How Much Voltage Is On Cold Side Wire Of Vehicle Stop Light Switch?

Question

Question:

What voltage is suspected on stoplight switch when pedal is pushed

asked by: Bert G

1

Helpful Expert Reply:

The cold side wire of the stop light switch that only has power when the brake pedal is pressed has a full 12 volts.

Using a circuit tester like # PTW2993 will help you find the correct wire to connect your controller to.

I included a link to a helpful article on installing a trailer brake controller for you to take a look at.

expert reply by: Samuel C

1

Answer 1

The Tech Bulletin that you were looking at, see link, is the best resource we have for installing a brake controller on the 2006 Volkswagen Touareg. I think that I can expand on the instructions a bit to make a bit of sense out of the wording, and…

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Answer 2

When installing a Tekonsha Prodigy or Tekonsha P-3 Brake Controller, part #90195, on a 2005 to 2008 Volkswagen Touareg, a relay is needed to prevent an erratic display on the brake controller. Apparently to activate the lamp out bulb on your…

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Answer 3

I cannot speak for the VW Trailer Wiring Harness 3CN055203A but the Curt T-Connector Vehicle Wiring Harness part #C56383 that we offer plugs in behind the tail lights so it will not require any reprogramming/coding. The VW Trailer Wiring Harness you…

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Answer 4

It sounds like you are trying to add a 7-way trailer connector to a 2021 Volkswagen Atlas and if that's the case we have some great options. That said, you'll have to start with a 4-way, the T-One Vehicle Wiring Harness part #118754 is…

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Answer 5

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 6

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 7

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 8

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 9

You do have the option to utilize the air brakes on your 2023 Freightliner Cascadia to control electric trailer brakes using the Hayes Air Actuated Trailer Brake Controller, part #HA100400C. However, we mostly recommend just using an electric brake…

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Answer 10

If you have a vehicle specific wiring harness for a brake controller then that would indicate that you have a factory tow package and subsequently would already have a 7-way at the back of your vehicle. The universal 7-way connector #ETBC7 is meant…

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Answer 11

Hey Antoine, so the two kits you mentioned are actually really similar and honestly I would go with the part #ETBC7 if I were you. The #ETBC7L is basically the same thing minus a couple wires and breakers so you may as well get the kit that has…

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Answer 12

The first thing you will need for your 1999 D250 is a 4-way. The Curt T-Connector Vehicle Wiring Harness #C55317 plugs into the connection points behind your rear bumper and will allow you to power your trailer's signal lights. Once the 4-way is…

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How Much Voltage Is On Cold Side Wire Of Vehicle Stop Light Switch?

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