Not sure what
@stevedrummrrboy ended up doing, maybe he'll show up here again, maybe not... With my 207SW I did find a solution eventually as I couldn't make heads or tails of what the ECU was doing with the fuses. I had a custom low voltage disconnect circuit made up and wired that to a fuse tap, plugged that into the 12v socket fuse (which I now think does go on/off with the ignition but oh well). Here's where I got my custom circuit, although you will need to email Neil if you want a custom version and there is a small extra charge on top of the standard price:
http://www.reuk.co.uk/wordpress/reu...-12v-programmable-low-voltage-disconnect-lvd/
Email:
neil@reuk.co.uk
Standard setup from the website:
Low voltage disconnect 12.5v - 10.5v
Cancellation voltage (in other words, the voltage that the power will turn back on) 12.0v - 14.0v
My custom made version:
Low voltage disconnect 13.1v - 11.0v
Cancellation voltage 12.0v - 14.5v (or possibly higher, I've not tested)
The idea behind my settings were that I could have it set to switch off very shortly after engine switch off, or, have it stay on and cut off at 12.6v if I ever wanted parking mode. In the end I decided against parking mode with my current camera but it does free up my 12v socket in the dash. Due to some broken clips on the centre console trim my 12v socket moves quite a bit and isn't really a reliable power source for a dashcam.
With the 207 (the following may be different for left hand drive models), if you want a decent earth point for a fuse tap, there is a suitable bolt hidden behind the front of the glovebox. Take the whole glovebox out and you'll see it, it's not hard but there are quite a lot of screws, bolts and trim clips to remove. There is a proper earth point somewhere too but I never found it, might be nearer to the floor if you remove panels in that area instead but you'll need a little bit more wire than the glovebox bolt.