HEy have a 87 mustang,well i have replaced the ignition swith solenoid the lil black thing in the fender,i am not sure the name of it,well this year so far i replaced that part 3 times,the starter is a year old,evrytime when i go start the car, the starter stays on,so i disconect the battery and give the solenoid a few taps,then i start it again and the starter wont stick,now sometimes it will do this, but lately its been doing it evryday now.i replaced the battery cable goin to the solenoid cause it was old and coroded,it did not do it for a day and today it did it 3 times in a row,could the solenoid gone bad again,or has anyone experienced this before?????or any ideas what may cause the starter to keep goin after u let go of the key,now i have not replaced the power wire goin to the starter or the negative cable from the battery,but before i do i tought i ask u guys, see if ya have any ideas.....of what is causing this.....thanks in advance