Question about Mitsubishi Eclipse
Often alarms have a second battery. They you this to sound the alarm in case someone disconnects the main battery.
If the main battery voltage drops very low then the alarm may go off because it thinks the main battery has been disconnected.
If you had to jump the car and you did not leave the lights of or something then your battery may be worn out. You could try replacing this first.
It could also be a problem with your alternator. If you get a cheap multi meter you can easily test it. Set it to measure DC volts. With the car running measure the voltage at the battery. Give it a rev and you should see the volts go up to between 13 and 14 volts. If it does not change then you have a problem with your alternator. It could be other things but you probably need to see an auto electrician if you don't know about this kind of thing.
Hope this helps.
Posted on Sep 25, 2009
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Posted on Jan 02, 2017
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