Horn circuit for Ford Explorer III (2001-2006)

AIR BAG SLIDING CONTACT (AT TOP OF STEERING COLUMN) AIR CONDITIONING SYSTEM BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE DK BLU WIRE DK GRN/ORG WIRE HORN RELAY LEFT HORN (AT LEFT FRONT OF ENGINE COMPT) LOW TIRE PRESSURE MODULE (AT RIGHT "C" PILLAR) LT BLU WIRE NCA WIRE ORG/RED WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED/BLK WIRE RIGHT HORN (AT RIGHT FRONT OF ENGINE COMPT) SPEED CONTROL SWITCH HORN SWITCH VEHICLE SECURITY MODULE (VSM) (ABOVE RIGHT REAR WHEELWELL) YEL WIRE YEL/LT BLU WIRE YEL/LT GRN WIRE