In AUS with E53.
I got iPhone to play music through speakers using AUX input.
Now I want iPhone to charge from cig socket without turning on IGN.
(At the least, it should work on ACC like the rest of the world.)
So, I need wiring diagram of Cigarette circuit (fuses, wiring etc).
I'm an elec engineer so should be able to sort iot out from there.
TIA