Chevrolet Silverado GMT K2XX (2013-2015) gmlan serial data Wiring diagrams

4 6 BATT POS VOLT GND 6 4 GND BATT POS VOLT BACK IND BCK, CUSH BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOL IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER MEMORY/ HEATED, COOLED SEAT SWITCH DRV HEAT COOL CTRL DRV HEAT COOL SW SIG DRV HEAT HI TEMP CTRL DRV HEAT LO TEMP CTRL DRV HEAT MID TEMP CTRL DRV SEAT BACK CTRL DRV ST BCK, CSH CTRL GMLAN SERIAL DATA GROUND DISTRIBUTION SYSTEM GRY WIRE HI IND HOT AT ALL TIMES I/P FUSE BLOCK LO IND LOW REFERENCE LT BLU WIRE LT GRN/BLK WIRE MEMORY SW DIM CTRL MID IND ORG/ WIRE PAS HEAT COOL CTRL PAS HEAT COOL SW SIG PAS HEAT HI TEMP CTRL PAS HEAT LO TEMP CTRL PAS HEAT MID TEMP CTRL PAS SEAT BACK CTRL PAS ST BCK, CSH CTRL PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER HEATED, COOLED SEAT SWITCH PDM FUSE 9 PNK LOW REFERENCE WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL DRV SEAT BACK CTRL PPL PAS HEAT BACK CTRL RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SEAT BACK) SEAT COOL SEAT HEAT TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 22 SIG CTRL PARK LAMP SIG 13 7 5 VPLT REF DIMMER SW LO REF 3 1 18 9 BATT POS VOLT BATT POS VOLT CARGO LPSW SIG DIMMER SW SIG BATT POS VOLT BCM 1 FUSE BLOCK FUSE (LOWER LEFT SIDE OF DASH) BCM 5 FUSE BCM 6 PANEL FUSE FUSE BLOCK (IN RIGHT END OF DASH) BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG INTR LP DEFEAT SW SIG LIGHTING CTRL 2 GND DK BLU WIRE DK BLU/RED WIRE DOME LAMP SWITCH GMLAN SERIAL DATA GRY WIRE GRY/GRN WIRE GRY/LT GRN WIRE HEADLAMP SWITCH HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH INTR LP CTRL LED AMBIENT LIGHTING CTRL 1 LF DR AJAR SW SIG LR DR AJAR SW SIG LT GRN/BRN WIRE LT GRN/GRY WIRE OVERHEAD CONSOLE ACCENT LAMP RED/BRN WIRE RED/WHT WIRE RF DR AJAR SW SIG RIGHT INSTRUMENT RR DR AJAR SW SIG STANDING LP RLY CTRL VIO/LT GRN WIRE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRY 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

7 3 SUPPLY VOLT LOW REF BATT POS VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DDM FUSE 4 DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR GMLAN SERIAL DATA GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, LOGIC LOW REF ORG/ WIRE PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE 9 POWER DISTRIBUTION SYSTEM REAR DEFOGGER IND REAR DEFOGGER SWITCH RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA SUPPLY VOLT WHT WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BUS 12 COAX COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GROUND HOT AT ALL TIMES INFO DISPLAY MODULE RADIO/HVAC DISPLAY CONTROLS INSTRUMENT PANEL JUNCTION BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE MUTE NCA WIRE NETWORK NETWORK BUS 10 NETWORK BUS 9 RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROLS SWITCH SOURCE STEERING WHEEL AIR BAG COIL STR WHL CNTRL FUSE UP DOWN USB USB 3 4 5 VOICE VOL VOL WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BUS 12 COAX COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GROUND HOT AT ALL TIMES INFO DISPLAY MODULE RADIO/HVAC DISPLAY CONTROLS INSTRUMENT PANEL JUNCTION BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE MUTE NCA WIRE NETWORK NETWORK BUS 10 NETWORK BUS 9 RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROLS SWITCH SOURCE STEERING WHEEL AIR BAG COIL STR WHL CNTRL FUSE UP DOWN USB USB 3 4 5 VOICE VOL VOL WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BUS 12 COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GROUND HOT AT ALL TIMES INFO DISPLAY MODULE RADIO/HVAC DISPLAY CONTROLS INSTRUMENT PANEL JUNCTION BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE MUTE VOICE NCA WIRE NETWORK NETWORK BUS 10 NETWORK BUS 9 RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROLS SWITCH SOURCE UP DOWN STEERING WHEEL AIR BAG COIL STR WHL CNTRL FUSE VOL (-) WHT/YEL WIRE YEL/BLU WIRE