GMC Sierra III (2013-2015) blk Wiring diagrams

BLK WIRE DRIVER OUTSIDE REARVIEW MIRROR EXCEPT 6.6L 6.6L HOT AT ALL TIMES HTD MIR FUSE 53 FUSE 51 LOGIC HVAC CONTROL MODULE MANUAL A/C AUTOMATIC A/C NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR POWER DISTRIBUTION SYSTEM REAR DEFOG RELAY REAR DEFOG RLY CTRL REAR DEFOGGER IND REAR DEFOGGER SWITCH RED WIRE RED/BLK WIRE 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

BLK WIRE EXCEPT 6.6L 6.6L LOGIC HVAC CONTROL MODULE MANUAL A/C AUTOMATIC A/C POWER DISTRIBUTION SYSTEM PPL REAR DEFOG FUSE 50 FUSE 47 REAR DEFOG RELAY REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID RED WIRE RED/BLK WIRE RR DEF RLY CTRL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

1271 3202 5991 LOW REF LOW REF PWTN RLY CTRL 2500 1272 2760 COMPUTER DATA LINES SYSTEM PPL 5 VOLT REF 3 5985 439 440 COMPUTER DATA LINES SYSTEM PNK WIRE AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM STARTING/CHARGING SYSTEM ANTI-LOCK VEHICLE SPD SIG BRAKES SYSTEM APP SENS 1 SIG INLET PRESS SENS SIG A/C SENS SIG LOW REF FP RLY CTRL APP SENS 2 SIG MAF SENS SIG AXLE SW SIG BATT POS CNG SW 12 BLK WIRE BLK/WHT WIRE BRAKE SW SIG PARK/NEUTRAL SIG EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM BRN WIRE BRN/WHT WIRE COMPUTER DATA HIGH SPD DATA BUS - LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EVAP VENT SOL CTRL FUEL PMP RELAY FUEL PUMP FUSE 20 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SENS SIG INTAKE AIR TEMPERATURE SIGNAL MODIFICATION MODULE (LEFT FRONT OF ENGINE COMPT) LT BLU WIRE LT BLU/WHT WIRE MIL CTRL AIR COMPR CLTCH RLY CTRL CONDITIONING SYSTEM ORG/BLK WIRE PNK 8 9 WIRE PNK WIRE PPL RED/BLK WIRE RED/WHT WIRE STARTING/ CHARGE IND SIG CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/RED WIRE TAN/WHT WIRE TO PWR/TRN RELAY (DIAGRAM 2 OF 10) TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) WAKEUP SERIAL DATA IGNITION 1 VOLT B+ VOLT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) BLK WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN/WHT WIRE ECM BATT FUSE 12 ECM-IGN FUSE 56 ECM/THROT CONT FUSE 5 ENG FUSE 4 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID VALVE (ON INTAKE MANIFOLD) FROM FUEL PMP RELAY (DIAGRAM 1 OF 10) FUSE 18 (DIAGRAM 7 OF 10) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HOT W/ RUN/CRNK RELAY ENERGIZED UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE PNK 8 9 WIRE PNK WIRE PNK/BLK WIRE PPL PWR/ TRN RELAY RED/WHT WIRE SECONDARY FUEL PUMP (FP) RELAY (W/ DUAL FUEL TANK) (LEFT SIDE OF ENGINE COMPT) TAN WIRE TAN/WHT WIRE TCM- BATT FUSE 14 THROTTLE INLET ABSOLUTE PRESSURE SENSOR (ON THROTTLE BODY) WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

ALTERNATIVE FUEL PRESSURE SENSOR AUX HVAC-IGN FUSE 48 BLK WIRE BLK/WHT WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN/WHT WIRE CNG HIGH PRESSURE REGULATOR TEMPERATURE SENSOR CNG TANK TEMPERATURE SENSOR (PART OF CNG FUEL TANK ASSEMBLY) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GND IGN GRN WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN B+ INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LO BUS LOGIC LOW OIL PRESSURE IND LT GRN WIRE MALFUNCTION INDICATOR LAMP PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RED/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)

10 11 12 13 14 15 16 PPL 5-VOLT OUT 5-VOLT REF SIG ALTERNATIVE FUEL ENABLE RELAY ALTERNATIVE FUEL FUSE HOLDER 1 ALTERNATIVE FUEL FUSE HOLDER 2 ALTERNATIVE FUEL RELAY BLOCK ALTERNATIVE FUEL SYSTEM DATA CONNECTOR BATT POS OUT CNG CUT-OFF SOL VALVE 2 BATT POS VOL BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE CNG 1 FUSE CNG 2 FUSE CNG CUT-OFF SOLENOID VALVE 1 (PART OF CNG REGULATOR) CNG CUT-OFF SOLENOID VALVE 2 (PART OF CNG FUEL TANK ASSEMBLY) CNG SW 12 VOLT SIG CNG TANK TEMP OUT CNG TANK TEMP SENS SIG CUT-OFF SOL VALVE 1 DK GRN/WHT WIRE FUEL PUMP DISABLE MODULE (TOP REAR OF CNG REGULATOR MOUNTING BRACKET) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES LT GRN WIRE LVL SENS SIG (OUT) OEM FUEL PUMP VOL (IN) PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE WHT WIRE WHT/GRN WIRE

10 11 12 13 14 15 16 PPL 5-VOLT OUTPUT ALTERNATIVE FUEL ENABLE RELAY ALTERNATIVE FUEL ENABLE RLY ALTERNATIVE FUEL INJ 1 CTRL ALTERNATIVE FUEL INJ 2 CTRL ALTERNATIVE FUEL INJ 3 CTRL ALTERNATIVE FUEL INJ 4 CTRL ALTERNATIVE FUEL INJ 5 CTRL ALTERNATIVE FUEL INJ 6 CTRL ALTERNATIVE FUEL INJ 7 CTRL ALTERNATIVE FUEL INJ 8 CTRL ALTERNATIVE FUEL INJ GROUND BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE CNG CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) CNG INJ GROUND CNG SW 12 VOLT SIGNAL CNG TANK CUT-OFF 2 CTRL CNG TANK LOC 1 OFF CTRL CNG TANK PRESS INPUT CNG TANK TEMPERATURE INPUT COMPUTER DATA COOLANT TEMP INPUT DATA BUS - DK GRN/WHT WIRE FUEL PRESSURE INPUT FUEL TEMP SENSOR INPUT GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GROUND LINES SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OEM INJ 1 INPUT OEM INJ 1 OUTPUT OEM INJ 3 IN OEM INJ 3 OUT OEM INJ 4 IN OEM INJ 4 OUT OEM INJ 5 OUT OEM INJ 6 OUT OEM INJ 7 OUT OEM INJ 8 OUT OEM INJ IN 5 OEM INJ IN 6 OEM INJ IN 7 OEM INJ IN 8 OEM INJ POS VOL BANK 2 OEM INJ POS VOLTAGE BANK 1 OEM INJECTOR 2 INPUT OEM INJECTOR 2 OUTPUT ORG/ WIRE ORG/BLK WIRE ORG/GRN WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PNK/GRN WIRE PNK/WHT WIRE PPL PPL/BLK WIRE PPL/WHT WIRE PWR RED WIRE RED/WHT WIRE SERIAL K SW BATT POS TAN WIRE TAN/BLK WIRE TAN/BLU WIRE TAN/GRN WIRE TAN/WHT WIRE USED) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/ORG WIRE WHT/PPL WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

12 13 14 15 PPL ALTERNATIVE FUEL LOW ALARM BLK WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE FUEL TYPE SELECT SWITCH IC 1 CTRL INJECTOR 1 CTRL INJECTOR 2 CTRL INJECTOR 3 CTRL INJECTOR 4 CTRL INJECTOR 5 CTRL INJECTOR 6 CTRL INJECTOR 7 CTRL INJECTOR 8 CTRL LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE ORG/GRN WIRE ORG/WHT WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL/BLK WIRE PPL/GRN WIRE PPL/WHT WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE VEHICLE SPEED SENSOR (VSS) (ON TRANSFER CASE TAILSHAFT HOUSING) WHT WIRE WHT/GRN WIRE YEL/BLK WIRE

12 13 14 15 PPL 5 6 7 8 PNK PNK PPL WIRE BLK WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON TOP OF ENGINE) FROM ECM/THROT CONT FUSE 5 (DIAGRAM 2 OF 10) FRONT FUEL PUMP, SENDER ASSEMBLY (IN FRONT FUEL TANK) FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL PUMP, SENDER ASSEMBLY) GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INJ-A FUSE 24 INJ-B FUSE 13 LT GRN WIRE LT GRN/BLK WIRE LT STOP TRN FUSE 6 PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE REAR FUEL PUMP, SENDER ASSEMBLY (W/ DUAL FUEL TANK) (IN REAR FUEL TANK) RED/WHT WIRE RT STOP TRN FUSE 8 SNSR FUSE 18 SNSR FUSE 8 TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE