Transfer case circuit, electronic for GMC Sierra 2500 (2000-2004)

2-HI IND 4-HI IND 4-LO IND 4.3L 4.8L, 5.3L, 6.0L ATC FUSE AUTO AUXILIARY BATTERY RELAY AWD IND B+ MOTOR (CCW) MOTOR (CW) GND BLK WIRE BLK/WHT WIRE BODY WIRING HARNESS JUNCTION BLOCK BRAKE CONTROL BRN WIRE BRN/WHT WIRE CONTROL MODULE CTRL DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENCODER MOTOR ENCODER RTN ENGINE WIRING HARNESS JUNCTION BLOCK FRONT AXLE ACTUATOR/ SWITCH FRONT PROP- SHAFT SPEED SENSOR FT SHAFT SIG FT SHAFT RTN FUSE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, START ILLUMINATION LAMP (2) INDICATOR LAMP INSTRUMENT CLUSTER LOCK SOL OUT LOGIC LT BLU WIRE LT GRN/BLK WIRE MODULE GND 4-LO IND 4-HI IND NEUTRAL IND FT AXLE CTRL RR SHAFT SIG RR SHAFT RTN NCA WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE REAR PROP- SHAFT SPEED SENSOR ENCODER LOGIC RED WIRE RED/WHT WIRE REF RUN WIRE SHIFT MOTOR SOLID STATE SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSFER CASE SELECT SWITCH YEL WIRE YEL/BLK WIRE