Parts Needed to Install Brake Controller in 2016 GMC Terrain
Updated 04/04/2017 | Published 04/03/2017
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Question:
wiring diagram for 2016 GMC Terrain to install brake controller, before I order one controller ? Thanks
asked by: Don
Expert Reply:
To install a brake controller in your 2016 GMC Terrain will require hardwiring since the vehicle did not come pre-wired for installing a brake controller.
You will need to start with a 4-way (if you do not have one). For that you would want the # 118494.
From there you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this product as well.
For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup.
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