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Parts Needed to Add 7-Way and Brake Controller to 2019 Chevrolet Blazer  

Updated 05/24/2026 | Published 05/20/2026

Question:

I have a 2019 Chevy blazer with a 4-pin connector. I am purchasing a tear camper with electric brakes. Thus, I need a 7-pin connector. I also need a brake controller. Please advise what kit works for my vehicle. Thanks.

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Expert Reply:

Hey Linda! To add a 7-way to your 2019 Chevy Blazer you need the Curt T-Connector Vehicle Wiring Harness # C56326. This will replace your existing 4-way using the factory connections on your vehicle.

Then for a brake controller, I recommend the Redarc Tow-Pro Liberty # RED52VR. The Liberty is simple, reliable, and doesn't take up space in the cab. Since a custom brake controller wiring harness doesn't exist for the Blazer, you will have to use the universal wiring harness and splice for installation.

If you would prefer a plug an play installation, the Redarc Tow-Pro Link # RED57AR is another option. This plugs in-line with the 7-way at the rear. It comes with a remote that is powered using a USB port, and also functions through the app. This brake controller features their new SwayStop technology for sway control with the push of a button.

What kind of tear camper are you getting?

expert reply by:
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Robin H
Tow-Pro Liberty Control Knob
Tow-Pro Liberty Control Knob
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Linda profile picture

Linda

5/23/2026

Runaway rangerunner. Thanks so much for your help.

Robin H. profile picture
Etrailer Expert

Robin H.

5/24/2026

@Linda you're welcome, happy to help!

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