Parts list: № Number Qty Name Options 1 R39554 1 Switch 28 V, Horn 2 T55501 1 Cap Horn Switch Next page: ST884667 AutoTrac™, W/ Digital Display ST885476 Battery Plate, W/O Front PTO ST887865 Alternator (120 A) ST953180 Engine Controller ST883559 Battery Plate ST862551 Autotrac™ Switch ST862546 Battery Cables ST862488 Plug, Electronic Speed Control ST862463 Vehicle Controller ST862443 Plugs, Electrical Connectors, W/O Hitch