My friend has a 1991 Ford F-150 it wont start. When he turns the key it just clicks just one time. he has bought a new starter, starter solenoid, battery and altenator. if you could help him i would greatly appreciate it yall have always helped me with my ranger!!

 

Gotta be the battery cables.

They tend to corrode under the insulation where you can't see it.

 

thanks for the info i'll tell him to try it