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Install Video to Use for Tekonsha Trailer Wiring Harness on 2017 Toyota Sienna


I can locate two installation videos for the tekonsha wiring harness. One for the 2017 Toyota Sienna deviates from the printed instructions and runs wiring outside the passenger compartment. Another installation video for the 2019 Sienna runs wiring inside the passenger compartment. Would the video for the 2019 Sienna be appropriate for installation of the wiring harness on a 2017 Sienna?


Expert Reply:

I attached the install video we shot for the Tekonsha trailer wiring harness part # 118648 on a 2017 Toyota Sienna. I would recommend following it as a guide completely and you'll have no issues with the harness and would be installing it in a way that wouldn't void the warranty.

expert reply by:
Jameson C

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