4wd circuit, electronic for Ford Pickup F250 Super Duty (1999-1999)

"HIGH RANGE" INDICATOR 360 OHMS OHMS 4 WHEEL DRIVE MODE SWITCH ANTI-LOCK BRAKE MODULE ANTI-LOCK BRAKES BATTERY JUNCTION BOX (LEFT SIDE OF ENGINE COMPT) BLK WIRE BPP SW INPUT TCEC RLY CTRL BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) FUSE 6 DIGITAL TRANSMISSION RANGE (DTR) SENSOR (LEFT SIDE OF TRANSMISSION) DISCONNECT SOLENOID DK BLU WIRE DK GRN WIRE DK GRN/LT GRN WIRE FLASHER RELAY FUSE 104 FUSE 15 FUSE 23 GENERIC ELECTRONIC MODULE (GEM) (BEHIND LEFT SIDE OF DASH) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ILLUMINATION INSTRUMENT CLUSTER INTERIOR LIGHTS (INSTRUMENT ILLUMINATION) LT BLU WIRE LT BLU/BLK WIRE LT BLU/RED WIRE LT GRN WIRE MAGNETIC CLUTCH NOT USED OHMS ORG/ WIRE ORG/LT BLU WIRE ORG/WHT WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) RED WIRE RED/LT GRN WIRE RED/WHT WIRE RUN WIRE SHIFT LOCK ACTUATOR, REAR AIR SUSPENSION MODULE SHIFT MOTOR SIG RETURN SW D INPUT SW C INPUT SW B INPUT SW A INPUT NEUTRAL SW IN TRAILER TOW BATTERY RELAY TRANSFER CASE ASSEMBLY (BELOW VEHICLE, BEHIND TRANSMISSION) TRANSFER CASE ELECTRIC CLUTCH RELAY (IN RPO RELAY BLOCK) TRANSFER CASE SHIFT RELAY MODULE (BEHIND CENTER OF DASH) VIO WIRE VIO/YEL WIRE WHT WIRE WHT/LT BLU WIRE WHT/YEL WIRE WIPER/WASHER (MULTI-FUNCTION SWITCH) (MAIN HARN, NEAR BREAKOUT TO GEM) YEL WIRE YEL/WHT WIRE