where is the best place to take a 12volt supply from my Iveco 49/12 Turbo D?

where is the best place to take a 12volt supply from under the dashboard of my Iveco Turbo Daily 49/12 - 1997 - for power to my LED lights that I am running along the roof of the 'living area'
Clive Webster, May 2016


link Click here to see other fixes for Iveco.