How much current should a car radio draw while it is turned off (possibly to retain the settings and stop the code being lost)?
GPG
Car Radio current while OFF?
Nov 09, 2008
4 Replies
It happens that GPG formulated :
It obviously depends on the radio, but of the order of 1mA.
5mA max.
Anything from a few mA to a few hundred, depending on type.
Running a tracker on one car ruined its battery if not useed in the winter..
Well, I took mine out, several months ago, because I got the impression that it was discharging the battery - car only did a few hundred miles per year, plus, as I now realise, the battery was on its last legs anyway. When it stops raining and I rediscover the code, perhaps I'll try re-installing it. By the way, the car is nearly 20 years old, and so is the radio; but I've got a new battery. I cannot recall what the current draw was - some was, no doubt, drawn by the clock, anyway.
GPG
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