sounds more like the spring in the shifter you should be abel to get a spring kit at youre loacal speed shop , the one in my 87mc ss drag car did the same thing and it was a spring ,if it was a cabel it wouldent go int any gear and you would know if it was broken when you have to lay on the groung to put it into park!!!!! but when you do this ,if it hapens ,make shure to do it with 2 people ,so you dont get run over!!!!
ASE cert auto tech!!TEAM ASE RACING!! There is a fine line between crazy and stupid !!! what side of the line are you on???