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Parts Needed to Add 7-Way to 2021 Toyota Highlander XLE With 4-Way From Factory Tow Package  

Updated 10/06/2024 | Published 10/05/2024

Question:

I have a 2021 Toyota Highlander XLE comes factory with the tow package but only offers a 4-pin I am purchasing a camper trailer and need to convert this 4-pin to a 7-pin and install trailer brakes. What can I do?

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Expert Reply:

Hello Joshua; it looks like you already figured this out. Since you already have a 4-way the only thing you need is the Universal Installation Kit for Trailer Brake Controller # ETBC7 you ordered. This comes with the adapter, wiring, breakers, and everything else required to upgrade a 4-way to a 7-way. It will allow you to install the Curt Spectrum Brake Controller # C72RV you also ordered. With the 7-way and brake controller you will be able to use the brakes on your trailer.

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Robin H
Joshua profile picture

Joshua

10/6/2024

I really appreciate the clarification! What’s the average install time for this, I am Savy with wiring I did car audio in my lifetime is the install somewhat similar?

Robin H. profile picture
Etrailer Expert

Robin H.

10/6/2024

@Joshua I would expect it to take at least 2-3 hours. I attached an installation video on a 2019 Highlander below so you can check out the process. For the brake controller you also need to figure out where to mount the main unit behind the dash and where you want to install the knob.

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