[lx5091]

Here are a few sites, very simple to do and to save huge $$ like avbcon12 says, go to Autozone ($130)!!

www.mustangcentral.net/tech/alternator.html

www.50tech.com/index.php?action=3G

www.racesystems.com/3gproj/index.htm

there are many more...
pick the one that makes the most sense...