Buick Envision I (2016-2018) Navigation circuit

AMP FUSE AUDIO AMPLIFIER AUDIO COMMON SIG AUDIO SCREEN 2 AUXILIARY AUDIO INPUT (INSIDE CENTER CONSOLE COMPT) BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DETECTION SIG DISPLY FUSE ENTERTAINMENT FUSE 37 GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LH AUDIO SIG (2) LO SPD GMLAN SER DATA LOGIC MOST CTRL MOST SER DATA (+) N/W SER DATA BUS 10 NCA WIRE ONSTAR FUSE RADIO REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE REMOTE ENABLE SIG REMOTE ENABLE SW RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH AUDIO SIG (2) STEERING WHEEL AIR BAG COIL STR/WHL/ CNTRL FUSE UGDO FUSE USB USB BK USB GY VIO WIRE VOICE LOW REF VOICE SIG W/ PREMIUM 6 SPEAKER SYSTEM W/ PREMIUM AUDIO BRANDED AMPLIFIER SPEAKER SYSTEM WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

AUDIO LO REF AUDIO SIG + BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE CAMERA SIG 2 CELL COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DATA BUS 10 DATA BUS 5 GPS GPS/CELL 2 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SER DATA - HUMAN MACHINE INTERFACE CONTROL MODULE (UNDER RIGHT SIDE OF INSTRUMENT PANEL) INFOTAINMENT FACEPLATE CONTROL MODULE LEFT FRONT DOOR SPEAKER LO REF LO SPD GMLAN LOGIC LOW REF MOST CTRL MOST SER DATA (+) N/W SER N/W SER DATA BUS 5 NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE REAR VIEW CAMERA CIRCUIT RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER SER DATA SER DATA (+) 9 SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB SER DATA VOICE LOW REF VOICE RECOGNITION VOICE SIG W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA LINES SYSTEM CTRL 2 DATA BUS 12 DOWN GRN WIRE GRN/BLK WIRE HANG UP SWITCH IND DIMMING LEFT LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT STEERING WHEEL CONTROLS SWITCH N/W SER PHONE SW RED/BLU WIRE RIGHT RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT STEERING WHEEL CONTROLS SWITCH LOGIC SEEK DOWN SEEK UP SEL STEERING WHEEL HEATING CONTROL MODULE SW LED CTRL VIO/BRN WIRE VOICE COMMAND VOICE RECOGNITION SWITCH VOL (-) W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

1 LOW REF 1 SIG 2 LO REF 2 SIG 3 LOW REF 3 SIG AM/FM AUDIO AMPLIFIER BK-1 BK-2 BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE COAX COAX BK AM/FM COAX GD XM COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE FRONT CEN SPKR CTRL (+) FRONT CEN SPKR SIG (-) GPS GPS/CELL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPKR (-) CTRL (1) LF SPKR SIG (-) (1) LF TWEETER SPKR CTRL (+) LF TWEETER SPKR SIG (-) LO SPD GMLAN SER DATA LR SPEAKER (+) CTRL LR SPKR (-) CTRL LR SPKR SIG (-) NAVIGATION ANTENNA SIGNAL SPLITTER NOISE RED 1 LO REF WIRE NOISE RED 1 SIG WIRE NOISE RED 2 LO REF WIRE NOISE RED 2 SIG WIRE NOISE RED 3 LO REF WIRE NOISE RED 3 SIG WIRE RADIO RADIO ANTENNA RADIO ANTENNA AMPLIFIER REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED WIRE RF SPEAKER (-) CTRL 1 RF SPKR (-) CTRL (1) RF SPKR SIG (-) (1) RF TWEETER SPKR CTRL (+) RF TWEETER SPKR SIG (-) RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR DOOR SPEAKER ROOF REAR ANTENNA RR SPEAKER (+) CTRL RR SPKR (-) CTRL RR SPKR SIG (-) SENS SIG SER DATA (-) (1) VIO/BLU WIRE VIO/BRN WIRE VT-1 VT-2 W/ DIGITAL AUDIO SYSTEM W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM W/O DIGITAL AUDIO SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE