Simple enough (hopefully)

I need a 12v switched supply to feed an XDA charger (v.low amps), and a PS2 Slimline (not sure of the Amps).

I had the TV out of the dash yesterday (to fit an aux lead), and there's heaps of room behind there so I would like to stick a dual female cigarette lighter plug behind there and just need to find somewhere so feed it 12V from.

Can anyone suggest a +/- point behind there, possibly from the NAV/TV loom (which has a 30a fuse in the rear AFAIK).

TIA

Kev.