Quote:
Originally Posted by dfeldt91
The battery will die over the course of a few days if the engine is not ran. The previous owner had the interior amenities fuse wired to be live when the ignition is turned to ON to avoid the drain. Possibly related to unlit bulb issue, possible short circuit. Also, possibly related to the aftermarket Android head unit installation. I would like the trip computer to not reset, interior lights to turn on when the door is opened, etc, so the previous owners' wiring fix will be removed and the parasitic drain fixed completely.
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Take a voltimeter/ammeter and put it between the ground and battery and see how many mA it's drawing with the key off.
It's possible your battery itself just has an internal short, or if not, you can pull fuses one at a time with the ammeter in line and see when the drain goes away.
25-45 mA is normal for a modern car.
Sam