14-18 Sierra Frameless Mirror Harness

Have you already purchased a frameless mirror and just need the harness to allow it's proper operation?  This is the harness you need.  This harness will allow for the auto dimming and OnStar features to function on the auto-dimming frameless mirror. Designed to work on 2014-2018 models only with either the 7" screen radio(IOB) or the 8 inch screen (IO5/IO6).  Please select your appropriate radio option from the drop down menu.  We will also check your vin# to confirm the order for you

YOUR TRUCK MUST CURRENTLY HAVE THE AUTO-DIMMING MIRROR IN IT, IF IT DOES NOT PLEASE CONTACT US FOR A CUSTOM HARNESS BUILD

INSTALL INSTRUCTIONS P1-

INSTALL INSTRUCTIONS P2-