GMC Sierra IV (2018-2022) voltage phase 3 Wiring diagrams

5-VOLT REFERENCE ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE COOLANT TEMPERATURE SENSOR 3 GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HEATER CONTROL LOW HEATER CTRL IGN IGNITION 1 VOLTAGE 4 LINE HEATER CTRL LINE HEATER LOW CTRL LINES SYSTEM LOGIC LOW REF POSITIVE VOLTAGE 34 PRESSURE SENSOR SIG RADIATOR COOLANT TEMPERATURE SENSOR RED WIRE RED/WHT WIRE REDUCTANT LINE HEATER REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SENSOR 5 VOLT REF 1 SENSOR FEEDBACK SIG SERIAL DATA (-) (1) SERIAL DATA (-) 7 SERIAL DATA BUS- SMART PUMP CONTROL TANK 2 HEATER CTRL TANK HEATER LOW CTRL TEMP SENSOR SIG VIO/BLU WIRE VIO/GRN WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WAKE UP SERIAL DATA WAKE UP SIG WHT WIRE YEL WIRE YEL/BLK WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ENGINE CONTROL MODULE FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL SENSOR SIG GMLAN SERIAL DATA (+) 7 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION 1 VOLTAGE LEVEL SENSOR SIGNAL 2 LOW REF LOW REFERENCE LOW REFERENCE 1 MODE CTRL BACKUP MODULE WAKE-UP SIGNAL PRIMARY RELAY CTRL RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SENSOR 2 SIGNAL SENSOR 4 SIGNAL SENSOR 5 SIGNAL SENSOR LOW REF SENSOR SIGNAL SENSOR SIGNAL 1 SHIELD GROUND SPEED SIGNAL SW FEEDBACK SIG TEMP LOW REFERENCE TEMP SENSOR 1 TEMP SENSOR 2 TEMP SENSOR 3 TEMPERATURE SIGNAL TRANSMISSIONS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VOLT SIG A VOLTAGE PHASE 2 VOLTAGE PHASE 3 VOLTAGE REF W/ DUAL TANK W/O DUAL TANK WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP CTRL FUEL SENSOR SIG GMLAN SERIAL DATA (+) 7 GRN/BLU WIRE GRN/GRY WIRE GROUND 17 GRY WIRE IGNITION 1 VOLTAGE 4 LOW REF LOW REFERENCE MODULE WAKE-UP SIG NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 POS VOLTAGE 53 PRESSURE SENSOR SIG PRIMARY RELAY CTRL PUMP RLY CTRL RED/VIO WIRE RED/WHT WIRE SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP SECONDARY FUEL PUMP, FUEL LEVEL SENSOR ASSEMBLY SENSOR 2 LOW REF SENSOR SIG SENSOR SIG 2 SHIELD GROUND SYSTEM TEMP SENSOR LOW REF TEMP SIG VIO/BLU WIRE VIO/GRN WIRE VOLT REF VOLTAGE PHASE 2 VOLTAGE PHASE 3 WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRY WIRE

5-VOLT REFERENCE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE OIL LEVEL SWITCH FUEL RAIL PRESSURE SENSOR GND 16 GRN/BLU WIRE GROUND 16 HEATER CONTROL LOW HEATER CTRL IGNITION 1 VOLTAGE 4 LINE HEATER CTRL LINE HEATER LOW CTRL LINES SYSTEM LOGIC LOW REF MODULE WAKE-UP SIG POSITIVE VOLTAGE 34 PRESSURE SENSOR SIG RED WIRE RED/VIO WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE REDUCTANT LINE HEATER REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT PUMP, SENSOR ASSEMBLY (OUTSIDE OF LEFT FRAME, UNDER REAR OF CAB) REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SENSOR 5 VOLT REF SENSOR FEEDBACK SIG SERIAL DATA (-) (1) SERIAL DATA (-) 7 SMART PUMP CONTROL TANK 2 HEATER CTRL TANK HEATER LOW CTRL TEMP SENSOR SIG VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WAKE UP SERIAL DATA WHT WIRE YEL WIRE