I have a 2001 f150 4x4 and wanted to do the fog light mod but cant find a good how to thread about it. Could someone put a link up?

 

is this the one??? https://www.f150online.com/tech/lightningfog1.html

 

Here is the write up with pictures :

http://www.geocities.com/tedoca/headlight.html

Here is what the modified fog lamp wiring diagram would be :


If you use the search term fog* mod* limited to the electrical forum, there are 103 threads on the topic.

If you use the search term foglight mod* this hits the limit of 500 threads on the search

hope this helps, good luck