Car Wiring Diagrams for Courtesy lamps circuit for GMC Sierra IV (2018-2022)
Courtesy lamps circuit (1 of 2)
BLK WIRE
BLK/WHT WIRE
BLU WIRE
BODY CONTROL MODULE
COMPUTER DATA LINES SYSTEM
COURTESY LP SW SIG
DOME/READING LP CONTROL
DOME/READING LP DISABLE SW SIG
DOUBLE, CREW CAB
DRIVER DOOR HANDLE FLOOD LAMP
DRIVER DOOR LATCH ASSEMBLY
DRIVER WINDOW MOTOR LOGIC
FRONT OVERHEAD CONSOLE ASSEMBLY
FRT FOOTWELL ACCENT LIGHTING CONTROL
GND 11
GRN/YEL WIRE
GRY WIRE
GRY/GRN WIRE
HI SPD GMLAN SERIAL DATA (-) (1)
HOT AT ALL TIMES
INADVERTENT LOAD CTRL
INTR DOOR HANDLE ACCENT LIGHTING CTRL
LF DR AJAR SW SIG
LOGIC
NCA WIRE
PASSENGER DOOR HANDLE FLOOD LAMP
PNK WIRE
RED/GRN WIRE
RED/WHT WIRE
RED/YEL WIRE
RF DR AJAR SW SIG
RIGHT INSTRUMENT PANEL FUSE BLOCK
SECONDARY FUSED BATT POSITIVE VOLTAGE 34
SECONDARY FUSED BATT POSITIVE VOLTAGE 51
VIO/GRN WIRE
W/ FORWARD COLLISION ALERT, FULL VIDEO DISPLAY MIRROR
W/ POWER OPERATED, EXPRESS UP/DOWN
W/O FORWARD COLLISION ALERT, FULL VIDEO DISPLAY MIRROR
W/O POWER OPERATED, EXPRESS UP/DOWN
WHT WIRE
WHT/BRN WIRE
WHT/YEL WIRE
Courtesy lamps circuit (2 of 2)
BLK WIRE
CENTER CONSOLE COMPARTMENT LAMP
COMPUTER DATA LINES SYSTEM
DOUBLE, CREW CAB
GRN/GRY WIRE
GRN/YEL WIRE
GRY WIRE
LEFT REAR DOOR LATCH ASSEMBLY
LEFT REAR WINDOW SWITCH LOGIC
LEFT SUNSHADE
LEFT SUNSHADE MIRROR LAMP
LOGIC
PASSENGER DOOR LATCH ASSEMBLY
PASSENGER WINDOW MOTOR LOGIC
PASSENGER WINDOW SWITCH LOGIC
RED/YEL WIRE
RIGHT REAR DOOR LATCH ASSEMBLY
RIGHT REAR WINDOW SWITCH LOGIC
RIGHT SUNSHADE
RIGHT SUNSHADE MIRROR LAMP
W/ POWER OPERATED WINDOW W/O EXPRESS UP/DOWN
W/ POWER OPERATED, EXPRESS UP/DOWN
W/O POWER OPERATED WINDOW
WHT/BRN WIRE