Thanks guys for the advice!
Was hoping it would be a simple solution - e.g. there was a permanent power source for something at the rear of the van, but that would've ben too easy
Haven't ordered anything yet... just thinking it through... thanks for the tip regarding wireless hillbilly.
Transporter - I like your idea... not sure exactly what I'm looking for there though - do you have a link to what you are looking at?
Thanks!
Bookmarks