Need diagram for serpentine belt 2006 lincoln

This link may help a little:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-46563-5.html#post578394

Sorry, I don't have a routing diagram.

There should be a sticker with the diagram printed on it underneath the hood; look on the underside of the hood or in front of the radiator. It's going to look like a bunch of circles with a line winding around all of them.