Buick Regal V (2009-2013) stack data low wiring diagram

AUDIO SIG (3) AUX AUDIO SCREEN AUX DET SIG AUXILIARY AUDIO INPUT (W/ AUDIO INTERFACE) BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLU WIRE CENTER SIG CENTER STACK HIGH COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRY WIRE GRY/GRN WIRE HEADLAMP SWITCH LADDER SIG 1 LEFT AUX SIG LEFT STEERING WHEEL CONTROLS SWITCH LF SPEAKER (+) LF SPEAKER SIG (-) LOW REF LR SPEAKER (+) LR SPEAKER SIG (-) MUTE NCA WIRE NETWORK BUS ORG/ WIRE RADIO RED/GRN WIRE RF SPEAKER (+) RF SPEAKER SIG (-) RIGHT AUX SIG RIGHT STEERING WHEEL CONTROLS SWITCH RR SPEAKER (+) RR SPEAKER SIG (-) SEEK UP SERIAL DATA SOURCE SEEK DOWN STACK DATA LOW STACK RESET SIG STACK SHIELD STEERING WHEEL AIR BAG COIL SW REF VIO WIRE VOICE VOICE SIG VOL VOL WHT WIRE WHT/RED WIRE YEL WIRE