Hi,
I encountered this problem 2 years ago when I installed the LEDs on my V11.
For the fuel indicator, the use of resistor does not solve the problem, the LED stays on continuously, so I solved this using a universal relay (no resistor):
Text is in French but the drawing is understandable: http://www.forumtwinzone.fr/forum/faqs.php?msg=46462&return=1#top