GMC Sierra III (2013-2015) nca Wiring diagrams

10 11 HIGH SPEED BUS (+) 6.6L CHEVROLET GMC AUTOMATIC TRANSMISSION (6.6L) AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION ( 6.0L) BCK/UP LAMP PCB RELAY BCK/UP RLY BCK/UP SIG BCM FUSE 15 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL TRANSMISSION SOLENOID CONTROL VALVE MODULE ASSEMBLY (TCM) CONVENIENCE PACKAGE DASH) DATA BUS - DK BLU WIRE DK GRN WIRE GMLAN SERIAL HI SPD GRD GRN WIRE GROUND DISTRIBUTION GROUND DISTRIBUTION SYSTEM GRY WIRE HIGH SPEED BUS - HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF INSIDE REARVIEW MIRROR (ISRVM) LEFT BACKUP LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LOW REF LOW SPEED 10 3 5 SERIAL DATA B+ GND LT GRN WIRE MJR NCA WIRE PNK/BLK WIRE POSITION SWITCH) POWER DISTRIBUTION SYSTEM REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL) REARVIEW CAMERA (LEFT OF TAILGATE HANDLE) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP SW SIG A SW SIG B SW SIG C SW SIG P SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRAILER TOW CIRCUIT TRANS RANGE SIG A TRANS RANGE SIG B TRANS RANGE SIG C TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRLR BCK/UP FUSE 10 FUSE 9 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEH BCK/UP FUSE 15 FUSE 14 W/ COMFORT, DECOR LEVEL 3 W/ REARVIEW CAMERA W/ SPO REARVIEW CAMERA WHT WIRE YEL WIRE YEL/BLK 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

BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CARGO LAMP FUSE CARGO LAMP RELAY CENTER HIGH MOUNTED DK BLU (OR YEL) WIRE DK BLU WIRE DK GRN (OR YEL) WIRE DK GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT FRONT PARK LAMP LEFT HEADLAMP ASSEMBLY LEFT LOWER PARK/TURN SIGNAL LAMP LEFT MULTI-FUNCTION LED CONTROL MODULE HEADLAMP LEFT PARK DAYTIME RUNNING LAMP LEFT PARK/TURN SIGNAL LAMP LEFT UPPER PARK/TURN SIGNAL LAMP LT BLU WIRE LT GRN LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL RED WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) STOP LAMP VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL WIRE

BLK WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS DATA LINK CONNECTOR DRIVER SEAT HEATING, COOLING SWITCH FORWARD ADJUSTABLE PEDAL RELAY HEADLAMP SWITCH HVAC CONTROL MODULE IGNITION MAIN RELAY IGNITION RUN/ CRANK RELAY INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK NCA WIRE PASSENGER SEAT HEATING, COOLING SWITCH REARWARD ADJUSTABLE PEDAL RELAY RETAINED ACCESSORY POWER RELAY 1 STEERING WHEEL ANGLE SENSOR TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE WINDSHIELD WIPER MOTOR

ACTIVE GRILLE AIR SHUTTER 1 MOTOR MODULE ACTIVE GRILLE AIR SHUTTER 2 MOTOR MODULE BLK WIRE CHEVROLET CHEVROLET LEFT LEFT LOWER UPPER PARK/ PARK/ TURN TURN SIGNAL SIGNAL LAMP LAMP DRIVER CUSHION SEAT BLOWER ASSEMBLY DRIVER CUSHION SEAT HEATING ELEMENT DRIVER DRIVER BACK BACK SEAT SEAT BLOWER HEATING ASSEMBLY ELEMENT DRIVER DRIVER OUTSIDE WINDOW REARVIEW SWITCH MIRROR GLASS DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR COURTESY LAMP DRIVER RIGHT REAR SEAT DRIVER HAPTIC SEAT MOVEMENT ADJUSTER MOTOR SWITCH DRIVER SEAT DRIVER MEMORY WINDOW LEFT REAR SWITCH MOTOR WINDOW SWITCH FROM BATTERY (DIAGRAM 5 OF 5) FRONT WASHER DIODE GMC GMC/ CHEVROLET HOOD AJAR SWITCH LEFT COOLING FAN HORN MOTOR LEFT FRONT FOG LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP HIGH BEAM CONTROL MODULE LEFT HEADLAMP LEFT MULTI-FUNCTION LOW LED CONTROL BEAM MODULE HEADLAMP LEFT HIGH LEFT LOW BEAM BEAM HEADLAMP HEADLAMP LEFT PARK/ TURN SIGNAL LAMP LEFT TURN SIGNAL REPEATER LAMP NCA WIRE OUTSIDE LEFT REAR REARVIEW DOOR LATCH MIRROR ASSEMBLY SWITCH RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP HIGH BEAM CONTROL MODULE RIGHT HEADLAMP RIGHT MULTI-FUNCTION LOW LED CONTROL BEAM MODULE HEADLAMP RIGHT PARK/ TURN SIGNAL LAMP RIGHT RIGHT FRONT COOLING FOG FAN LAMP MOTOR RIGHT RIGHT HIGH LOW BEAM BEAM HEADLAMP HEADLAMP RIGHT RIGHT UPPER LOWER PARK/ PARK/ TURN TURN SIGNAL SIGNAL LAMP LAMP W/ LANE DEPARTURE WARNING W/ MEMORY W/O MEMORY W/O POWER WINDOW W/ POWER WINDOW WINDSHIELD WASHER WINDSHIELD FLUID WASHER LEVEL PUMP SWITCH

AM/FM ANT SIG AUXILIARY AUDIO INPUT BATT POSITIVE VOLT BLK WIRE BLK/YEL WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE GRY WIRE GRY/VIO WIRE HD/XM/GPS HOT AT ALL TIMES LOGIC LOW REF TELEPHONE VOICE SIG LT GRN WIRE LT GRN/DK BLU WIRE MEDIA DISC PLAYER (IF EQUIPPED) MOST CONTROL NCA WIRE NETWORK BUS 10 GMLAN SERIAL DATA POSITIVE VOLTAGE RADIO RADIO ANTENNA RDO FUSE RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) SERIAL DATA SIGNAL GROUND USB USB/OBS DET FUSE VIO WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/YEL WIRE BRN/RED WIRE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/BLK WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE ECM IGN FUSE ENG FUSE ECM ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (ON TOP OF ENGINE) FUEL COMPOSITION SENSOR (BETWEEN FUEL TANK, ELECTRONIC BRAKE CONTROL MODULE) FUEL PRESSURE SENSOR FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED IGN 1 VOLT INJ A ODD FUSE INJ B A/C CLUTCH FUSE EVEN IGN IGN FUSE FUSE FUSE INJ B INJ A ECM EVEN ODD FUSE FUSE FUSE LOW REF NCA WIRE ON BODY MOUNT FRAME POST) OUT SIG PPL/LT GRN WIRE RED/BRN WIRE RED/LT GRN WIRE RED/VIO WIRE SENSOR B FUSE SER DATA SHIELD SNSR A FUSE SPARK PLUG SPLY VOLT TCM/ ECM FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/DK BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

5-VOLT REFERENCE 1 ACTUATOR HI CTRL ACTUATOR LOW REF BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/PPL WIRE BLK/VIO WIRE BRN WIRE BRN/DK BLU WIRE BRN/YEL WIRE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE (FRONT CENTER OF ENGINE) CKP SENSOR SIGNAL CYLINDER 1 CYLINDER 2 CYLINDER 3 CYLINDER 4 CYLINDER 5 CYLINDER 6 DK BLU BLK/ WIRE DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) GRY WIRE GRY/BLU WIRE GRY/DK BLU WIRE HIGH PRESSURE FUEL PUMP (TOP REAR OF THE ENGINE) IGN CONTROL (1) IGN CONTROL (2) IGN CONTROL (3) IGN CONTROL (5) IGN CONTROL (6) IGN CONTROL (7) IGN CONTROL (8) IGN CONTROL 4 IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INTAKE SENS 1 INTAKE SOLENOID LOW REF LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE NCA WIRE OIL PRESS SENS SIG PPL/LT GRN WIRE SENSOR 2 SIGNAL SPARK PLUG SPARK PLUG (TOP RIGHT REAR OF ENGINE) SPLY VOLT VIO/BLK WIRE VIO/BRN WIRE VIO/DK BLU WIRE VIO/WHT WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/DK BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) CNTRL 1 CNTRL 2 CNTRL 4 CRANKSHAFT POSITION SENSOR (RIGHT REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL GRY WIRE GRY/BLU WIRE GRY/DK BLU WIRE LOW REF LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE NCA WIRE PPL/LT GRN WIRE SPARK PLUG VALVE LIFTER OIL MANIFOLD ASSEMBLY (BELOW INTAKE MANIFOLD) VIO WIRE VIO/DK BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL/DK BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

821 822 6354 TRANSMISSIONS SYSTEM AIR TEMP SENS SIG BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE DK BLU WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FUEL RAIL PRESS SEN SIG FUEL RAIL PRESSURE SENSOR (TOP LEFT REAR OF ENGINE) GRY WIRE GRY/DK BLU WIRE GRY/RED WIRE GRY/WHT WIRE HUMIDITY SENS SIG TAC MTR CTRL KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENSOR 1 (LOWER LEFT SIDE OF ENGINE) KNOCK SENSOR 2 (LOWER RIGHT SIDE OF ENGINE) LOW REF LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP) (ON TOP OF INTAKE MANIFOLD) MAP SENS SIG 5 VOLT REF MULTIFUNCTION INTAKE AIR SENSOR (RIGHT SIDE OF ENGINE COMPT, IN AIR INTAKE DUCT) NCA WIRE NEAR FAN SHROUD) RED WIRE REVERSE SW SIG SIG GND SPD SENS SIG LOW REF INPUT SIGNAL STARTING/CHARGING SYSTEM TAC CTRL OPN THROTTLE BODY (TOP RIGHT FRONT OF ENGINE) TRANSMISSIONS SYSTEM 179 1174 3212 VIO WIRE VIO/ DK BLU WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/WHT WIRE