Buick Regal VI (2017-2020) radio keypad button signal wiring diagram

BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CENTER INSTRUMENT PANEL SPEAKER DISPLAY SIGNAL (-) GRN WIRE GRN/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE INFO DISPLAY MODULE KEYPAD RED LED CONTROL WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LVDS NAVIGATION DISPLAY DIMMING CONTROL NCA WIRE PASSENGER DOOR HARNESS) RADIO CONTROLS RADIO DISPLAY BACKLIGHT DIMMING CTRL RADIO DISPLAY BACKLIGHT LOW REFEREN RADIO DISPLAY TOUCH REQUEST SIG RADIO KEYPAD BUTTON SIG RADIO KEYPAD BUTTON SIGNAL RADIO KEYPAD DIMMING CONTROL RADIO KEYPAD DIMMING CTRL RADIO KEYPAD GROUND RETURN RADIO KEYPAD GROUND RTN RADIO KEYPAD LOW REF RADIO KEYPAD LOW REFERENCE RADIO KEYPAD POWER SIG RADIO KEYPAD POWER SIGNAL RADIO KEYPAD VOLTAGE REF RADIO KEYPAD VOLTAGE REFERENCE RADIO VOLUME DOWN SIG RADIO VOLUME DOWN SIGNAL RADIO VOLUME UP SIG RADIO VOLUME UP SIGNAL RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE