GMC Sierra III facelift (2015-2018) w/ base equipment w/o base equipment w/o body equipment Wiring diagrams

BANK 1 SENS 2 BANK 2 SENS 2 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BPP SENS SIG BRAKE PEDAL POSITION SENSOR BRK APPLY BRN WIRE BRN/WHT WIRE CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM CYCLE SIG DATA DK BLU WIRE DK GRN WIRE ECT SENS SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FUEL TANK SIG GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE INSTRUMENT INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL JUNCTION BLOCK LOW REF LT BLU WIRE MAP SENS SIG NCA WIRE PLUG PNK WIRE PRESS SENS LOW REF RED WIRE RED/YEL WIRE SENS CTRL SENS LOW REF SENS SIG SOLENOID CTRL SPARK STARTING/ CHARGING SYSTEM TEMP SENS LOW REF TOS SIG TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/DK BLU WIRE VIO/GRN WIRE VIO/WHT WIRE VSS LOW REF VSS SIG W/ BASE EQUIPMENT W/O BASE EQUIPMENT W/O BODY EQUIPMENT WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/RED WIRE

BANK 1 SENS 2 BANK 2 SENS 2 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BPP SENS SIG BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRN WIRE BRN/WHT WIRE CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM CYCLE SIG DATA DK BLU WIRE DK GRN WIRE ECT SENS SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FUEL TANK SIG GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE INSTRUMENT INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL JUNCTION BLOCK LOW REF LT BLU WIRE MAP SENS SIG NCA WIRE PLUG PNK WIRE PPL/WHT WIRE PRESS SENS LOW REF RED WIRE RED/YEL WIRE SENS LOW REF SENS SIG SOLENOID CTRL SPARK STARTING/ CHARGING SYSTEM TEMP SENS LOW REF TOS SIG TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/DK BLU WIRE VIO/GRN WIRE VSS LOW REF VSS SIG W/ BASE EQUIPMENT W/O BASE EQUIPMENT W/O BODY EQUIPMENT WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/RED WIRE