What Is The Correct Trailer Wiring Harness For My 2022 Toyota Highlander  

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There are two wiring harness setups for your 2022 Toyota Highlander. There is a tow package setup and one without the tow package setup.

If you have the tow package on your 2022 Toyota Highlander, you will need the T-One Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector, part # TK74FR. This wiring harness connects without cutting or splicing wires, it is a plug and play harness. This harness plugs in behind the rear bumper. Once it is plugged in you will have 4-way connector that will allow your trailer to mirror your brake lights, turn signals, and running lights.

You can also get a 4-way connector if you do not have a tow package on your 2022 Toyota Highlander. I recommend the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit, part # 119250KIT. This wiring harness can also be installed without cutting or splicing wires, it attaches via your trailer's signal lights. It also comes with a circuit tester to help with installation.

You do not need anymore trailer wiring, unless you will be towing a trailer with electric brakes. In order to tow a trailer with electric brakes, you will need a 7-way connector. I recommend the Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires, part # ETBC7. Installing this kit will get you a 7-way connector for your 2022 Toyota Highlander, which sets you up with power to a brake controller, the mirroring of your reverse lights, and a 12v power source. If you are looking for a brake controller, I recommend the Redarc Tow-Pro Elite Trailer Brake Controller - 2 Braking Modes - 1 to 3 Axles - Proportional, part # RED44FR. This is a brake controller with a custom wiring harness for your 2022 Toyota Highlander.

I have included product descriptions, an installation video link, and video demo links below.

expert reply by: Mark Smith

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