Pontiac Vibe I (2002-2004) Horn circuit

BLK WIRE BLK/WHT WIRE GRN/YEL WIRE HORN HORN RELAY HORN SWITCH (AT STEERING COLUMN) HOT AT ALL TIMES HORN FUSE JUNCTION BLOCK (LEFT SIDE OF DASH) MULTIFUNCTION ALARM MODULE (BEHIND LEFT SIDE OF DASH) THEFT DETERRENT MODULE (BEHIND RIGHT SIDE OF DASH) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) W/KEYLESS ENTRY W/O KEYLESS ENTRY