Buick LaCrosse III (2016-2019) dc dc batt 2/awd fuse Wiring diagrams

BATT POS BATT POS VOLT BLK WIRE BODY CONTROL MODULE BRN WIRE CENTER CONSOLE COMPARTMENT LAMP COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG INADVERTENT PWR CTRL DEFEAT SW SIG INTERIOR LAMP CTRL DC DC BATT 2/AWD FUSE DK BLU WIRE DRIVER DOOR ACCENT LAMP DRIVER DOOR HANDLE FLOOD LAMP DRIVER DOOR PULL HANDLE FLOOD LAMP FUSE 10 FUSE 18 FUSE 5 GRN/GRY WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL FUSE BLOCK LED AMBIENT LIGHTING CTRL 1 LID LAMP CTRL NCA WIRE PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER DOOR PULL HANDLE FLOOD LAMP POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR COMPARTMENT COURTESY LAMP RED/DK BLU WIRE RED/DK GRN WIRE RED/GRY WIRE RED/YEL WIRE REGULATED SERIAL DATA (-) (1) SPLY VOLT 2 UNDERHOOD FUSE BLOCK VOLT W/ STOP/ START SYSTEM W/ STOP/START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DATA BUS 4 DC DC BATT 2/AWD FUSE DK BLU/BLK WIRE DK BLU/VIO WIRE DK GRN/GRY WIRE DK GRN/YEL WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH GRY WIRE HOT AT ALL TIMES LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LOGIC LOGIC DRIVER WINDOW MOTOR LR DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY POSITIVE VOLT POWER SUPPLY TRANSFORMER RED/DK BLU WIRE RED/YEL WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SERIAL DATA (+) (3) SPLY VOLT 1 STATUS SIG SW SIG UNDERHOOD FUSE BLOCK UNLOCK SIG VIO WIRE VIO/BLK WIRE VIO/YEL WIRE W/ START/STOP SYSTEM WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/DK GRN WIRE

A/C COMPRESSOR CLUTCH RELAY A/C HEV FUSE ACC IGN VOLT ACC IND ACC LED SIG BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE BRN/BLK WIRE CHARGE IND CTRL COOL FAN FUSE DC DC BATT 2/AWD FUSE DK BLU/BLK WIRE DK BLU/LT GRN WIRE DK GRN/BLK WIRE EBOOST/COOL FAN LT FUSE ENGINE CONTROLS IGNITION RELAY ENGINE START/ STOP FOG LAMP FUSE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 8) FROM MOBILE DEVICE WIRELESS CHARGER MODULE (DIAGRAM 5 OF 8) FRONT FOG LAMP RELAY FUEL MDL FUSE FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRY WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY HORN RELAY IGNITION MODE SWITCH ILL KEYLESS ENTRY CONTROL MODULE LEFT COOLING FAN MOTOR LOW REFERENCE LT GRN WIRE NCA WIRE REAR DEFOGGER RELAY REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR WINDOW WASHER PUMP RELAY RED/BRN WIRE RED/DK BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COOLING FAN MOTOR RR HTD SEAT/ BSM/ESS FAN FUSE RUN/CRANK IGN 1 VOLT START IND START LED SIG START SW SIG 2 STARTER RELAY SUSPENSION CONTROL MODULE SW MODE VOLT TO FRT HEATED SEAT FUSE (DIAGRAM 4 OF 8) TO FUSE 27 (DIAGRAM 5 OF 8) TO IGNITION MAIN RELAY (DIAGRAM 8 OF 8) TO RETAINED ACCESSORY POWER RELAY (DIAGRAM 5 OF 8) TO TCM/ ECM FUSE (DIAGRAM 6 OF 8) TO WNDW MIR SEAT FUSE (DIAGRAM 3 OF 8) TRANSMISSION RANGE CONTROL MODULE TRCM FUSE VIO/BLK WIRE VIO/YEL WIRE WASH PUMP FUSE WINDSHIELD WASHER PUMP RELAY YEL WIRE YEL/GRN WIRE

BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DATA BUS 4 DC DC BATT 2/AWD FUSE DK BLU/BLK WIRE DK BLU/VIO WIRE DK GRN/GRY WIRE DK GRN/YEL WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH GRY WIRE HOT AT ALL TIMES LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LOGIC LOGIC DRIVER WINDOW MOTOR LR DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY POSITIVE VOLT POWER SUPPLY TRANSFORMER RED/DK BLU WIRE RED/YEL WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SERIAL DATA (+) (3) SPLY VOLT 1 STATUS SIG SW SIG UNDERHOOD FUSE BLOCK UNLOCK SIG VIO WIRE VIO/BLK WIRE VIO/YEL WIRE W/ START/STOP SYSTEM WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/DK GRN WIRE

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM DC DC BATT 2/AWD FUSE DIFFERENTIAL CLUTCH PUMP (UNDER REAR OF VEHICLE ON DIFFERENTIAL) DK BLU WIRE DK BLU/YEL WIRE HI CTRL SIG HI SPD GMLAN DATA BUS (+) 1 BATTERY POSITIVE VOLT HI SPD GMLAN DATA BUS (+) 1 GND HI SPD GMLAN DATA BUS (+) 2 HI SPD GMLAN DATA BUS (-) 1 HOT AT ALL TIMES LOW REF (1) LOW REF 2 PPL PPL/WHT WIRE REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR DIFFERENTIAL CLUTCH SOLENOID VALVE RED WIRE RED/BLK WIRE RED/BRN WIRE RED/DK BLU WIRE RED/DK GRN WIRE RED/WHT WIRE RR HTD SEAT/ BSM/ESS FAN FUSE SERIAL DATA COMM ENABLE SIG (1) SIG (2) SIG 3 SPLY VOLT PPL LOW REF U PHASE UNDERHOOD FUSE BLOCK V PHASE W PHASE WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/ORG WIRE

BATT POS VOLT BLK WIRE BODY CONTROL MODULE (UNDER FRONT CONSOLE) BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DC DC BATT 2/AWD FUSE DELAY SWITCH DK BLU WIRE DK GRN/BRN WIRE DRIVER INFORMATION CENTER DISPLAY FRT WPR FUSE FUSE 20 FUSE 41 GRY WIRE GRY/LT GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 1 LOGIC LOW SPD GMLAN SERIAL DATA 2 OFF MIST POWER SUPPLY TRANSFORMER RED/BRN WIRE RED/DK BLU WIRE RED/YEL WIRE SPLY VOLT 1 UNDERHOOD FUSE BLOCK W/O START/STOP SYSTEM W/ START/STOP SYSTEM WASH PUMP FUSE WASHER SWITCH WHT WIRE WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LO REF WINDSHIELD WIPER SW LOW SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH YEL WIRE