Question about 1996 Mercury Sable
After sitting for a while (2-3hrs) my car battery will act like it is low. While cranking, the lights go out and the clock resets, but as I hold the key on start, it starts cranking facter and faster and starts. With a multimeter on the battery and key off the meter reads ~12.45V, with the key on, lights on and blower on full speed the voltage goes down to ~8.5 volts, but slowly climbs up to 10V. Is this a sign of a dead cell?
This really sounds like bad battery terminals but I have a feeling you are going to say they're fine, if so, check the other ends, tight connection to grounds, etc. If all good, lose the battery for a new one.
Posted on Mar 12, 2009
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Posted on Jan 02, 2017
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