Need help where can i find a sight like this one but for ford cars all i have is fords need some info on a 2006 focus put a new bat-and a allternator works fine for a week then the bat light comes on my girl uses this for school and work what else could it be this is autozone stuff could the alternator go bad again ? or could it be somthing else sorry for putting this on the truck form not to good with computers

 

Moved to new forum.