The power windows, heater control,and the turn signals all have power with the key out of the car or in the off position. I have changed the ignition switch and there was no change.Any suggestions or ideas would be greatly appreciated. Mike
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2000 Dodge Intrepid Question: Battery drains over night.It happened before but seemed to fix itself.
Answer #1patrick mannion from Greg Solow's Engine Room, July 03, 2011, 16:25Master
You may have some sort of battery draw that needs to be isolated and eliminated. You would need an amp meter disconnect one cable of the battery put your Amp meter in series with the battery cable that has been removed. Note the draw say for example 15 Amps, with the keys out of the ignition, doors closed driver's window down, start removing the fuse links and fuses one at a time until the voltage draw goes away to zero (or near zero about .02 to .05 Amps is about normal for a modern vehicle with a clock, stereo and other things that need "keep alive memory"). It is that circuit that is causing the electrical draw, then look at a wiring diagram, see what electrical consumers are on that circuit and start to isolate each circuit to see which is the culprit. Modern cars have lots of computers and electronics that need constant battery even with the key off so parasitic draw of .2 Amps may be normal sometimes things stay "live for a minute or two after the door is closed so wait and look at the draw after a minute or two.
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