Installing 7-Way Trailer Connector on 2019 Toyota Highlander Hybrid

Question

Question:

What is the recommended components, setup, and installation instructions to connect up a 7-way travel trailer for a 2019 Toyota Highlander Hybrid. The models and systems have changed over the years and I need to know the proper ones and install for a 2019 version. Thanks!

asked by: Stuart F

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Expert Reply:

The particular parts you need to install a fully-functioning 7-Way on your 2019 Toyota Highlander Hybrid will depend on what exactly it's already equipped with.

Either way you will need to start by adding a 4-Way connector harness. If your Highlander has the factory tow package I recommend the Curt T-Connector # 56042. If it does not have the tow package you will want the Curt T-Connector # C56217 instead.

Both custom harnesses install by simply plugging into existing ports on the Highlander for a bona fide "plug-and-play" process. If you aren't sure whether or not you have the tow package my best recommendation is to simply give your local Toyota dealer a call with your VIN and they will be able to tell you this pretty quickly.

Then with the 4-Way in place I recommend using the Universal Wiring Kit # ETBC7 to upgrade it to a functional 7-Way. This kit includes the connector itself that will just plug into the existing 4-Way, along with all the wiring, circuit breakers, and quick-splice connectors needed to both make this conversion and install a separate brake controller (if needed).

If the trailer you plan on towing is equipped with electric brakes you will also need to add a brake controller. For this I highly recommend the Tekonsha Prodigy P3 # 90195 along with the diode harness # 7865. This controller offers the best display on the market with easy-to-read messages (not codes like on other controllers) and storable settings that help you to maintain comfortable braking on various trailers (if applicable) or simply different user preferences.

I have attached a few video demonstrations on these products that you can check out as well.

expert reply by: Chris R

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Answer 1

The Tekonsha OEM Replacement Vehicle Wiring Harness part #22119 is the correct option to add a 7-way trailer connector to a 2019 Toyota Highlander without tow package. If you don't already have a compatible brake controller I recommend the…

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Answer 2

Hey Antoine, so the two kits you mentioned are actually really similar and honestly I would go with the part #ETBC7 if I were you. The #ETBC7L is basically the same thing minus a couple wires and breakers so you may as well get the kit that has…

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Answer 3

For some reason Toyota isn't very forthcoming with how to figure out if you have the tow package or not. From my understanding all of the V6 models of the 2019 Toyota Highlander have the tow package but it isn't specified as to what else…

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Answer 4

I would be happy to help you set up your 2022 Toyota Highlander to haul your new travel trailer. The wiring harness you currently have controls your trailer's lighting functions only. You do not need to rewire your Toyota you just need another…

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Answer 5

To determine if a 2017 Toyota HIghlander has a factory towing harness, start by opening up the rear hatch. Then, lift up on the rear compartment panel and pull it out. Remove the two driver-side panels by pulling up on them. There, you may see a…

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Answer 6

Since from what it sounds like, your Highlander doesn't have the factory tow package that includes a 7-way on the rear bumper, you'll need to do a hardwire installation. For starters, you'll need a functional 4 pole trailer wiring…

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Answer 7

To add a 7-Way connector to your 2017 Toyota Highlander which already has a 4-Way installed you will just need a few parts. First for the 7-Way you can use #37185. This will add the 7-Way and retain the 4-Way should you need it. If your trailer does…

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Answer 8

If you already have the 4-Way wiring harness installed on your 2017 Toyota Highlander, than all you will need to do is install the Universal Installation Kit #ETBC7. If you do not already have a 4-Way at the rear of your Highlander, and if you have…

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Answer 9

If you have a 5.30-12 tire size on your trailer currently I can safely recommend any of the 5.30-12 trailer tires we offer knowing that they will fit your rims. The part #AM10068 would be a great tire for you to use as it has a Load Range of D and…

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Answer 10

We do offer plenty of choices in replacement 5.30-12 special trailer tires. All options can be viewed by clicking on the linked page. Kenda #AM10068 is a Load Range D-rated 5.30-12 bias ply tire with a ply rating of 8 and a load capacity of 1250-lbs…

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Answer 11

In order to install a 7-way on a 2021 Toyota Highlander I recommend the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part #TK99FR and then the 4 to 7-Way with 4-Way Adapter part #ETBC7L. In regards to the installation of the…

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Answer 12

I think you are going in the right direction. I would definitely replace the 14 gauge wire going to the trailer brake magnets with 10 gauge wire or larger. Usually larger than 10 gauge is hard to get into the trailer connector though. I would also…

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Installing 7-Way Trailer Connector on 2019 Toyota Highlander Hybrid

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