GMC Sierra III (2013-2015) blu Wiring diagrams

BACKUP LAMPS CIRCUIT BATTERY FUSE BLOCK (ENGINE COMPT, TOP RIGHT) BCM 1 FUSE BCM 3 FUSE BCM 7 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA DRIVER INFORMATION CENTER DISPLAY FUSE 4 GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER IPC FUSE LAMP LEFT BACKUP LAMP LEFT INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT LEFT INSTRUMENT PANEL JUNCTION BLOCK LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LOGIC LT GRN WIRE MARKER LAMP POSITIVE BATT POWER DISTRIBUTION SYSTEM REAR BODY JUNCTION BLOCK RED/GRY WIRE RED/LT GRN WIRE RED/WHT WIRE RIGHT BACKUP RIGHT LOWER TAIL/STOP, RIGHT REAR SIDE RIGHT TAIL LAMP ASSEMBLY RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP SER GMLAN LO SPD SIDE OF DASH) TURN SIGNAL LAMP VIO/GRY WIRE VIO/WHT WIRE VOLT YEL/BLU WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CHMSL FUSE DK BLU WIRE DK GRN WIRE GRN/VIO WIRE GRY/BRN WIRE HEADLIGHTS SYSTEM LT BLU WIRE LT GRN LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL PRK LMP LT FUSE PRK LMP RT FUSE REAR BODY JUNCTION BLOCK RED WIRE RED/LT GRN WIRE RIGHT FRONT PARK LAMP RIGHT HEADLAMP ASSEMBLY RIGHT LOWER PARK/TURN SIGNAL LAMP RIGHT MULTI-FUNCTION LED CONTROL MODULE HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT UPPER PARK/TURN SIGNAL LAMP STOP LAMP RELAY TRAILER PARK LAMPS RELAY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/GRY WIRE VIO/WHT WIRE WHT 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

2 1 RF SPKR (+) (1) SPEAKER + 6 5 4 3 RF SPKR (-) (1) SPEAKER - BATT POS VOLT LF SPKR (+) (1) 8 7 GROUND LF SPKR (-) (1) AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BLK WIRE BLK/ YEL WIRE BLU (OR DK BLU) WIRE BLU WIRE BLU/ YEL WIRE BRN/BLU (OR BRN/DK BLU) WIRE BRN/BLU WIRE BRN/DK BLU (OR YEL/GRY) WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DK BLU (OR YEL/BLU) WIRE DK BLU BRN/ WIRE DK BLU WIRE DK BLU/BLK WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM GRY YEL/ WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/DK BLU WIRE GRY/VIO WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LR SPK (+) RR SPK (+) LF SPK (+) RF SPK (+) LT GRN WIRE LT GRN/BLK WIRE LT GRN/BRN WIRE MICROPHONE 3 SIG MICROPHONE 2 SIG MICROPHONE 1 SIG MOST CONTROL NCA WIRE REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/YEL WIRE REPLICATED SIG GMLAN SERIAL DATA RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER SERIAL DATA - SERIAL DATA + SERIAL DATA + SERIAL DATA - SUBWOOFER DOOR SPEAKER VIO/BRN WIRE VIO/DK BLU WIRE W/ PREMIUM SURROUND AMPLIFIER W/O PREMIUM SURROUND AMPLIFIER WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL (OR BRN/GRN) WIRE YEL WIRE YEL/BLK (OR VIO/BRN) WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE

BLK WIRE BLU WIRE BRN WIRE DOWN GRN WIRE HOT AT ALL TIMES PASS SEAT FUSE PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT LUMBAR SUPPORT HORIZONTAL MOTOR (IN PASSENGER'S SEAT BACK) PASSENGER SEAT LUMBAR SUPPORT VERTICAL MOTOR (IN PASSENGER'S SEAT BACK) PASSENGER SEAT REAR PASSENGER SEAT VERTICAL MOTOR HORIZONTAL MOTOR PASSENGER SEAT RECLINE MOTOR (LOWER RIGHT SIDE OF PASSENGER'S SEAT BACK) RED WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RWD RWD UP UP RWD VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REARVIEW MIRROR GLASS DRIVER OUTSIDE REARVIEW MIRROR MOTOR DRIVER PASSENGER OFF ELECTROCHROMIC MIRROR CIRCUIT GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT LEFT INSTRUMENT FUSE BLOCK (LEFT SIDE OF DASH) MIR WNDW MDL FUSE MIRROR DIMMING MIRROR MOTOR FOLD IN CTRL MIRROR MOTOR FOLD OUT CTRL NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OFF PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR GLASS RED/VIO WIRE RIGHT VIO WIRE WHT WIRE YEL 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

2 1 RF SPKR (+) (1) SPEAKER + 6 5 4 3 RF SPKR (-) (1) SPEAKER - BATT POS VOLT LF SPKR (+) (1) 8 7 GROUND LF SPKR (-) (1) AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BLK WIRE BLK/ YEL WIRE BLU (OR DK BLU) WIRE BLU WIRE BLU/ YEL WIRE BRN/BLU (OR BRN/DK BLU) WIRE BRN/BLU WIRE BRN/DK BLU (OR YEL/GRY) WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DK BLU (OR YEL/BLU) WIRE DK BLU BRN/ WIRE DK BLU WIRE DK BLU/BLK WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM GRY YEL/ WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/DK BLU WIRE GRY/VIO WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LR SPK (+) RR SPK (+) LF SPK (+) RF SPK (+) LT GRN WIRE LT GRN/BLK WIRE LT GRN/BRN WIRE MICROPHONE 3 SIG MICROPHONE 2 SIG MICROPHONE 1 SIG MOST CONTROL NCA WIRE REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/YEL WIRE REPLICATED SIG GMLAN SERIAL DATA RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER SERIAL DATA - SERIAL DATA + SERIAL DATA + SERIAL DATA - SUBWOOFER DOOR SPEAKER VIO/BRN WIRE VIO/DK BLU WIRE W/ PREMIUM SURROUND AMPLIFIER W/O PREMIUM SURROUND AMPLIFIER WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL (OR BRN/GRN) WIRE YEL WIRE YEL/BLK (OR VIO/BRN) WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY 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

9 7 BACKUP LAMP RLY CTRL CAMERA SIG - BACKUP LP RLY CTRL GROUND CAMERA VID SIG (-) BLK/WHT WIRE BLU WIRE BLUNT CUT POWER PNK TAKE-OFF (PTO) PROVISION WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BREAKOUT) BREAKOUT) (HYBRID W/ ENGINE CONTROL POWER TAKE OFF (PTO) CONTROLS) PNK WIRE CAMERA SIG (-) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRAIN WIRE CAMERA VID SIG (+) FUSE 40 (6.6L) GRY WIRE HOT W/ RUN/ CRNK RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR (ISRVM) LAMP RLY CTRL LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW SPEED SERIAL DATA LT BLU (OR BLU) WIRE LT BLU WIRE MISC IGN FUSE 43 (EXCEPT 6.6L) NCA WIRE PNK 4 3 2 1 WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RADIO RED WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UYS W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE WHT WIRE YEL WIRE