Question about 2001 Chevrolet Cavalier
My Battery is brand new and is fine, my connections are not corroded, and I checked my alternator by jump starting it and disconnecting the negative terminal on the battery and the car kept running. I can jump my car and leave it running for about an hour and then when I go to start it the next day it will start, but if I miss starting it just one day it will not start the next day. When it won't start my battery is dead because none of my lights will work or anything else. I don't know whats wrong.
First, DON"T check your alternator that way anymore. It's not good to do on newer systems! The best, quickest check I can tell you is to put a volt meter across the battery. Running with accessories off you should see voltage of about 13.5 to 14.5.
With all accessories and headlamps on high turned on, it should not drop below 12.5. (and that is the absolute low end!).
It sounds like something in the car is staying on. check the glovebox light and interior light delay and make sure they are OK. Otherwise, you will have to start checking entire system for a draw that's taking out the battery overnight. To check, you can pull one fuse at a time and see if draw goes away, then check system that fuse serves.
Posted on Jan 07, 2009
I had this same exact problem with a Chevy Celebrity. Come to find out the in dash car lighter was not popping all the way out when I would use it, so it would slowly drain the battery all night
Posted on Jun 07, 2013
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Posted on Jan 02, 2017
SOURCE: 2001 Mazda MPV, have replaced
Removing either battery cable, thereby taking the battery out of the circuit, with the engine running can cause the alternator to charge full tilt and destroy sensitive micro volt (computer controlled) components; and I've seen wiring harnesses go up in flame from it. You may have a module problem.
Posted on Jun 18, 2011
I had the same problem with a Tercel, it was the distributor cap had a non-visible hairline crack in it and allowed moisture in.... does it do this only when it rains or high humidity?
Posted on Aug 17, 2009
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