Wiring Harness for 2016 Chevy Silverado With Upside Down Factory Trailer Connector
Updated 09/08/2021 | Published 12/16/2019
Question:
Is there a fix for upside down wire plug receiver on the Chevy trucks from 2014-2018? The plug won’t stay in tight because GM mounted it upside down! The stop is on the bottom rather than the top so it falls out enough to make the trailer wire connection light come on. A big screw up on GM’s part!
asked by: Brian H
Expert Reply:
The upside down factory trailer connector on certain model year Chevy and GMC trucks is one of those little details that people (rightfully) get aggravated with, so you're definitely not alone. There is a solution for you, assuming you have room to mount a new harness on your Chevy's hitch.
The Reese Multi-Plug Wiring Harness for Factory Tow Package - 7-Way and 4-Way Flat Trailer Connectors # 74682 will do the job perfectly, as you'll simply unplug the connector from your upside down factory 7-way and install this one on your Silverado. You can use Mounting Bracket # 18140 with it, and I also highly recommend using Dielectric Grease # 11755.
I have added a link to a video showing this harness being installed on a Chevy Silverado so you can see for yourself how it's done.
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Curtis D.
4/8/2020
I have the same upside down plug on my 2014 Silverado. Tekonsha brake controller installed by the trailer dealer from beginning. No issues on six trips with a travel trailer. Last trip, brake controller went crazy at times listing short, no brakes, etc. Made it home safely but the issue must be resolved before I consider going out again. I watched the video and am having difficulty reconciling the inverted plug on the truck and the trailer connector. I cant believe a special cord for the Silverado was installed by the trailer manufacturer. Seems like the wiring would be a bit askew if the plug had to be rotated 180 degrees. Can you clarify this please?