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Trailer Wiring Connector (7-pin) - GM-Trucks
In 2014 GM decided to install their trailer wiring connector upside down on the Silverado/Sierra. The 7-pin connectors are designed so that after you plug in your trailer the flap comes back down on top of the plug and there is a small latch on the flap that hooks over a corresponding bump in the plug to prevent it from coming out.
Trailer Wiring Problem - Trailers, Hitches, & Towing - GM
In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, This make the problem with the wiring on the Tahoe and it appears to just be with the trailer wiring connector or wiring to the connector. Scroll down to the 7-Pin diagram:
Click to view on Bing2:37this video shows how to get the +12 volts working on your 7 pin trailer lighting connector. step by step fix instructions. 2006 silverado and similar gm vehi wiring a 7 pin trailer plugAuthor: Steve OViews: 177K
Click to view on Bing2:342007 1500 chevrolet silverado trailer light troubleshoot break lights left turn signal right gm turn signal problem fix how to fix not having +12 volts on you 7 pin trailer lightingAuthor: Andy ScottViews: 109K
This will allow you to hook up your old trailer to a new truck, or bring home a new commercially built trailer without any wiring hassles. The 7-blade connectors are the most widely used, and even if you don’t need it now – you will save yourself the hassle of upgrading at a
Trailer Wiring Diagram - Wiring Diagrams For Trailers
Rewiring or wiring a trailer? Not sure about the wiring the 7 pin connections? Use this handy trailer wiring diagram for a quick reference for various electrical connections for trailers. Eliminate hours of frustration by using our trailer testing equipment and quickly identify problems in the wiring of the trailer.

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