Yes, I'd just hook them into the side-light circuit... being LED they won't draw a lot of current...

In fact it would be very easy just to take a feed from the wires going into the back of the side-lights behind the dash panel - someone will come along and say "don't use scotch-bloc connectors" any minute now... but that is an option x

Jx

__________________
"Where we're going, we don't need roads..."

JennyDakar.com