"Thanks for jumping in and helping Tony2005"
You're most welcome. I always enjoy reading your posts. Very technical and to the point.
"I think Fuse F-26 is for the relay that supplies +12vdc to all the headlamps?"
Fuse 26 for headlamps, yes....
and you've already posted Relays 9 and 10 for the low and high beams.
Edit. Fuse List (Fuse Panel)
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=trouble&Number=887004&Forum=trouble&Words=brake%20lights%20fuse&Match=And&Searchpage=0&Limit=25&Old=6months&Main=886893&Search=true#Post887004