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Parts Needed to Add Brakes to 3,500 lb Trailer and Install Brake Controller in 2007 GMC Sierra

Question:

I currently have a 2019 6 x 12 Loom enclosed trailer. I would like to add trailer brakes to it. It is a single axle trailer. Unfortunately I havent had a chance to look underneath to see what the sticker is on the axle. However, I know that trailer is rated for 3,500 lbs. What would it cost and what parts would I need to do this job? The trailer has a standard 4 pin wiring hookup. Also, I have a 2007 GMC Sierra 1500 which would also need a brake controller. It already has a 7 pin wire hook up in the back of my truck. That is wear I pull power for the lights on the trailer currently. I am currently researching what it would cost to do the job.

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Helpful Expert Reply:

We can definitely get your trailer setup with brakes as well as install a brake controller in your 2007 GMC Sierra as well.

Since we basically know you have 3,500 lb axles on your trailer what you'll need is a set of hub/drums like the part # AKHD-545-35-EZ-K for if you have a 5 lug bolt pattern (you should) and then for brake assemblies you'd want the part # 23-26 for the left hand side and # 23-27 for the right hand side. From there you'll need to run wiring up to the trailer connector. For this you'll want 10 gauge wire like part # 10-1-1 (sold by foot).

So then to upgrade your trailer wiring to a 7-way the best option is the part # e99011 which gives you a junction box you'll mount on the trailer frame and a 7-way connected to it. This gives you an easy way to organize and install the new wiring without creating a big mess or wiring.

So next you'll need a brake controller in your 2007 GMC Sierra that has a factory 7-way. For that the # TK63VR is the best option. You get the performance and reliability of the more expensive controllers at a much better price. This installs by connecting to the brake controller wiring under your dash which I attached a help article on for more info as well as there is some under hood connections that need to be made as well.

I also attached a help article on adding electric brakes to a trailer for you to check out too.

helpful expert reply by:
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Jameson C

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