96 civic coupe on 1996 Honda Civic

my civic starts fine , i'll let it run for an hour but once i turn the lights on the car will die out. would that just be a bad battery?

by in Sanbornville, NH on September 06, 2011
1 answer 1 comment
ANSWER by on September 06, 2011
It could be so many things it's hard to say without actually being able to do some basic tests. Make sure the battery and alternator cables are all clean tight and secure. If you have a volt meter put a voltmeter across the battery at rest if it is fully charged it should be 12.6 volts if not the battery needs to be charged and tested. With the engine running the voltage across the terminals of the battery should read approx. 14.6 volts if the alternator is charging correctly. Does the battery light come on when you turn on the ignition key, go out when the engine is running and remain out when the headlights are turned on?
COMMENT by on September 07, 2011
if im going over 3o mph it stays on but if im at a complete stop it wonts to die, the battery light doesnt come on. i believe its the battery because if it just starts and i turn the lights on it will die but if i go for a ride down the highway its fine, im not a mechanic though. whats your thought. thanks alot i appreciate it
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