How to Connect Brake Controller Brake Light Wire on 2022 Toyota Highlander

Question

Question:

Hello, Could you please tell me where to attach the red wire on a brake controller in this vehicle. The wires that feed the brake switch are extremely small. Thanks

asked by: Dalton

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Expert Reply:

For your application I actually recommend using the Roadmaster Universal Stop Light Switch Kit # RM-751000 to send a brake signal to the brake controller. I looked up the online version of the owner's manual for your 2022 Toyota Highlander but it didn't indicate what color you'll connect that red wire to. This universal kit basically creates that signal for you so you don't have to tap into your OEM wiring.

expert reply by: Jon G

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Answer 1

The first thing you will need to do to get a 7-way and brake controller installed on your 2022 Toyota Highlander is to get a 4-way connector. The T-One Vehicle Wiring Harness with 4-Pole Flat #TK99FR will be plug directly into existing wiring located…

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Answer 2

If you connect the trailer brake light circuit to the trailer brake circuit your brakes would lock up immediately since 12 volts is max braking voltage for trailer brakes. You'd need a brake controller that can vary voltage so that you can apply…

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Answer 3

There is no brake output circuit on a 4-Way to activate electric trailer brakes so you would have to install a 7-Way on the tow vehicle. To do this I recommend #ETBC7. With it you will plug in the 4-Way to get the lighting functions for the trailer…

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Answer 4

We have just what you need. You can use the Universal Installation Kit for Trailer Brake Controller #ETBC7 to adapt your 4-way connector into a 7-way. You can use the No-Drill Mount Bracket #18136 to attach the 7-way bracket included in the #ETBC7 to…

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Answer 5

There are a few troubleshooting steps to help you figure out why you have no power. I would start by making sure that there is not any corrosion or debris blocking your connection points. If they are clean or still no power after cleaning, I would…

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Answer 6

When installing a trailer brake controller like the excellent Tekonsha Prodigy P3 #90195 that you were looking at, the red wire from the controller needs to be connected to the cold side of the brake light switch. This is the wire behind the brake…

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Answer 7

A dedicated brake switch circuit will be active at the third brake light of a vehicle as well as at the brake pedal switch. Or we have the universal stoplight switch kit part #RM-751000.

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Answer 8

As long as the 7-way connector on your 2021 Volkswagen Atlas has 12v power the Autowbrake Electric Brake Controller - Trailer Mount - 1 to 3 Axles - Proportional #3430001 you were looking at will work just fine and is a great option as it installs on…

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Answer 9

Installing brake controllers can be pretty involved depending on your vehicle and on Volkswagen Tiguan vehicles installation is a even more so. I am attaching a general brake control help article and a particular article for Volkswagen installs to…

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Answer 10

The RedArc Tow-Pro Elite #RED44FR is comparable in reliability and performance to the Tekonsha Prodigy P3 #90195. The difference is really in the design and features. One of the greatest aspects of the P3 is the LCD screen and presets. One of the…

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Answer 11

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 12

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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