Land Rover Discovery L462 (2016-2020) auxiliary junction box Wiring diagrams

AUXILIARY JUNCTION BOX BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/PPL WIRE CENTRAL JUNCTION BOX FRONT BLOWER FUSIBLE LINK 12 FUSIBLE LINK 8 FUSIBLE LINK 9 GRN WIRE GRN/BLU WIRE GRN/PPL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES IN-VEHICLE TEMPERATURE SENSOR LEFT FRONT FOOT DUCT AIR TEMPERATURE SENSOR LEFT REAR FACE DUCT AIR TEMPERATURE SENSOR LEFT REAR FOOT DUCT AIR TEMPERATURE SENSOR MTR GND MTR PWR PPL/GRN WIRE PPL/GRY WIRE PPL/ORG WIRE PPL/RED WIRE PPL/WHT WIRE PTC 1 RELAY PTC 2 RELAY PWM PWR RED WIRE RIGHT FRONT FOOT DUCT AIR TEMPERATURE SENSOR RIGHT REAR FACE DUCT AIR TEMPERATURE SENSOR RIGHT REAR FOOT DUCT AIR TEMPERATURE SENSOR SENS GND SIG WHT/GRN WIRE WHT/PPL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/PPL WIRE

3.0L TURBO DIESEL AUXILIARY JUNCTION BOX BLK WIRE BLOWER RELAY BLU WIRE BRN WIRE BRN/BLU WIRE BRN/PPL WIRE CENTRAL JUNCTION BOX CHARGE AIR COOLANT PUMP RELAY COOLANT PUMP ENGINE JUNCTION BOX F PMP + FUEL FIRED BOOSTER HEATER (FFBH) COOLANT PUMP FUEL FIRED BOOSTER HEATER (FFBH) PUMP FUEL FIRED BOOSTER HEATER (RIGHT REAR SIDE OF ENGINE COMPT) FUSE 15 FUSE 27 FUSE 51 FUSIBLE LINK 1 FUSIBLE LINK 5 GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES NCA WIRE PPL PPL/GRN WIRE REC SIG RED WIRE RIGHT TV ANTENNA AMPLIFIER SCN SIG SUPERCHARGE COOLANT PUMP VBATT WHT/PPL WIRE YEL WIRE

3.0L SC 3.0L TURBO DIESEL 3.0L TURBO DIESEL AMBIENT AIR TEMPERATURE SENSOR AUXILIARY JUNCTION BOX B-D-FR-BM FRXY BM B-D-FR-BP FRXY BP BLK WIRE BLOCK HEATER HARNESS TO AC MAINS SUPPLY BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/PPL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR 1 COOLING FAN MOTOR 2 (3.0L TURBO DIESEL) DRIVER SIDE DOOR MIRROR ECFC ECFC 2 ECT A ECT B ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE (ECT) SENSOR ENGINE JUNCTION BOX EWP FRONT ELECTRIC COOLING FAN FUSE 16 FUSE 20 FUSE 24 FUSE 51 FUSIBLE LINK 15 FUSIBLE LINK 6 FUSIBLE LINK 7 G R ENGTS G-R-ATS SENS GND 7 G-R-OTS GND PPL PWM GRN WIRE GRN/BRN WIRE GRY WIRE GRY/YEL WIRE HEATER BLOCK HOT AT ALL TIMES HOT W/ ENGINE CONTROL MODULE (ECM) RELAY ENERGIZED I A ENGTS I A RADWTS I-A-ATS AAT IGN O S CACWPR PNK WIRE POWERTRAIN CONTROL MODULE PPL PPL IGN PWM RADIATOR OUTLET TEMPERATURE SENSOR RED WIRE SENS GND 12 VBATT VBR 1 VBR 2 WHT/BLU WIRE WHT/BRN WIRE WHT/PPL WIRE YEL WIRE YEL/GRN WIRE

AUXILIARY JUNCTION BOX BCM-GWM ASSEMBLY (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BLU/GRN WIRE CENTRAL JUNCTION BOX COMPUTER DATA LINES SYSTEM FUSIBLE LINK 1 FUSIBLE LINK 3 GND A HOT AT ALL TIMES HS CAN-H HS CAN-L IGN IGN 3 PAS A POWER STEERING CONTROL MODULE PPL/WHT WIRE RED WIRE STEERING WHEEL MODULE TORQUE SENSOR VBATT VBATT 2 WHT WIRE WHT/PPL WIRE YEL WIRE

55 56 CO CAN H AUXILIARY JUNCTION BOX BCM-GWM ASSEMBLY BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX CO CAN L COMPUTER DATA LINES SYSTEM ENGINE JUNCTION BOX FRONT WASH PUMP RELAY FRONT/REAR WINDOW WASHER PUMP FUSE 14 FUSE 44 FUSE 9 FUSIBLE LINK 1 FUSIBLE LINK 17 GRN/BLU WIRE GRY WIRE GRY/BRN WIRE GRY/PPL WIRE HOME HOT AT ALL TIMES HS CAN-H HS CAN-L I WASHER FLUID LEVEL SWITCH I WIPER FRONT SLOW SWITCH I WIPER PARK FRONT SWITCH IGN IGN 1 INSTRUMENT CLUSTER LIN 1 LIN 1 BCM LIN 2 LIN 3 O WASHER FORWARD CONTROL O WIPER FRONT FAST CONTROL O WIPER FRONT ON CONTROL PPL PPL SIG PPL/GRN WIRE PPL/ORG WIRE PPL/WHT WIRE PWR RAIN/LIGHT SENSOR REAR WASH PUMP RELAY RED WIRE SLOW-FAST WIPER RELAY STEERING WHEEL MODULE (LEFT SIDE OF STEERING COLUMN) VBATT VBATT 2 VOLTAGE QUALITY MODULE WASHER FLUID LEVEL SENSOR WHT WIRE WINDSHIELD WIPER MOTOR WIPER LIMP WIPER ON/ OFF RELAY

ABS CONTROL MODULE AUXILIARY JUNCTION BOX BCM-GWM ASSEMBLY (BEHIND RIGHT SIDE OF DASH) BEAM BEAM FLAP BLK WIRE BLU WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BO CAN TEMP HI BO CAN TEMP LO BRN/BLU WIRE BRN/GRN WIRE CENTRAL JUNCTION BOX COMPUTER DATA LINES SYSTEM DCM DIP BEAM LH DIP BEAM RH ELECTRIC PARK BRAKE SWITCH (UNDER CENTER CONSOLE) FRONT FOG LIGHT CTRL FUSE 44 FUSIBLE LINK 1 FUSIBLE LINK 10 GRN/BRN WIRE GRN/PPL WIRE GRY/BRN WIRE HDLP MTR HCM HOT AT ALL TIMES HS CAN-H HS CAN-L IGN 1 IGN 5 LEFT HEADLAMP LIN 1 LIN 2 LIN 3 GND LR FOG MAIN MAIN BEAM LH MAIN BEAM RH PPL/GRN WIRE PPL/ORG WIRE PUMP GND REAR JUNCTION BOX RED WIRE RR FOG STEERING WHEEL MODULE SW 1 SW 2 SW 3 SW 4 VALVE SPLY VBATT VBATT 2 WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE YEL/ORG WIRE YEL/PPL WIRE YEL/RED WIRE

AUTOMATIC TEMPERATURE CONTROL MODULE AUXILIARY JUNCTION BOX BCM-GWM ASSEMBLY BLK WIRE CAN HI CAN LO COMPUTER DATA LINES SYSTEM FUSIBLE LINK 1 FUSIBLE LINK 3 FUSIBLE LINK 8 GRY/PPL WIRE HOT AT ALL TIMES HS CAN-H HS CAN-L LEFT FRONT HEATED SCREEN RELAY LEFT WINDSHIELD HEATER PPL/BRN WIRE PPL/GRN WIRE PPL/ORG WIRE RIGHT FRONT HEATED SCREEN RELAY RIGHT WINDSHIELD HEATER SCREEN CTRL W/ INSTRUMENT PANEL STOWAGE W/O INSTRUMENT PANEL STOWAGE YEL/GRY WIRE

3.0L TURBO DIESEL AUXILIARY JUNCTION BOX BATTERY BATTERY MONITORING SYSTEM MODULE BLK WIRE BLU/GRN WIRE BLU/ORG WIRE CABLE JUNCTION STUD COOLING FAN MOTOR 1 COOLING FAN MOTOR 2 FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 5 FUSIBLE LINK 6 FUSIBLE LINK 7 FUSIBLE LINK 8 FUSIBLE LINK 9 FUSIBLE WIRE LINK GENERATOR LEFT GLOW PLUG CONTROL MODULE NCA WIRE POWER STEERING CONTROL MODULE RED WIRE RIGHT GLOW PLUG CONTROL MODULE STARTER MEGA FUSE STARTER MOTOR TERMINAL JUMP START THROUGH PANEL STUD TO CENTRAL JUNCTION BOX (DIAGRAM 3 OF 10) TO ENGINE JUNCTION BOX (DIAGRAM 2 OF 10) TO REAR JUNCTION BOX (DIAGRAM 7 OF 10) TO REAR JUNCTION BOX (DIAGRAM 9 OF 10) TO VOLTAGE QUALITY MODULE (DIAGRAM 6 OF 10) W/ START/STOP SYSTEM W/O START/STOP SYSTEM

55 56 CO CAN H AUXILIARY JUNCTION BOX BCM-GWM ASSEMBLY BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTRAL JUNCTION BOX CO CAN L COMPUTER DATA LINES SYSTEM FUSE 12 FUSE 13 FUSIBLE LINK 1 GRY/PPL WIRE HOT AT ALL TIMES HS CAN-H HS CAN-L INSTRUMENT CLUSTER LEFT HEADLAMP WASHER PUMP RELAY LIN 1 LIN 1 BCM LIN 3 O HDLP WASHER LEFT OR SIG CTRL O HDLP WASHER RIGHT CTRL POWER WASH PUMP PPL/GRN WIRE RED WIRE RIGHT HEADLAMP WASHER PUMP RELAY STEERING WHEEL MODULE VBATT 1 WHT WIRE WHT/BRN WIRE YEL/GRN WIRE

55 56 CO CAN H AUXILIARY JUNCTION BOX BATTERY JUNCTION BOX BCM-GWM ASSEMBLY BLK WIRE BLU/ORG WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX CO CAN L COMPUTER DATA LINES SYSTEM ENGINE JUNCTION BOX FERRITE CORE FRONT WASH PUMP RELAY FRONT/REAR WINDOW WASHER PUMP FUSE 14 FUSE 9 FUSIBLE LINK 1 FUSIBLE LINK 5 GRY WIRE GRY/PPL WIRE HOT AT ALL TIMES HS CAN-H HS CAN-L I WIPER PARK REAR SWITCH IGN IGN 1 INSTRUMENT CLUSTER LIN 1 LIN 1 BCM LIN 2 LIN 3 O REAR WIPER CONTROL O WASHER REVERSE CONTROL PPL/GRN WIRE PPL/GRY WIRE PWR RAIN/LIGHT SENSOR REAR JUNCTION BOX REAR WASH PUMP RELAY REAR WINDOW WIPER MOTOR REAR WIPER PARK SWITCH REAR WIPER RELAY RED WIRE STEERING WHEEL MODULE VBATT 2 VOLTAGE QUALITY MODULE WHT WIRE