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Where Is Brake Controller Install Wiring for 2021 Chevy Suburban  

Updated 07/26/2024 | Published 01/26/2022

Question:

I cant seem to locate where my brake controller harness plugs into on my 2021 suburban rst with factory tow package. I had my whole under dash removed and I dont see any open ports to plug harness in or even loose wires to hard wire. I had dash off from steering wheel down.

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Expert Reply:

I attached a picture of where you'll find the brake controller install wiring on your 2021 Chevy Suburban that you can use to install a controller like the Brake EVN # TK63VR.

expert reply by:
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Jameson C
Location of Wires for 2021 Chevy Suburban Brake Controller Install
Location of Wires for 2021 Chevy Suburban Brake Controller Install
(click to enlarge)
Eric profile picture

Eric

7/26/2024

E Trailer sent me a pigtail to plug in to my 2021 Chevy suburban where does it plug-in at?

Jameson C. profile picture
Etrailer Expert

Jameson C.

7/26/2024

@Eric Did you look at the picture above? That would be where to look.
Eric profile picture

Eric

7/26/2024

@JamesonC Yes I did, I had to order a different pig tail

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