Chevrolet SSR I (2003-2006) Horn circuit

"F" NOTE HORN "A" NOTE HORN BLK WIRE DK GRN WIRE HORN ASSEMBLY HORN FUSE 21 HORN RELAY 39 HORN SWITCH HOT AT ALL TIMES TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE