Brake Light Wire on 2015 Mercedes GLK 350 to Install a Trailer Wiring Harness

Question

Question:

Tester accurately detects Land R turn wires, but when braked, both turn signal liters hit tester, but no other terminal does. What do I do for the brake connected?

asked by: John R

0

Expert Reply:

In some situations on vehicles with multiplex wiring systems like your 2015 Mercedes GLK 350 the brake light signal can only be obtained at the center high mount stop lamp. So if you cannot find the right circuit at the tail lights then try the third brake light at the top, center of the rear of the vehicle.

expert reply by: Michael H

0

Answer 1

According to the owners manual for the 2015 Mercedes GLK-Class the 250 and 350 both max out at 3,500 pounds gross trailer weight. Check the towing a trailer section of the manual to confirm. Even if a trailer hitch is rated higher the vehicle would…

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Answer 2

There is one trailer hitch that fits the 2015 Mercedes GLK250. It is Curt trailer hitch #C13155. But this hitch does require drilling for installation. There aren't any no-drill options. I have included a link to the instructions so you can see…

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Answer 3

The Curt Trailer hitch part #C13190 does not fit a 2015 Mercedes Benz GLK 250. For the 2015 Mercedes Benz GLK 250 you need a Curt Hitch part #C13155. If you need wiring I recommend ZCI Circuit Protected Vehicle Wiring Harness part #119250KIT because…

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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

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 7

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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Answer 8

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 9

Hi David! There are quite a few hitches offered for your 2026 Honda Odyssey, so I definitely understand wanting to know the differences. There are basically three styles available for you and I have them broken out below: Exposed Crosstube: etrailer…

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Answer 10

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 11

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 12

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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Brake Light Wire on 2015 Mercedes GLK 350 to Install a Trailer Wiring Harness

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