speedometer does not work on 1992 Ford F-150

a month ago my truck's curise controll stopped working now the speedometer does not working. Replace the speed sensor however, this did not repair the speedometer.

2 answers
can not fine were on how to replace speed sensor i have a 1993 ford f-150 v -8
speedometer cable is replaceable about $25 http://bit.ly/ednDY and if that dose not repair the problem its the speedometer head.