Trailer Wiring Connector (7-pin) - gm-trucks Jan 24, 2015In 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.Constant 12v Power to 7pin TrailerJun 05, 20187 Pin Trailer Plug Questions - 2014Mar 15, 2018How do you remove the 7 pin trailer hitch cable - 2014May 09, 2016No Power At Trailer 7 Pin ConnectorOct 19, 2009See more results SilveradoSierra • 7 pin plug wiring. why not from the Nov 27, 2011Why does gm not hook up the 12volt power for the 7 pin connector from the factory?? Is it just another way that they would try to get some money out of people that dont want to mess with the wiring on their truck?? It seems like a really dumb thing that a truck is delivered with a 7 pin connector but is not able to be used without modifications.
Related with chevy truck trailer wiring 7 pin not working