Parts list: № Number Qty Name Options 1 RE231717 1 Electronic Control Unit 2 19M7529 2 Cap Screw M6 X 55 3 H169634 2 Nut M6 .. BH84438 1 Complete Goods/Ship. Bundle (AUTOTRAC) Next page: ST198031 4-Wheel Drive Axle Jumper, Wiring Harness ST197447 AUTO FEEDRATE HYDRO SENSOR WIRING HARNESS ST197448 VCM Controller Assembly ST198030 Wiring Harness, 2WD ST197450 VCM Controller Assembly ST198667 Autotrac Wiring Harness ( - 735100) ST197454 AutoTrac™ Steering System Controller ST198672 Sid Jumper Wiring Harness - Retrofit ( - 740100) ST197445 VEHICLE CONTROL FEEDRATE WIRING HARNESS ST805742 Attachment, Harvest Smart™ Feed Rate Control System