How To DIY Install Trailer Light Wiring On A 2015 Tesla Model S

The internet failed me on this project! I installed a Tekonsha (119250) T-Connector Trailer Light Wiring Harness on my 2015 Tesla Model S 85D and Tekonsha doesn't provide any specific instructions regarding which wire is for which light sensor. After many hours of troubleshooting over several weeks I finally figured it out and now I can tow trailers! In this video I'll share my findings to help you out on your own trailer hitch installation!

In a previous video I outline the why and costs associated with the installation    • Why I Installed a Trailer Hitch AND T...   of both the trailer hitch and trailer light wiring

This is my trailer hitch installation instruction video    • How to DIY Install a Torklift EcoHitc...  

Parts I used for this project:
- EcoHitch Stealth from Torklift https://torkliftcentral.com/2012-2016...
For a list of all parts I used go here https://www.amazon.com/shop/anthonydu...

For links to all the charging adapters, equipment, electronics, cameras, camping gear, RV accessories, etc that we use in our videos see our Amazon Store https://www.amazon.com/shop/anthonydu...

All materials and tools I used in the trailer electrical system retrofit are listed in this spreadsheet: https://docs.google.com/spreadsheets/...

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Chapters
0:00 Introduction
1:45 Routing the 12 Volt Positive Wire
3:51 How To Remove The Frunk
4:58 The Tow Point Screw
5:21 Removing The Frunk
6:33 Connecting To The 12 Volt Battery
9:17 Verifying The Connection
9:32 Figuring Out Which Wires To Use
12:33 I Figured Out The Running Light Wire
13:49 Where The Running Light Clamp Fits
14:19 How All The Wires Are Routed
14:56 How To Get The Side Plastic Off
15:19 Secure The Wires
17:10 Where The Wires Come Out
18:29 How The Corner Piece Comes Off
18:52 Getting The Rubber Seal Back In Place
19:06 How To Get Off The Inner Side Plastic
19:42 Finished!