I have a letter from JD that partly reads. Safety notice to ownersof John Deere 9450,9550, 9650, 9650cts, 9650 stsand 9760sts combines [program 00HX184]. Dear John Deere customer, We have discovered apotential saftey problem may exist with certain John Deere 50 series combines.The supplier may have improperly manufactured a ribbon cable used in arm rest control.This can lead to a short circuit between electrical conductors associated with the reel raise and lower_reel for and aft switch, the draper belt speed switch, the reel speed switch,and, on the STS combine,the straw spreader switch.Please contact your John Deere dealer immediately to make arrangements for inspection and repair of the armrest console.The feeder house lowers. The reel moves foward.The unloading auger engages.The unloading auger swings out.Contour master feeder house tilts to the right.The feeder house raises.The sidehill leveling function engages.The powered rear axle engages. This modification will be completed at no cost to you.Sincerely aftermarket department John Deere limited.This letter was received 21-9-00.Iwish you luck. I have had the armrest control board and wirering harness replaced. auger still comes out without switch activation, front starts to lift when reel is raised,front tries to lift when auger is put away.