I need to know the colors of my tail light, brake light Mar 15, 2010I need to know the colors of my tail light, brake light and turn signal wires in my 07 chevy silverado. Submitted: I am trying to hook up trailer lights on a 2004 Chevy Trailblazer. I have an adapter that goes from a Chevy 7 pin connector to a flat 4 pin connector. need to get a dighram of 96 chevy tail light wiring colors to hard wire Chevy Color Code for Dummies | The H.A.M.B. wwwpyjournal››The Hokey Ass Message BoardSep 11, 2015This is a list of the Chevy Color code as recognized by most wiring companies. This is by no means absolutely complete as Chevy changed things here and there as well as had different color codes for options such as Power Windows or Air Conditioning.