Courtesy lamps circuit, crew cab & up level for GMC Sierra 2500 HD (2002-2012)

BLK WIRE BLU WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY JUNCTION BLOCK BODY RELAY (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) BODY RELAY BLOCK BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) CARGO LAMP CARGO LP SW DOME LP SW DOME LP DFT CARGO/ FOG LAMP SWITCH CONSOLE COURTESY LAMP (SIERRA DENALI) COURTESY LAMP RELAY CTSY LP FUSE CTSY LP RLY LAMP REQUEST DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DEFEAT SWITCH DOME LAMP SWITCH DRIVER DOOR COURTESY LAMP GAS DIESEL GRY WIRE GRY/BLK WIRE HEADLAMP DIMMER SWITCH HOT AT ALL TIMES I/P COMPART- MENT LAMP I/P JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) INADVERT RLY INADVERTENT POWER RELAY LEFT I/P COURTESY LAMP LEFT I/P FUSE BLOCK LEFT REAR DOOR COURTESY LAMP (CREW CAB) LEFT VANITY MIRROR LAMP OFF ON ORG/ WIRE OVERHEAD CONSOLE PPL READING LAMPS RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT I/P FUSE BLOCK RIGHT REAR DOOR COURTESY LAMP (CREW CAB) RIGHT VANITY MIRROR LAMP TO BODY RELAY BLOCK (DIAGRAM 2 OF 2) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UNDERHOOD LAMP WHT WIRE

BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) COURTESY/ READING LAMP CREWCAB DOME DOME LAMP DRIVER DOOR LOCK SWITCH DRIVER MINI WEDGE SWITCH EXCEPT CREWCAB FRONT PASSENGER MINI WEDGE SWITCH LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE READING RIGHT I/P FUSE BLOCK SIERRA DENALI SWITCH SIG TO BODY RELAY BLOCK (DIAGRAM 2 OF 2) WHT WIRE

BASE CREWCAB BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) DK BLU WIRE DK BLU/WHT WIRE DRIVER DOOR LOCK SWITCH DRIVER MINI WEDGE SWITCH DRIVER SWITCH FRONT PASSENGER MINI WEDGE SWITCH LEFT I/P FUSE BLOCK LEFT REAR MINI WEDGE SWITCH ORG/ WIRE PASS SWITCH REAR SW RIGHT I/P FUSE BLOCK RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) RIGHT REAR MINI WEDGE SWITCH TAN WIRE UPLEVEL CREWCAB WHT WIRE