Parts Needed To Add A Trailer Wiring Harness To a 2008 Mercedes-Benz GL450

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Question:

Will one of your products work with a 2008 Mercedes GL450

asked by: Tim

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Expert Reply:

I do have options for you but there are no plug-in trailer wiring harnesses for a 2008 Mercedes-Benz GL450 unfortunately. The only way to install a trailer wiring harness would be to splice into the taillight circuits with the Hopkins Active Tail Light Converter with Install Kit part # 46255 and then add the Adapter 4-Pole to 7-Pole and 4-Pole part # 37185 if you need a 7-way.

expert reply by: Conner L

0

Answer 1

Hey Stephen! There are no direct adapters but we can pair two together to make this work. You can plug the Hopkins Plug-In Trailer Connector Adapter #HM54RV into your 4-way which will convert it to just the light functions on a 7-way. Then plug the…

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Answer 2

I reached out to my contact at Tekonsha and there are a few things that could be causing the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit #119250KIT you installed on your 2014 Audi AllRoad to have…

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Answer 3

The LED tail lights on your 2017 Mercedes-Benz GLS 450 will have 5 wires for the turn signal, brake light, running light, reverse light and a ground wire. You will want to use the tester that comes with the ZCI Circuit Protected Vehicle Wiring…

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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 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 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

The only difference between 7-Way Utility and 7-Way RV is the color of the wires. The pin outs are the exact same so either would work just fine with the other. If you check out the picture I attached you'll see that the functions are all the…

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Answer 9

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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Answer 10

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 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

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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Parts Needed To Add A Trailer Wiring Harness To a 2008 Mercedes-Benz GL450

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