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T-One Vehicle Wiring Harness Installation - 2023 Chevrolet Trailblazer Video

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Products Featured in this Video


T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector


Tekonsha Custom Fit Vehicle Wiring

19 reviews


Code: TK39FR

Retail: $146.65

Price:  $114.25
  • Custom Fit Vehicle Wiring
  • Trailer Hitch Wiring
  • Converter
  • Custom Fit
  • 4 Flat
  • Tekonsha



Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring system.


Do you have a question about part TK39FR?more information >     


How to Install the T-One Vehicle Wiring Harness on a 2023 Chevrolet Trailblazer


Hi, John with etrailer. If you're looking for a safe, reliable and fairly easy way to add 4-pole trailer wiring to your Trailblazer, and check out the Tekonsha T-One 4-pole trailer wiring system that we installed in our 2023 Chevrolet Trailblazer. So with this kit you're gonna get the 4-pole flat wiring. This is one of the most common trailer wiring harnesses out there, especially if you don't… see more >     


Info for this part was:

Employee Joshua S
Video by:
Joshua S
Employee Thomas T
Video by:
Thomas T
Employee Ethan H
Video by:
Ethan H
Employee Jacob T
Video Edited:
Jacob T
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Michael B
Installed by:
Michael B
Employee Ryan G
Test Fit:
Ryan G
Employee Bradley B
Test Fit:
Bradley B
Employee John A
Test Fit:
John A

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