Parts list: № Number Qty Name Options 1 AA54960 1 Wiring Harness HITCH CAN EXTENSION, SEEDSTAR 30' 1 AA54961 1 Wiring Harness HITCH CAN EXTENSION, SEEDSTAR 40' 2 [] 1 3 [] 1 4 [] 1 Next page: ST433569 Row Unit Wiring Harness - 1720 12R (730101 - ) ST433503 SEED MONITOR ADAPTER HARNESS - 32R (1790) ST433491 SeedStar™ Wiring Harness and Sensors, 455, 1520/1530, 1560 and 1590 Grain Drills ST433616 Clutch Adapter, Harness (1770NT 12/16/24R And 1790) (740101 - ) ST758924 Attachment, Wiring Harness, 12 Row ST433510 SEED MONITOR ADAPTER HARNESS - 24R30 (1770NT) ST433528 CLUTCH EXTENSION HARNESS (1760, 1770, 1770NT AND 1790) ST433621 Convenience Extension Harness (4WD) (1790) (740101 - ) ST433550 EU Planter Wiring Harness-1770 12R AND 1760-6R,8R,12R (735101 - ) ST433483 SeedStar™ Monitor Wiring Harness - 1780 12/23 AND 16R22 Planters