Parasitic Battery Drain Measured on 1990 Audi 100
Huw Powell
audi at humanspeakers.com
Wed Jul 22 12:36:45 PDT 2015
Actually, my '88 90 has two timers. One keeps the interior lights on
for a bit (or until ignition turns on), and the other allows roof/window
operation after shut down, for a minute or two or until a door is
opened. Tres chic, n'est-ce pas?
USB is easy, I added a 2-port charger to my 90 very nicely, I just want
to add a switch and diode like I did for the radio so it can be used
when the ignition is off.
And many new aftermarket stereos (like the Sony I have been looking at)
provide BT connectivity to a smart phone or tablet, allowing
Pandora-type streaming, and the all-important hands-free phone operation.
- Huw
Grant said:
> Yea, even my 11-16 year olds are becoming “old”. Bluetooth? USB? Stability Control?
and
On 7/22/2015 2:44 PM, Cody Forbes wrote:
> They also have levels of shut down. Most shut down to one extent when you turn off the ignition, to another degree after some waiting period and or locking the doors, and a third extent after 24+ hours of inactivity.
>
> BMW goes so far as to selectively shut down individual components based on actual battery voltage and in theory will never let a draw bring the battery to a point that it doesn't have a shot at cranking the engine. It will then subsequently disable radio/air/etc until the battery has sufficiently recharge during driving.
>
> -Cody Forbes (mobile)
>
>> On Jul 22, 2015, at 2:27 PM, Grant Lenahan <glenahan at vfemail.net> wrote:
>>
>> Actually, on modern cars, they do. The systems shut down after about 15 minutes. On newer Porsches - i can’t speak for audis - when you lock it it goes to sleep.
>>
>> Grant
>>> On Jul 22, 2015, at 2:19 PM, Huw Powell <audi at humanspeakers.com> wrote:
>>>
>>> No car designer takes regular two week down times into account.
>>
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