Chrysler Repair: 02 Sebring battery drains/discharges, fuse box, volt ohmmeter


Question
Can't track down what is draining the battery on a daily basis. Brand new battery. Have done all the usual checks. It isn't the alternator or fuses.  The new battery will hold a charge for one day, then dead.

Answer
Hi Robert,
You will want to have an volt-ohmmeter to measure as you pull each of the fuses that are connected directly to the battery to see which one is drawing current that drains it. If you go to the fuse box under the hood and check each of the following fuses you will find that they are all "hot". If you remove the fuse you will find that one of the contacts shows voltage and the other is "cold", with one lead of your meter attached to the - clamp on the battery. As you remove each fuse, measure the resistance between it and ground (the - post of the battery) from the cold side fuse contact, in ohms. Any fuse socket with say a resistance of 20 ohms or less is a suspect for being the cause of the drain. Let me know which fuse # show that, and we can then go further and find out what items draw on that fuse and correct the problem.
Suspected Fuses: Check the resistance to ground of all the cold sides in fuse positions # 2 thru 22 with the fuse removed, after determining which side is 'cold'. I know this is a reasonable effort, but I think you will see a pattern as to which side is 'cold' so all you will need to do is remove each fuse and take the resistance reading. Most all will read infinite ohms so we are looking for the ones that are near to 0 ohms.
Roland
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