How Does Trailer Wiring Install on a Vehicle Where Brake and Taillight are on the Same Wire

Question

Question:

With the Golf GTI, the Brake light and tail light are the same globe but different voltage are applied. How do you stop the tail lights getting full voltage when you brake.

asked by: Michael

1

Helpful Expert Reply:

You have what is called multiplexed wiring for the wiring of the taillights of your 2012 Volkwagen GTI. The trailer wiring kit part # 119250KIT is designed to work with this setup so what you will need to do is run the yellow wire of the harness to the left turn wire, the green wire to the right turn wire and then run the red wire to the brake/taillight circuit of the vehicle. You will note that the brown wire is not used.

The converter box of the # 119250KIT will be able to interpret the signal appropriately and apply the correct taillight functions of the trailer.

expert reply by: Jameson C

1

Answer 1

When installing your wiring to your 2011 MK6 Golf the wiring should match up with Curt Wiring #C56236. The green wire goes to the right turn signal. The yellow wire goes to the left turn signal. The white is the ground wire. The black wire goes to…

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Answer 2

Yes, we do Jay! It is the Replacement Hardware Kit for Trailer Hitches item #RHK. This will have all of the hardware you need to install the Curt Hitch item #C14017, you were looking at. You will want to go to the item #RHK product page and on the…

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Answer 3

Replacement hardware is available. You will need part #RHK. Once on the product page, just type in the Hitch Item Number in the box on the right. Then use the pull down menu below that to select the manufacturer. Then just click the Add to Cart…

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Answer 4

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 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 main difference between the Curt Trailer Hitch Receiver part #C13416 and the EcoHitch Hidden Trailer Hitch Receiver part #EH97FR is that the EcoHitch has a completely hidden cross tube whereas the Curt cross tube will be visible from the rear of…

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Answer 7

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 8

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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Answer 9

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 10

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 11

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Answer 12

Hey Ricardo! Yes, the Curt Trailer Hitch Receiver #C82RJ is the hitch Curt is working on for the new 2027 Telluride. This is a pre-order since Curt hasn't finished the design. It does not include wiring. The wiring harness for the 2027 is also up…

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How Does Trailer Wiring Install on a Vehicle Where Brake and Taillight are on the Same Wire

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