Installing Trailer Brake Controller on 2018 Chevy Traverse

Question

Question:

Do you know if the 2018 Chevy Traverse without the trailer kit still come with the blunt cut wires? If so, are the wrapped up within the other wiring, and need taken out?

asked by: ChevyLover

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Expert Reply:

Based on my research it does look like the 2018 Chevy Traverse is equipped with blunt cut wires beneath the dash for installing a trailer brake controller as part of its standard package. To be certain of this you can visit a local Chevy dealer with your VIN and they will be able to tell you exactly what the vehicle was equipped with at the factory or you can simply check the appropriate location inside the Traverse to see if the wiring is present.

On the 2018 Traverse the blunt cut wires should be inside the front driver side instrument panel, below the headlamp switch. These wires are most likely taped to a larger black harness and they will need to be pulled free. If present, there will be a blue wire (brake output to 7-Way), a red/black or red/blue wire (12V power), a white/blue wire (brake input signal), and a black wire (ground).

Once you locate these wires you just need to hardwire in a brake controller such as the excellent Tekonsha Prodigy P3 # 90195. The blue wire from the P3 will go to the blue wire on the Traverse, the red wire will go to the white/blue wire, the black wire will go to the red/black or red/blue wire, and the white wire will go to the black wire.

If you don't yet have a 7-Way connector at the rear of the vehicle I recommend the Tekonsha T-One # 118287. This will plug right into a factory port beneath the Traverse on the driver side. I have attached an installation video you can use for reference. I do still recommend checking to make sure this port is present on your Traverse before ordering the harness.

Please just let me know if you cannot locate the blunt cut wires for the brake controller and I will be happy to recommend the additional items you will need.

expert reply by: Chris R

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Answer 1

Curt has started using new brackets for their brake controllers, and that is also true for the Curt Venturer NEXT Trailer Brake Controller #C74VV. To mount this, all you have to do is put the included adhesive tape onto the included bracket and stick…

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Answer 2

Most likely you blew a fuse if the brake controller screen one day stopped working. But that also depends on how the controller was installed. Basically the black wire of the brake controller needs to have 12 volts ran to it and the white needs to…

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Answer 3

According to my research, you are not alone in having a difficult time finding the factory trailer brake controller wiring on your 2018 Buick Enclave. I was able to find a tech bulletin on your Buick Enclave that describes exactly where the wiring…

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Answer 4

I checked with Tekonsha and they state that your 2019 Buick Enclave with the factory tow package (factory 7-way) can have a brake controller installed but there isn't factory wiring so you'll need to hardwire it to the vehicle. For that you…

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Answer 5

I know you said you checked the fuses, but did you check the third brake light fuse? That's typically what causes the stoplight circuit for a brake controller install on a 2018 Chevy Traverse to stop functioning.

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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

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 8

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 9

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 10

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Answer 11

Page 297 of the online owner's manual for the 2017 Buick Enclave indicates that both the front-wheel-drive and all-wheel-drive automatic transmission versions can be flat-towed from the front(also called dinghy towing) but they CANNOT be dolly…

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Installing Trailer Brake Controller on 2018 Chevy Traverse

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