ORIGINAL: dar123

hey guys
this time y steering servo completely locks one way the only way to get to move the other way is by useing the servo reverse switch on the radio and even then it just locks the oppisite way.the real odd thing is that when i put the steering plug where the throttle one should go it works fine!and the even weirder thing is that i have tried this on 3 different working recivers and still no change!
any help will be greatly appreciated!!