Parts list: № Number Qty Name Options 1 PFA10715 1 Steering Control Unit Next page: ST842121 AutoTrac™ Universal Steering Supplemental Kit - U ST886759 Attachment, AutoTrac™ Universal Steering Supplemental Kit - C ST924056 Wring Harness for ATU 300 to ATU 200 Adapter ST943617 Attachment, GreenStar™ RS232 Adapter Harness ST943618 GreenStar™ RS232 Adapter Harness ST830016 Attachment, Steering Shaft Cover, AutoTrac™ Universal 200 ST830012 Steering System Assembly, AutoTrac™ Universal 200 ST790431 Horn Kit, Steering Column, AutoTrac™ Universal 200 ST741317 Attachment, AutoTrac™ Universal Steering Supplemental Kit - U ST73011 Auxiliary Resume Switch, Steering Column, AutoTrac™ Universal 200