Saturn Astra I (2008-2009) Horn circuit

BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL MODULE LO SPD SERIAL DATA FUSE GRN WIRE HORN HORN SWITCH HOT AT ALL TIMES LO SPD SERIAL DATA LOGIC NCA WIRE RIGHT STEERING WHEEL CONTROL SWITCH STEERING COLUMN) UNDERHOOD FUSE BLOCK YEL WIRE