Differential lock circuit for Subaru WRX STI VA facelift (2016-2021)

2.5L TURBO 2.0L TURBO AUTO MANUAL AWD IND BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER DIFFERENTIAL COMBINATION METER COMPUTER DATA LINES SYSTEM DCCD CONTROL MODULE (LOWER CENTER OF DASH) DCCD RELAY DRIVER CIRCUIT FUSE 12 FUSE 2 FUSE 7 FUSE, RELAY BOX (F/B) GB-12 GB-5 (LEFT END OF DASH) GB-7 GRN WIRE GRN/ORG WIRE HOT AT ALL TIMES HOT IN ON OR START LT BLU WIRE MAIN FUSE BOX (M/B) MICROCOMPUTER MULTI SELECT SWITCH (DCCD) NCA WIRE ORG/ WIRE POWER SUPPLY CIRCUIT REAR DIFFERENTIAL OIL TEMPERATURE SENSOR REAR DIFFERENTIAL OIL TEMPERATURE WARNING IND RED WIRE RED/WHT WIRE TAN WIRE TFT TRANSCEIVER, RECEIVER VIO WIRE WHT WIRE YEL WIRE YEL/RED WIRE