Cigarette Lighter and USB Adapters
Huw Powell
audi at humanspeakers.com
Mon Dec 19 12:34:41 PST 2011
On 12/18/2011 7:57 PM, Marc Boucher wrote:
> I ended up getting a neat little car USB adapter that was highly rated
> on Amazon. Manufacturer designs it to essentially be almost flush so
> that it becomes a permanent part of the car, given that cigarette
> lighters aren't much used anymore.
>
> Took some measurements of the USB adapter to see how much current it
> draws with nothing attached to it. It draws 26mA. Not a whopping amount,
> but its also not zero. And the cigarette lighter on the Audi in question
> does in fact stay on all the time....
>
> Finally, it was the rear-window child lockout that was stopping the rear
> lighter from working. I'd forgotten about that.
So... plug the USB into the rear lighter and use the child safety switch
to turn it on and off?
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