What to do if the wires in your wall dont match Aug 12, 2011What to do if the wires in your wall dont match the color code on your new connector. zacsmith Aug 12, (Plain Old Telephone Service) color code which will be a 4 or 6 wire cable with a red,green,black yellow colored wires and additional white and blue wire if it is a 6 wire. And Category-Rated color code which is a 8 wire cable that Color coding on line does not match jack color coding The line going into the old phone jack has orange, green, blue and 3 white wires in it. Bought a new jack at Radio Shack and the colors of the wires in the replacement jack are red, green, black and yellow. Verizon repair was at best, snotty in telling me "we cannot tell you how to do repairs over the phone." They wanted an arm and a leg to come out to do the repair.