GMC Sierra III (2013-2015) Headlights circuit

17 12 8 11 HDLP OFF HDLP ON PRK LMP AMB LGHT 18 25 HDLP DIM SW SIG FLASH TO PASS 23 11 DRL RLY FOG LMP RLY 2500 2501 COMPUTER DATA LINES SYSTEM 8 9 SERIAL DATA + SERIAL DATA - BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT CHEVROLET DK BLU WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT (OR ORG) WIRE DK GRN/WHT WIRE DRL 2 FUSE 33 FUSE 30 FLASH TO PASS SWITCH FOG LP SW FUSE 10 GASOLINE DIESEL GMC GRY WIRE HDLP LO/HID RELAY HEADLAMP DIMMER SWITCH HI BEAM PCB RELAY HI BEAM RLY HI HEAD- LAMP LT FUSE 32 FUSE 29 HI HEAD- LAMP RT FUSE 30 FUSE 21 HOT AT ALL TIMES LEFT FRONT SIDE MARKER LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LO BEAM RLY LO HDLP LT FUSE 11 LO HDLP RT FUSE 16 FUSE 15 LOWER LEFT PARK/TURN SIGNAL LAMP LOWER RIGHT PARK/TURN SIGNAL LAMP LT BLU WIRE LT GRN/ BLK WIRE LT GRN/BLK (OR ORG) WIRE LT GRN/BLK WIRE ORG/ WIRE PK BRAKE SIG PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RIGHT FRONT SIDE MARKER LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP SIDE OF DASH) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TO FOG LAMP RELAY (DIAGRAM 2 OF 2) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (DIESEL: RIGHT SIDE OF FIREWALL) UPPER LEFT PARK/TURN SIGNAL LAMP UPPER RIGHT PARK/TURN SIGNAL LAMP WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL FUSE 31 FUSE 28 DRL PCB RELAY FOG LAMP FUSE 26 FUSE 25 FOG LAMP IND FOG LAMP RELAY FOG LAMP SWITCH FROM HDLP LO/HID RELAY (DIAGRAM 1 OF 2) GASOLINE DIESEL GMLAN SERIAL DATA GROUND DISTRIBUTION HEAD PARK AUTO HEADLAMP, PANEL DIMMER SWITCH HI-BEAM IND INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 FUSE 43 LEFT FRONT FOG LAMP (IF EQUIPPED) LEFT I/P JUNCTION BLOCK LOGIC LT BLU WIRE LT GRN/BLK WIRE MANUAL A/C AUTOMATIC A/C OFF OFF HEAD ORG/ WIRE PARK AUTO PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT FRONT FOG LAMP SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE