HOW TO FIX NOT HAVING +12 VOLTS ON YOU 7 PIN TRAILER 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..Author: Steve OViews: 168K Trailer Wiring Connector (7-pin) - 2014-2018 Silverado 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. 2015 Silverado Trailer Wiring Diagram | Trailer Wiring Diagram Sierra Trailer Wiring – Today Wiring Diagram – 2015 Silverado Trailer Wiring Diagram by Bismillah. 5-Pin Connector; This 5-pin trailer wiring diagram is great for trailer which has large capacity. But, it does not have as sophisticated and electrical intensive characteristics that Chevy 7 Pin Trailer Wiring Diagram | Trailer Wiring Diagram Chevy 7 Pin Trailer Wiring Diagram – 2000 chevy 7 pin trailer wiring diagram, 2005 chevy silverado 7 pin trailer wiring diagram, 2014 chevy silverado 7 pin trailer wiring diagram, People understand that trailer is a vehicle comprised of very complicated mechanisms. 2015 Chevrolet Silverado 3500 Trailer Wiring | etrailer Call 800-298-8924 to get Expert Service ordering a Trailer Wiring for your 2015 Chevrolet Silverado 3500. Complete installation instructions and lifetime technical support on all Trailer Wiring purchases. Lowest price guarantee on accessories for your Chevrolet Silverado 3500 and the fastest shipping available. 2015 Chevrolet Silverado 1500 Trailer Wiring | etrailer Call 800-298-8924 to get Expert Service ordering a Trailer Wiring for your 2015 Chevrolet Silverado 1500. Complete installation instructions and lifetime technical support on all Trailer Wiring purchases. Lowest price guarantee on accessories for your Chevrolet Silverado 1500 and the fastest shipping available. 2015 Chevy Silverado Hitch Wiring | Harnesses, Adapters Chevy Silverado With Factory 7-Way 2015, 90 Degrees 5th Wheel and Gooseneck Wiring Harness by Bargman®. Limited 1-Year Warranty. 7-Way 90 degree connector molded to heavy duty 7-way insulated cable for 5th wheel or gooseneck trailer.. Trailer Wiring Question - 2015-2019 Silverado & Sierra HD So, on my 2015.5, I installed a Tailgate Light that simply plugs into the 4 pin socket on the Factory wiring plug right below the 7 pin. I would like to splice that connection on the back behind the bumper so A: you don't see it plugged in, and B: so it does not block the 7 pin plug.