Which Wire Has Brake Light Circuit for Brake Controller Install in a 2015/2014 Mercedes Sprinter

Question

Question:

got a sprinter in my shgop with no factory tow package so im hard wiring it and cant find the cold side of the brake switch??

asked by: Trucksmart

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Expert Reply:

We installed a brake controller in a 2014 Mercedes Sprinter just like your (see video link below), and we found that the correct wire was behind the brake pedal and was a pink wire with a green stripe. Fast forward to the 17:43 mark of the video and you'll see our installer testing and finding it.

The kit used to install the controller is the part # ETBC7 and the brake controller is the P3 part # 90195.

expert reply by: Jameson C

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Answer 1

As long as your 2019 Mercedes-Benz Sprinter 2500 has a factory plugin connection point for the adapter part #3063-P you will not need to make any modifications to the adapter, it will plug right in into the factory plug and the other end to a…

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Answer 2

Hey Jacobus glad you asked your question and congrats on the new RV! You are going to be way overrated if you use a 1,500 lbs or 1,000 lbs tongue weight rated weight distribution system. Bigger in this situation is definitely not going to be better.…

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Answer 3

What you need to install the Tekonsha Primus IQ brake controller part #TK90160 for the red wire is a dedicated stoplight circuit that is only active when the brakes are applied. You can use a circuit tester like part #PTW2993 to determine which of…

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Answer 4

There are some wires that are hot all of the time which is why we usually try to emphasize that the brake controller, like the Prodigy P3 #90195, needs to be connected to the cold side of the stop light switch when installing the Kit #ETBC7.…

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Answer 5

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 6

You are 100 percent correct with what you need to add a brake controller to your 2012 Mercedes-Benz Sprinter with the 4-way and then 7-way: - T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #118650 - Universal Installation Kit for…

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Answer 7

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 8

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 9

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 10

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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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

Both the Roadmaster and Blue Ox tow bars are great options. But if it was my decision to make I would go with the Blue Ox Avail part #BX7420 as we have found that the Blue Ox tow bars are a little easier to connect and disconnect from. Also this tow…

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Which Wire Has Brake Light Circuit for Brake Controller Install in a 2015/2014 Mercedes Sprinter

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