions ( none were in the package, so i relied on the videos published by etrailer) for my 2006 Toyota Avalon . Once i determined the proper hookup the unit itself seems fine . The closest instruction i could find was the video for the 2007 Toyota Avalon . i used it for the instructions. Turns out, it is not correct for the 2006. After several hours of volt and ohm meter readings and swapping cars to verify that my trailer harness wiring was OK , i noticed that the low side of the bulbs for the rear lights were not attached anywhere to a car chassis ground. Then i determined that the white ground wire and lug( car side wiring of the unit) for the 119178 was NOT to be attached to the car chassis ground but to a low side wire in the wiring harness( black and white). Everything worked fine with that correction. I also found the note attached to the red wire confusing as it had different attachment instructions that depended on whether one was using a 2 wire or 3 wire system. Again no description to help me tell what system i had( 3 wire). Instructions and or a schematic would have raised my evaluation to 4 stars( 5 stars being reserved for longtime reliability).

- 119178KIT

Worked perfect on my motorhome while towing my F-150 with factory LED tailights.

- 119178KIT

I would not say this was an "easy" install, but for the significant savings in cost of an OEM harness it was worth it. The OEM harness had to be installed by running from front to back under the drivers so the time involved may be a wash. Buyers need to understand this unit must be installed by tapping into the existing rear lights by opening up the driver and passenger side panels in the rear compartment (next to the spare tire wheel well). If you do not want to mount the "harness box" inside the spare tire compartment, there is a great place behind the driver side panel, however, you will have to lengthen the right turn signal wire (green) to reach the right light. I ran the 4 plug trailer harness through the license plate rubber plug by cutting a slit in the plug and running the 4 wire set through it. The bumper will have to be removed (don't have to take off bumper cover) by removing the 2 screws on each side of the bumper. Depending on how you route the harness through the metal bumper frame that is now exposed, and how long of a tag end you want, you may have to lengthen the 4 wire set with a splice, I did. You may be able to avoid any splice by mounting in the spare tire compartment. Trailer lights are bright, no dimming at all.

- 119178KIT

Wiring kit fit my vehicle perfectly and the instructions were great, allowing for simple installation. Product works as expected and was a good value. Not sure what else I can say but I am very happy and will definitely order from etrailer again!

- 119178KIT

Looks like there will be no issues but there was no instructions at all. I would have had more problems if someone had not spelled out how to wire it in a review. It you don’t have any electrical experience, I would not purchase this one.

I am sorry to hear that your wiring harness did not come with a hard copy of the installation instructions. I have attached a link to the online copy of the installation instructions.
-- Etrailer Expert Victoria B - 09/07/2020

- 119178KIT

great product & easy to install

- 119178KIT

Everything was perfect from start to finish. Received delivery promptly and installation completed in an hour and a half including wiring. Only things I recommend is installation instructions for wiring kit and better quality scotch lock connectors. I am an ASE Master Technician with 40 years experience so installing the wiring w/o instructions is not an issue. Others may benefit from an instruction sheet. Overall 5 star experience.

- 119178KIT
Hyundai Elantra

Easily installed in my Hyundai Elantra hatchback. The tester is paramount to this device. After installing make sure you test the actual hitch connector to make sure everything is working before you put all the car back together. My running lights did not have a solid connection, but luckily the kit came with an extra quick splicer, so it was easily slipped in. Everything appears to be working good. The installation video on a similar car was a huge help.

- 119178KIT
2001 Volkswagen New Beetle

Waiting for my trailer to install this, but it's got everything I need. Saved a good bit of money by buying this kit from etrailer and installing it myself.

- 119178KIT

Fair prices and super fast delivery! My package arrived 5 days earlier than expected.

- 119178KIT
2011 Hyundai Accent

The hitch it self was excellent and the service was real good. The wiring kit came with no directions. The stuff online for it was not that good. It all did work out well but it took time and the weather was not nice. It should have said universal wiring and I would not cared. Next time I'll be more careful. This is a good company to deal with. This is the first complaint I've ever had.

Show More Reviews

Ask the Experts about this Tekonsha Wiring

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    I would be happy to help! Which connector your trailer has will determine exactly what wiring your vehicle will need, with the most common two connectors being a 4-way or a 7-way. Since there are no plug and play wiring harnesses available for your 2000 Toyota Land Cruiser both options will use the Upgraded Circuit Protected Tail Light Converter Hardwire Kit # 119178KIT. This kit will include everything needed to complete the installation of a 4-way connector on your vehicle. If your...
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  • Parts Needed To Bypass TIPM On a 2006 Dodge Ram
    In order to bypass the TIPM on a 2006 Dodge Ram you'll indeed need both the Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester part # 119178KIT and Universal Installation Kit for Trailer Brake Controller part # ETBC7. The Upgraded Circuit Protected Tail Light Converter will obtain the trailer lighting signals from behind the tail lights therefore won't be tied into the trailer lighting circuits. The Universal Installation Kit will then wire...
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  • Towing Capacity for 2019 Honda CR-V
    I took a look at the online version of the owner's manual for the 2019 Honda CR-V. It states that the vehicle can tow a trailer that weighs up to 1,500 pounds. I do still recommend verifying this information by checking your copy of the manual as well. To tow a trailer with your CR-V you will need a trailer hitch, a wiring harness, and a ball mount and hitch ball combo. Starting with the trailer hitch I recommend the Draw-Tite Class III Max Frame Receiver Hitch # 76128 because it...
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    The Upgraded Circuit Protected Tail Light Converter Hardwire Kit part # 119178KIT is indeed what you need to bypass the TIPM on a Dodge Ram. It comes with a 4-way trailer connector molded on but you can cut this off and wire it into the back of the 6 or 7-way on the vehicle. If you need a new 6-way to attach the wires to, the Pollak 6-Pole, Round Pin, Trailer Wiring Socket part # PK11609 has the easy to use screw-in terminals.
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    Check out the link I attached that will take you to the installation instructions for the Tow Ready wiring harness # 119178KIT. I also attached a link to an install video that details this process as well. The vehicle may not be the same as your 1989 Jeep Cherokee, but the installation will be the same.
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  • Which Trailer Wiring Harness for 2003 VW New Beetle GLX Turbo
    The correct Tekonsha trailer wiring harness for your 2003 Volkswagen New Beetle GLX Turbo is the Upgraded Circuit Protected Tail Light Converter Hardwire Kit w/ 4-Pole Connector and Circuit Tester # 119178KIT. All of the Turbo models will use the same wiring harness and must be hard wired into the vehicle's tail lights. This will allow you to install a 4 way trailer wiring harness on your Beetle. I've linked a short review video of this harness for you to check out.
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    The 4 cylinder models of the 2006 Kia Sportage require a hardwire trailer wiring harness. There are a few options available, see link, but I recommend Tow Ready harness # 119178KIT. This is a non-powered converter so you will not have to make a connection to the vehicle battery. With this harness you would use the included circuit tester to verify the functions of the tail light wires on your Sportage. The harness uses the white wire for ground, red for brake lights, brown for running...
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    For a good wiring harness that works with LED and incandescent trailer lights and that can be installed on your 2005 Hyundai Elantra look no further than Tow Ready wiring harness # 119178KIT. This harness is rated for 2.1 amps per side for brake lights and turn signals and 7.5 amps total for running lights. I have included a link to the installation instructions for you.
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  • Taillight Converter # 118158 Recommendation for Towing a 3 Wire Trailer with a 2 Wire Dodge Ram
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    Your 2006 Dodge Ram 2500 is a generation of Dodge truck that uses a very bizzare trailer wiring setup. It has a TIPM which manages the trailer wiring. If it shorts out you can only reset it so many times (at a crazy price) until you have to just buy a new one. It's a God-awful setup if you ask me, but we do have a solution that allows you to bypass that if you are okay with a little bit of wiring. The best way around the TIPM is to bypass it all together with the trailer wiring. For...
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    view full answer...
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  • Bypassing Dodge Ram TIPM for Trailer Wiring Solution
    Your generation of Dodge truck used a very bizzare trailer wiring setup. It has a TIPM which manages the trailer wiring. If it shorts out you can only reset it so many times (at a crazy price) until you have to just buy a new one. It's a God-awful setup if you ask me, but we do have a solution that allows you to bypass that if you are okay with a little bit of wiring. The best way around the TIPM is to bypass it all together with the trailer wiring. For that you can use the wiring harness...
    view full answer...
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    It can be rather difficult to tell whether or not a fuse is blow which is why you need locate the exact one that is associated with the lighting circuit you are having issues with. If you were to just scan the entire fuse box then you would most likely miss this. That said, I believe your 2006 Dodge Ram 2500 uses a Trailer Integrated Protection Module (TIPM) which controls the trailer lightning circuits and this is most likely the cause of your issue. In order to have this fixed you will...
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    If you get under the 2002 Nissan Xterra and find the connector that you see in the install video for the # 118244 you would need first test it with a circuit tester like part # PTW2993 to see if the pins are active when you apply turn signals on your Xterra. If so, then yes this kit would fit. If not, you would need to hardwire with the part # 119178KIT. The Draw Tite hitch part # 75107 that you referenced as well is the correct hitch for your vehicle. If you wanted to do some...
    view full answer...
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    A lot of people have done what you are looking to do simply because the part they need is fairly pricey and they may have to eventually replace it again. We will need to bypass the trailer wiring on your 2003 Ram 2500 completely so we will need to act as though you have no wiring installed. For your situation you will need to start off by installing a 4-Way Flat connector. We have found Tekonsha to be one of the most reliable electronic manufacturers out there so I recommend going with...
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  • How to Bypass the TIPM of a 2006 Dodge Ram and Install a 7-Way Trailer Connector
    The TIPM of your 2006 Dodge Ram can be frustrating to deal with in terms of trailer wiring. When you short out the TIPM you have to take it to a dealer so that they can reset it, and they will only do this so many times before you have to spend a ton of money to replace it. The best way around the TIPM is to bypass it all together with the trailer wiring. For that you can use the wiring harness part # 119178KIT for a 4-way, and then for converting the 4-way to a 7-way you would want...
    view full answer...
  • Wiring a 1992 Mazda B2600 With a 4-Way Trailer Wiring Harness
    Your 1992 Mazda has a 5 wire system and the trailer has a 4 wire system. If you do not have a 4-Way trailer connector on the truck you will need to install one. The 4-Pole Hardwire Kit with Converter, item # 119178KIT will convert the vehicles 5 wire system down to a 4 wire system for trailer lighting. You will need to identify the tail light circuits on the vehicle with a circuit tester, item # 40376 if needed. Once you have the proper circuits identified you will connect the white...
    view full answer...
  • Recommended Trailer Wiring Harness for 2008 Toyota Yaris Hatchback
    I do have a solution for you, however there is not a wiring harness currently available for your 2008 Toyota Yaris that will plug in without splicing into the vehicle wiring. I recommend the Tekonsha Upgraded Circuit Protected Tail Light Converter Hardwire Kit # 119178KIT. This kit will include everything you need to install a 4-Way connector on the vehicle that will power a trailer's signal lights. A circuit tester is even included to assist with locating the correct wires to splice...
    view full answer...
  • Can a 3-Wire to 2-Wire Trailer Wiring Harness Converter be Bypassed
    The only way to bypass a 3-wire to 2-wire trailer wiring harness converter (assuming your vehicle has a 3-wire or separate tail light system) would be to convert your trailer to a 3-wire (or separate) tail light system. This means you will need a separate tail light circuit, brake light circuit, and turn signal circuits on the trailer. You will also need to use either a 5-way, 6-way or 7-way style trailer connector on your trailer and tow vehicle and substitute one of the pins for the additional...
    view full answer...

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  • Highest quality wiring for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate wiring information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    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

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

Info for this part was:

Employee Joe V
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Joe V
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Shane T
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Randy B
Employee Robert C
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Robert C
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Jackie C
Employee Mike L
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Mike L
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Jameson C
Employee John H
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John H
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Adam R
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Andrew K
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Wilson B
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Isabelle B
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Installed by:
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Video Edited:
Joshua S
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Jacob T
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Sue W
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Video Edited:
Chad S

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.