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Trailer Wiring Harness Installation - 2016 GMC Terrain 118494 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

162 reviews


Code: 118494

Retail: $87.11

Price:  $57.61
  • 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 wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring system.


Do you have a question about part 118494?more information >     


How to Install a Trailer Wiring Harness on a 2016 GMC Terrain 118494


Today on our 2016 GMC Terrain, we'll be taking a look at and installing the Tow Ready T-One Vehicle Wiring Harness, with 4-Pole Flat Trailer Connector, part number 118494. Now we'll go ahead and test out our wiring to make sure that it's all working properly. Go ahead and connect our ground to the ground post. Then our brown wire here is going to be your taillight circuit. It should have a solid… see more >     


Info for this part was:

Employee Zack K
Video Edited:
Zack K
Employee Joshua S
Video Edited:
Joshua S
Employee Jacob T
Video Edited:
Jacob T
Employee Chris R
Video Edited:
Chris R
Employee Nicholas E
Test Fit:
Nicholas E
Employee Jared G
Test Fit:
Jared G
Employee Matthew S
Test Fit:
Matthew S
Employee Brent H
Test Fit:
Brent H
Employee Shane H
Test Fit:
Shane H
Employee Robert C
Test Fit:
Robert C
Employee Kathleen M
Video by:
Kathleen M
Employee Jonathan Y
Video by:
Jonathan Y
Employee Cole B
Installed by:
Cole B

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