Parts list: № Number Qty Name Options 1 AL171944 1 Wiring Harness W45/1, SSU-CAB / TUP27 2 L167244 3 Clip 3 L114543 1 Clamp 4 AL171945 1 Wiring Harness W46/1, Steering Input Device (SID) / TUP27 Next page: ST73143 AutoTrac™ Tractor Kit, Steering System Unit (SSU), 6230, 6330, 6430, 6530, 6630 ST73151 AutoTrac™ Tractor Kit, Steering Angle Sensor Harness and Guard, 7130, 7230, 7330, 7430, 7530 ST73154 AutoTrac™ Tractor Kit, Shuttle Valve, 6320, 6420 ST73156 AutoTrac™ Tractor Kit, Sequence Switch, 6320, 6420 ST73158 AutoTrac™ Tractor Kit, Wheel Angle Sensor Shield and Spacers, 7220, 7320, 7420, 7520 ST73140 AutoTrac™ Tractor Kit, TEC Control Unit Harness, 6230, 6330, 6430, 6530, 6630 ST73130 AutoTrac™ Tractor Kit, Steering Control Valve to Tractor Brake W/ Trailer Brake and Suspended Front Axle, 6320, 6420 ST73128 AutoTrac™ Tractor Kit, Brake System W/ Hydraulic Trailer Brake, 6320, 6420 ST73126 AutoTrac™ Tractor Kit, Steering System Unit (SSU) Harness, 6420 - 6920, 7220 - 7520 Premium and Premium Plus ST73119 AutoTrac™ Tractor Kit, Sequence Switch, 6320, 6420