Three Ways to Find Stoplight Switch Circuit for Install of Brake Controller

Question

Question:

Where can I access the cold side of the brake petal for the red wire to the controller? Is there another place to tap into, it’s near impossible to tap near the switch. Thanks

asked by: William R

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Expert Reply:

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.

expert reply by: Jameson C

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Answer 1

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 2

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 3

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…

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Answer 4

Assuming you have trailer brakes on your trailer, you will need a brake controller in order to operate them. If you do have brakes, I would recommend using them. Different states have different requirements based on weight so you will want to check…

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Answer 5

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 6

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 7

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 8

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 9

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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Answer 10

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 11

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 12

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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