How to install a 7-Way With a 4-Way Connector and a Brake Controller on a 2017 Toyota Highlander

Updated 01/06/2017 | Published 01/05/2017

Products Featured in This Question

Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires

(3398)

$121.18

Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional

(6644)

$156.06

Loctite RTV 598 High-Performance Silicone Gasket Maker - Black - 2.7-Fl Oz Tube

(186)

$8.99

Question:

I just bought a new 2017 Highlander with a tow package and wiring for a 4-way connector. Am looking to convert the 4-way to both 4-way and 7-way with a decent brake controller as well. What would be my best option with parts that you carry? Thank you

asked by: Christine S

Expert Reply:

To convert the 4-Way wiring harness to a 7-Way and 4-Way wiring harness on your 2017 Toyota Highlander, I recommend using the Universal Install Kit # ETBC7. This will plug right into your factory tow package wiring and includes a bracket for the 7-Way and 4-Way harness for easy installation at the rear of your Highlander. There is a little bit of drilling that you will have to do under your dash so that you can run some of the wiring to your brake controller. I recommend using the Loctite Silicone Gasket Maker # LT37467 to seal off any openings after you run the wiring.

For a brake controller I recommend using the Tekonsha Prodigy P3 # 90195. It will work for trailer with up to 4 axles and features a 360-degree vertical plane operating range, which means that it is pretty versatile when it comes to the installation. It also has a lifetime warranty.

I have included a help article as well as a video where we installed both of these products on a 2013 Highlander.

expert reply by: Jon G