Buick LaCrosse II facelift (2013-2016) w/ custom interior package lamp Wiring diagrams

3 4 BATT POS VOLT BATT POS VOLT 4 17 5 BATT POS VOLT IND DIM CTRL HAZ LED 7 13 TRUNK LP CTRL INADVERTENT PWR CTRL BCM 7 BCM 2 FUSE BLOCK FUSE FUSE (LOWER LEFT SIDE OF DASH) BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) CENTER CONSOLE COMPARTMENT LAMP CENTER CONSOLE COMPARTMENT LAMP SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SOUND SYSTEMS DIM SIG LED AMBIENT LIGHTING CTRL DIMMER SWITCH DRIVER DOOR COURTESY FOG LAMP SWITCH FUSE 32 GRN/GRY WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/GRN WIRE GRY/LT GRN WIRE HEADLAMP SWITCH HOT AT ALL TIMES INSTRUMENT PANEL INSTRUMENT PANEL COMPARTMENT LAMP INTR LP CTRL INTR LP DEFEAT SW SIG COURTESY LP SW SIG PUDDLE LAMP SUPLY VOLT 19 8 LAMP LEFT REAR DOOR COURTESY LEFT SUNSHADE LEFT SUNSHADE MIRROR LAMP LEFT TAILLAMP ASSEMBLY LIFT GATE AJAR SW SIG LIGHTING CTRL SW SIG LIGHTING CTRL SW REF LT GRN/GRY WIRE LT GRN/YEL WIRE NCA WIRE NETWORK BUS 3 NETWORK BUS 4 PASSENGER DOOR COURTESY REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID LATCH (IN TRUNK LID) RED/BRN WIRE RED/DK GRN WIRE RED/WHT WIRE RIGHT REAR DOOR COURTESY RIGHT SUNSHADE RIGHT SUNSHADE MIRROR LAMP UNDER HOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE VIO/BRN WIRE VIO/GRY WIRE W/ CUSTOM INTERIOR PACKAGE LAMP WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE CIRCUIT COURTESY LAMP DOME LAMP SWITCH DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REARVIEW MIRROR LAMP ASSEMBLY GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/GRN WIRE GRY/LT GRN WIRE INSTRUMENT ILLUMINATION INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT FRONT DOME/ READING LAMPS LEFT TAILLAMP ASSEMBLY LT GRN/BRN WIRE ORG/BLK WIRE PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REARVIEW MIRROR LAMP ASSEMBLY REAR DOME/READING LAMPS REAR PARKING ASSIST CONTROL MODULE (CENTER OF REAR PACKAGE SHELF) RIGHT FRONT DOME/ READING LAMPS RIGHT INSTRUMENT PANEL SPLICE PACK W/ CUSTOM INTERIOR PACKAGE LAMP WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 6 5 RR DOOR AJAR SW SIG NETWORK BUS 4 AJAR SW SIG BLK WIRE BRN WIRE CENTER CONSOLE CUPHOLDER ACCENT LAMP COMPUTER DATA LINES SYSTEM DRIVER DOOR HANDLE FLOOD LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR PULL HANDLE FLOOD LAMP GRN/YEL WIRE GROUND DISTRIBUTION GRY WIRE HANDLE FLOOD LAMP LEFT INSTRUMENT PANEL ACCENT LAMP LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR PULL HANDLE LAMP LEFT REAR WINDOW SWITCH LEFT TAILLAMP ASSEMBLY LT GRN/GRY WIRE LT GRN/YEL WIRE NCA WIRE NETWORK BUS 3 OVERHEAD CONSOLE ACCENT LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR) PASSENGER LEFT REAR DOOR DOOR PULL HANDLE FLOOD LAMP HANDLE FLOOD LAMP RED WIRE RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT REAR DOOR HANDLE FLOOD LAMP RIGHT REAR DOOR PULL HANDLE LAMP RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SYSTEM W/ CUSTOM INTERIOR PACKAGE LAMP WHT WIRE WHT/YEL WIRE YEL/ WHT WIRE

BLK WIRE BLOWER MOTOR CONTROL MODULE BODY CONTROL MODULE BRN WIRE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER DRIVER SEAT SEAT ADJUSTER LUMBAR SWITCH SUPPORT PUMP DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT LUMBAR SUPPORT VALVE ASSEMBLY DRIVER WINDOW MOTOR FROM SPLICEPACK GRY/BLU WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LEFT REAR DRIVER WINDOW WINDOW SWITCH SWITCH PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER PRESENCE MODULE PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT LUMBAR SUPPORT VALVE ASSEMBLY PASSENGER WINDOW MOTOR RIGHT REAR SEAT COURTESY LAMP RIGHT REAR WINDOW SWITCH W/ 4 WAY MANUAL PASSENGER ADJUSTER SEAT W/ ADAPTIVE CRUISE CONTROL W/ CUSTOM INTERIOR PACKAGE LAMP W/ FRONT PASSENGER VENTILATED SEAT W/ MEMORY W/ MULTI-DIRECTIONAL POWER ADJUSTER PASSENGER SEAT W/O ADAPTIVE CRUISE CONTROL W/O MEMORY