Ford Expedition II (2002-2006) Horn circuit

AIR BAG SLIDING CONTACT BLK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND RIGHT KICK PANEL) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/ORG WIRE FUSE 26 HIGH PITCH HORN (AT RIGHT LOW PITCH FRONT OF ENGINE COMPT) HORN RELAY HORN SWITCH HOT AT ALL TIMES LOW TIRE PRESSURE MODULE (AT LEFT "C" PILLAR) NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (ON RIGHT SIDE OF FIREWALL) VEHICLE SECURITY MODULE (VSM) (UNDER RIGHT SIDE OF DASH) YEL/LT GRN WIRE