GMC Sierra III (2013-2015) ambient air temperature sensor (on left side of radiator support) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) A/C ON AIR TEMP RF SUNLD AMB AIR TMP GMLAN L AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) AUTO BATT POS VOLT BLK WIRE BLK/WHT WIRE BREAKOUT) BRN WIRE COLNT LVL GROUND LOW REF COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) FAN DN FAN UP FRESH AIR FRNT DFG FRT DEF A/C IND FSH AIR GROUND GROUND DISTRIBUTION SYSTEM GROUND IGN 3 REAR DEFOG GRY WIRE GRY/BLK WIRE HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) DRIVER INFORMATION CENTER (DIC) DISPLAY LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SUNLOAD SENSOR LEFT TEMP CONTROL LF SUNLD L AIR TMP R AIR TMP LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DN MODE UP MTR SPD CTRL OFF ORG/ WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SENS MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DFG RECIR RECIRC RED WIRE RED/WHT WIRE RER DEF RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT SUNLOAD SENSOR RIGHT TEMP CONTROL SERIAL DATA TAN WIRE UPPER LEFT AIR TEMPERATURE SENSOR (UNDER UPPER LEFT SIDE OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (UNDER UPPER RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/C CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR CLUTCH RELY CTRL A/C PRESS SENS 5 VOLT REF 1 A/C REFRIGERANT PRESS SENS LO REF A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBT AIR TEMP SNSR SIG B+ VOLT BATT+ VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/WHT WIRE BRN WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE COOL FAN 2 FUSE DK BLU WIRE DK BLU/GRY WIRE ENG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE CONTROLS FUSE GRN WIRE HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IGNITION RELAY LEFT COOLING FAN MOTOR (LEFT FRONT OF ENGINE COMPT) LO REF LT GRN WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR (RIGHT FRONT OF ENGINE COMPT) TCM/ECM FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/GRY 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/LT GRN WIRE BLK/YEL WIRE BLU/BLK WIRE BRN/RED WIRE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE ECM A/C CLUTCH FUSE ENG FUSE ECM IGN IGN FUSE FUSE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (LEFT SIDE 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 IGN 1 VOLT INJ A ODD FUSE INJ B EVEN FUSE INJ B INJ A ECM EVEN ODD FUSE FUSE FUSE LOW REF NCA WIRE OUT SIG PPL/LT GRN WIRE RED/BRN WIRE RED/LT GRN WIRE RED/VIO WIRE SER DATA SHIELD SNSR A FUSE SNSR B FUSE SPLY VOLT TCM/ ECM FUSE VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT 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

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