Parts list: № Number Qty Name Options 1 AT396676 1 Plate 2 28H3377 1 Bushing 0.423" X 0.675" X 1-3/4" 3 AT226281 1 Horn 4 19M7801 1 Screw M8 X 60 5 19M7785 1 Screw M10 X 25 Next page: ST132455 Backup Alarm ST132444 Horn Installation (Standard Grille) PICT-2004.1 2004 Warning Devices Including Horn & Reverse Alarm