Rear differential lock circuit for GMC Canyon II facelift (2020-2022)

2.8L TURBO DIESEL 3.6L AUXILIARY CHASSIS CONTROL MODULE (ABOVE SPARE TIRE) AXLE DIFF LOCK MODE AXLE DIFF LOCK SW SIG BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL LOCK SWITCH DISPLAY DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL DATA 2 GRY/BLK WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI- FUNCTION SWITCH LOGIC REAR DIFFERENTIAL LOCK ACTUATOR REAR DIFFERENTIAL LOCK ACTUATOR HIGH CONTROL RELAY REAR DIFFERENTIAL LOCK ACTUATOR LOW CONTROL RELAY RR AXLE DIFF LOCK CTRL RR AXLE DIFF LOCK IND CTRL RR AXLE DIFF LOCK LOW REF RUN/CRANK IGN 1 VOLTAGE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE WHT WIRE YEL WIRE YEL/GRN WIRE