GMC Sierra III (2013-2015) (lower left side of dash) left i/p junction block Wiring diagrams

6.0L 6.0L VIN G 6.6L 6.0L VIN B AUX HVAC-IGN FUSE 48 FUSE 45 AXLE SW SIG BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L FRONT DRIVE AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) GAS DIESEL GMLAN BUS- GROUND DISTRIBUTION SYSTEM GRY/BLK WIRE HOT W/ RUN/CRNK RELAY ENERGIZED IGN GND INSTRUMENT PANEL CLUSTER (IPC) LOGIC PNK WIRE SER DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 19 FUSE 13 TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

13 14 15 STOP LAMP SW SIG SENSOR LOW REF VOLT REFERENCE 6.0L (VIN G) AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL AUX HVAC- IGN FUSE 45 BATT GND BLK/WHT WIRE BRAKE PEDAL POSITION (BPP) SENSOR COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DASH) DK BLU WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY INSTRUMENT CLUSTER PANEL (IPC) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L (VIN G) FUSE 19 GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN LOGIC LOW REFERENCE LT GRN WIRE LT GRN/BLK WIRE ORG/BLK WIRE PC SOLENOID 1 CONTROL PC SOLENOID 2 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PNK IGN WIRE PNK WIRE PPL/WHT WIRE PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED/WHT WIRE REPLICATED TOS SIGNAL SHIFT SOLENOID (SS) 1 CONTROL SHIFT SOLENOID (SS) 2 CONTROL SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TO AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TOS SIG TOW/ HAUL IND TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON TRANSFER CASE TAILSHAFT HOUSING) VSS HIGH SIG VSS LOW SIG

10 11 12 13 14 15 16 ACCY WAKEUP SRL DATA 1553 1552 1342 550 MTR CTRL B MTR CTRL A BATT + GND 1560 1563 NEUTRAL IND CTRL 2 HI IND CTRL 1695 2501 2500 239 AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT 2-HI IND 2501 2500 7474 GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG 4-HI IND 4-LO IND ACCY WAKEUP SRL DATA ASSEMBLY AUX HVAC-IGN FUSE 48 FUSE 45 AXLE ACTR CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EXCEPT 6.0L FRONT AXLE ACTUATOR FUSE 19 FUSE 13 GAS GAS DIESEL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LT BLU WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 NEUTRAL IND ORG/ WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK SER DATA SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM YEL WIRE

6.0L 6.0L VIN G 6.6L 6.0L VIN B AUX HVAC-IGN FUSE 48 FUSE 45 AXLE SW SIG BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L FRONT DRIVE AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) GAS DIESEL GMLAN BUS- GROUND DISTRIBUTION SYSTEM GRY/BLK WIRE HOT W/ RUN/CRNK RELAY ENERGIZED IGN GND INSTRUMENT PANEL CLUSTER (IPC) LOGIC PNK WIRE SER DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 19 FUSE 13 TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

13 14 15 STOP LAMP SW SIG SENSOR LOW REF VOLT REFERENCE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUX HVAC- IGN FUSE 45 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FLD PRESS SW SIG 4 TCC PCS LOW CTRL FLD PRESS SW SIG B TURBINE SPEED SW SIG FUSE 13 GMLAN DATA BUS- GND BATT + ACTUATOR SPLY VOLT GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN IGN 1 VOLT INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL IND ORG/ WIRE ORG/BLK WIRE P/N PNK WIRE PNK/ WHT WIRE PNK/BLK WIRE PNK/WHT WIRE POWER PPL/WHT WIRE RANGE SW SIG A MAIN PRESS SOL CTRL RED/WHT WIRE SYSTEM DISTRIBUTION TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRAKE SIG TCM-BATT FUSE 7 TFT SENSOR TOS SIG TOW/ HAUL IND TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) W/ 2 SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE WHT WIRE YEL WIRE YEL/BLK WIRE

10 11 12 13 14 15 16 ACCY WAKEUP SRL DATA 1553 1552 1342 550 MTR CTRL B MTR CTRL A BATT + GND 1560 1563 NEUTRAL IND CTRL 2 HI IND CTRL 1695 2501 2500 239 AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT 2-HI IND 2501 2500 7474 GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG 4-HI IND 4-LO IND ACCY WAKEUP SRL DATA ASSEMBLY AUX HVAC-IGN FUSE 48 FUSE 45 AXLE ACTR CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EXCEPT 6.0L FRONT AXLE ACTUATOR FUSE 19 FUSE 13 GAS GAS DIESEL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LT BLU WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 NEUTRAL IND ORG/ WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK SER DATA SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM YEL WIRE

6.0L 6.0L VIN G 6.6L 6.0L VIN B AUX HVAC-IGN FUSE 48 FUSE 45 AXLE SW SIG BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L FRONT DRIVE AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) GAS DIESEL GMLAN BUS- GROUND DISTRIBUTION SYSTEM GRY/BLK WIRE HOT W/ RUN/CRNK RELAY ENERGIZED IGN GND INSTRUMENT PANEL CLUSTER (IPC) LOGIC PNK WIRE SER DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 19 FUSE 13 TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ B+ LOW REF LO SPD DATA BLK WIRE BLK/WHT WIRE BRAKE PEDAL ASSEMBLY) CHIME MODULE (CENTER OF DASH, BEHIND RADIO) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONNECTOR BREAKOUT) (W/ LUXURY EDITION) DK BLU WIRE DK GRN WIRE DLIS FUSE 35 FUSE 32 DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH EXCEPT 6.6L 6.6L HOT AT ALL TIMES IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER DRIVER'S SEAT) INSTRUMENT PANEL CLUSTER (IPC) LOW OIL IND IPC FUSE 46 FUSE 43 KEY-IN IGNITION SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT LEFT SEAT BELT SW LO SPD GMLAN SERIAL DATA LOGIC LOW REF LT BLU WIRE NCA WIRE OFF PARK BRAKE SWITCH (ON PARK PNK SUPPLEMENTAL RESTRAINTS SYSTEM WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL RADIO RDO FUSE 42 FUSE 39 RED/WHT WIRE RUN WIRE SEAT BRAKE BELT IND IND SERIAL DATA SIDE OF DASH) SOUND SYSTEMS SYSTEM TAN WIRE TAN/WHT WIRE TIRE PRESSURE IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ RADIO PROVISIONS W/ UYS W/O UYS W/O LUXURY EDITION W/O RADIO PROVISIONS WHT WIRE