Chevrolet Tahoe IV (2014-2021) (underneath left rear quarter window) Wiring diagrams

ACC VOLT BACKUP LMP RLY CTRL BATT POSITIVE VOLT BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LK MTR STATUS SIG LR SHIFT SELECT SW PARK SIG CHILD SECURITY LK MTR STATUS SIG RR COURTESY LP SW SIG CHILD SECURITY LK RLY CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS LO REF DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS INTERIOR LIGHTS SYSTEM DR LK ACTR UNLCK CTRL DR LK CTRL DR LK CTRL 2 DRIVER MODE SW SIG DRV OUTSIDE RR VIEW MIR PUDDLE LP SPLY VOLT DRV SEAT VENT MTR CTRL 1 ELECTRONIC SUSPENSION SYSTEM ENDGATE LATCH RLY SPLY VOLT EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM FOG LMP RLY CTRL FOG LP RLY COIL CTRL GLASS BREAKAGE SENSOR SIG 2 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HDLP HI BEAM RLY CTRL HDLP LO BEAM RLY CONTROL HEADLIGHTS SYSTEM HI SPD GMLAN SER DATA (+) 1 HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGNITION SWITCH INADVERTENT POWER CTRL INTR LP CTRL KEY-IN IGNITION SWITCH KEYLESS ENTRY CONTROL MODULE LATCH RLY COIL CTRL LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMM CTRL LEFT CORNERING LAMP SPLY VOLT LEFT HDLP BULB OUTAGE SIG LEFT TAIL LP OUTAGE DETECTION SIG LF TURN SIG CTRL LIFT GLASS/TRUNK RELEASE SIG LIN BUS 2 LIN BUS 3 LO SPD GMLAN SERIAL DATA LR TURN LMP CTRL LT TRAILER TURN SIG LAMP LTFTGATE AJAR SW SIG (1) NETWORK BUS 1 OFF OUT OF PARK SIG FT WINDSHIELD WIPER SW HI SIG PARK LMP RLY CTRL PASS DR LOCK SW LCK CTRL PASS DR LOCK SW UNLCK CTRL WIRELESS CHARGING SYSTEM CHARGE INDICATOR CTRL PASS SEAT VENT MOTOR CTRL 1 POWER DISTRIBUTION SYSTEM REAR CLOSURE HANDLE SW OPEN SIG CHILD SECURITY LOCK SW SIG RED/GRN WIRE RED/WHT WIRE RIGHT CORNERING LP CTRL RIGHT HDLP BULB OUTAGE SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TAIL LP OUTAGE DETECTION RIGHT TRAILER TURN SIG LAMP RR WINDOW WASHER RLY CTRL RT FRT DRL SPLY VOLT RUN IGNITION 3 VOLTAGE RUN WIRE RUN/CRANK IGN 1 VOLT SEATS SYSTEM SECURITY LK RLY CTRL SHIFT INTERLOCK SOLENOID CTRL SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM TRAILER BRK APPLY SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/ KEYLESS ENGINE START SWITCH W/O KEYLESS ENGINE START SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

5.3L, 6.2L W/ INTEGRATED TRAILER BRAKE CONTROL 5.3L, 6.2L W/O INTEGRATED TRAILER BRAKE CONTROL 6.0L ACCESSORY BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE COMM ENABLE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT BOLSTER MEMORY CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/GRN WIRE HI SPD GMLAN KEYLESS ENTRY CONTROL MODULE LIN BUS 13 LO SPD GMALN LO SPD GMLAN PASSENGER PRESENCE MODULE PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT BOLSTER MEMORY CONTROL MODULE PASSENGER SEAT MEMORY CONTROL MODULE SER DATA SER DATA (+) 2 SER DATA (-) (1) SER DATA - (3) VIO/YEL WIRE WAKEUP WAKEUP SER DATA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

ACCESSORY VOLT ACTIVE SIG ANTENNA SIG 1 HI ANTENNA SIG 1 LO ANTENNA SIG 2 HI ANTENNA SIG 2 LO ANTENNA SIG 3 HI ANTENNA SIG 3 LO ANTENNA SIG LO BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE COURTESY LAMP DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DOOR OPEN SW SIG DRV DR ANTENNA SIG HI DRV DR ANTENNA SIG LO DRV DR HANDLE SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL JUNCTION BLOCK KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LOCK SIG LOW REF LR DR HANDLE SW SIG ORG/ WIRE PASS DR ANTENNA SIG HI PASS DR ANTENNA SIG LO PASS DR HANDLE SW SIG PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE COURTESY LAMP PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSIVE START SW SIG 2 PEPS/HVAC BATT FUSE POWER DISTRIBUTION SYSTEM REAR CLOSURE ANTENNA SIG HI REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED/YEL WIRE RLY 2 COIL CONTROL RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

ACCESSORY VOLT ACTIVE SIG ANTENNA SIG 1 HI ANTENNA SIG 1 LO ANTENNA SIG 2 HI ANTENNA SIG 2 LO ANTENNA SIG 3 HI ANTENNA SIG 3 LO ANTENNA SIG LO BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE COURTESY LAMP DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DOOR OPEN SW SIG DRV DR ANTENNA SIG HI DRV DR ANTENNA SIG LO DRV DR HANDLE SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL JUNCTION BLOCK KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LOCK SIG LOW REF LR DR HANDLE SW SIG ORG/ WIRE PASS DR ANTENNA SIG HI PASS DR ANTENNA SIG LO PASS DR HANDLE SW SIG PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE COURTESY LAMP PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSIVE START SW SIG 2 PEPS/HVAC BATT FUSE POWER DISTRIBUTION SYSTEM REAR CLOSURE ANTENNA SIG HI REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED/YEL WIRE RLY 2 COIL CONTROL RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POSITIVE VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DOOR OPEN SW SIG DRIVER DOOR LATCH ASSEMBLY GRN WIRE GRN/VIO WIRE GRY/WHT WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL JUNCTION BLOCK KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SER DATA LOGIC OFF/ACCESSORY VOLT RED/GRY WIRE STEERING COLUMN LOCK MODULE (STEERING COLUMN) STEERING COLUMN LOCK STATUS SIG STR COL LOCK SIG STRG COLUMN LOCK SIG WHT WIRE WHT/YEL WIRE