Electrical Battery Drain

[Cebu]

Battery is dead after vehicle sits for 3-days. Actions:1. New battery installed 2.heated windshield nozzles disconnected
3.rear window defroster disconnected 4.Stereo is turned off. Alternator and charging system checked ok.

[diannone]

how about the alarm or the clock or a mystery lite bulb left on? brake lites sometimes?

[porscheboi928s/c944t/n]

voltage drop test..remove fuse one by one...hope this solves ur problem..

[kaffine krazed]

Do you have acces to an amp meter? If so disconnect one of the battery cables and put it between it and the battery then pull the fuses to find wich circuit has the problem. The computer and radio will draw around 25mA.

Another option don't let the car sit for 3 days

If you can't find the problem you could get a battery saver that isolates the battery if it's voltage drops to low.

[Lawrence Coppari]

My battery goes dead after in a few days if I leave it connected.

I have a disconnect on the battery. I disconnect it when the car sits for several days. The drain on the battery from the original factory clock and aftermarket stereo seems enough to kill my weak battery.

I use this to prevent theft as well.

[This message has been edited by Lawrence Coppari (edited 11-27-2000).]

[Porsche 951 Fanatic]

I had a funny thing with um.... ::thinks:: my fan relay... damn that thing is expensive.... and then sometimes my windows would still go up and down when i turned off the car.... so like i would have to run it a few tiems around the block untill the windows wouldnt go down when the ignition was off or it would drain the battery..... but after i fixed those probalems i never had a dead battery.....