Answer
It could be many things. Grounds, power lines, computer (in newer cars), battery, alternator. Repost with some specifics. Good luck. Answer I need some more info. Typically Bad Ground, or Water intrusion on BCM (Body Control Module) If the CAR is a GM it is more than likely an interior BCM. That is not even the end of it, i could keep going on and on.
most definitely
brownout
No likely but possible if coolant is leaking out onto some electrical component.
Do statins cause problems with the hearts natural electrical rhythim if one has enough CoEnzymeQ10?
Refrigerators are used to keep food chilled. Like any electrical appliance, they cause environmental problems due to the energy they use.
Mice
1. Low on freon.. 2. Electrical problems.. 3. Computer problems.. 4. Sensor or relay problems..
Hard to say. It may cause no damage at all and then again it might cause serious problems.
dead battery, or a bad ignition control module inside the distribureator.
It could be any of a number of problems, including but not limited to electrical problems with the start and the final run of the car.
A hub has a single collision domain, which is why it can cause problems when network traffic is high.
For a good start, see "Related Questions" below for an exhaustive review of diagnostics for hunting down problems that cause the battery to drain down.