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Tekonsha T-One Vehicle Wiring Harness Installation - 2018 GMC Terrain Video

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Products Featured in this Video


T-One Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector


Tekonsha Custom Fit Vehicle Wiring

189 reviews


Code: 118285

Retail: $57.10

Price:  $21.50
  • Custom Fit Vehicle Wiring
  • Trailer Hitch Wiring
  • Powered Converter
  • Custom Fit
  • 4 Flat
  • Tekonsha



Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-One connector plugs directly into OEM tow package harness - no cutting, splicing or tapping required.


Do you have a question about part 118285?more information >     


How to Install the Tekonsha T-One Vehicle Wiring Harness on a 2018 GMC Terrain


Today in our 2018 GMC Terrain we're gonna be installing Tekonsha's T1 vehicle wiring harness, part number 118285. This harness is gonna plug into your trailer to provide it with all the necessary lighting. You simply plug in your four pole connector from your vehicle to your trailer, and it'll now provide all the necessary lighting, which includes your left turn signal, right turn signal, tail… see more >     


Info for this part was:

Employee Joshua S
Video by:
Joshua S
Employee Jonathan Y
Video by:
Jonathan Y
Employee David F
Video by:
David F
Employee Aidan B
Video by:
Aidan B
Employee Jacob T
Video Edited:
Jacob T
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Cole B
Installed by:
Cole B
Employee Robert C
Test Fit:
Robert C
Employee Ryan G
Test Fit:
Ryan G
Employee Thomas T
Test Fit:
Thomas T

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